backported some ext/intl tests from 5.6 into 5.4

38 files changed, 3652 insertions, 19 deletions

diff --git a/ext/intl/tests/badargs.phpt b/ext/intl/tests/badargs.phpt
index 264af73acc..b2120977f3 100644
--- a/ext/intl/tests/badargs.phpt
+++ b/ext/intl/tests/badargs.phpt
@@ -13,7 +13,10 @@ foreach($funcs as $func) {
         if($rfunc->getNumberOfRequiredParameters() == 0) {
                 continue;
         }
-        $res = $func($arg);
+		
+		try {
+			$res = $func($arg);
+		} catch (Exception $e) { continue; }
         if($res != false) {
                 echo "$func: ";
                 var_dump($res);
diff --git a/ext/intl/tests/bug50590.phpt b/ext/intl/tests/bug50590.phpt
index c39c333b23..4784d37877 100644
--- a/ext/intl/tests/bug50590.phpt
+++ b/ext/intl/tests/bug50590.phpt
@@ -1,5 +1,7 @@
 --TEST--
 Bug #50590 (IntlDateFormatter::parse result is limited to the integer range)
+--INI--
+date.timezone=Atlantic/Azores
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
 --FILE--
diff --git a/ext/intl/tests/bug62070.phpt b/ext/intl/tests/bug62070.phpt
index 3ab0078d70..645c32d9aa 100644
--- a/ext/intl/tests/bug62070.phpt
+++ b/ext/intl/tests/bug62070.phpt
@@ -1,11 +1,9 @@
 --TEST--
 Bug #62070: Collator::getSortKey() returns garbage
 --SKIPIF--
-<?php
-if (!extension_loaded('intl'))
-	die('skip intl extension not enabled');
-if (version_compare(INTL_ICU_VERSION, '49') < 0)
-	die('skip ICU >= 49 only');
+<?php if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '49') < 0) die('skip for ICU >= 49'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '53.1') >=  0) die('skip for ICU < 53.1'); ?>
 --FILE--
 <?php
 $s1 = 'Hello';
diff --git a/ext/intl/tests/bug62070_2.phpt b/ext/intl/tests/bug62070_2.phpt
new file mode 100644
index 0000000000..63f510793b
--- /dev/null
+++ b/ext/intl/tests/bug62070_2.phpt
@@ -0,0 +1,15 @@
+--TEST--
+Bug #62070: Collator::getSortKey() returns garbage
+--SKIPIF--
+<?php if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '53.1') < 0) die('skip for ICU >= 53.1'); ?>
+--FILE--
+<?php
+$s1 = 'Hello';
+
+$coll = collator_create('en_US');
+$res = collator_get_sort_key($coll, $s1);
+
+echo urlencode($res);
+--EXPECT--
+71%3F%3FE%01%09%01%DC%08
diff --git a/ext/intl/tests/collator_asort.phpt b/ext/intl/tests/collator_asort.phpt
index a614ddc3f8..308f3a3ca3 100644
--- a/ext/intl/tests/collator_asort.phpt
+++ b/ext/intl/tests/collator_asort.phpt
@@ -2,6 +2,7 @@
 asort()
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/collator_asort_variant2.phpt b/ext/intl/tests/collator_asort_variant2.phpt
new file mode 100644
index 0000000000..f9dff13608
--- /dev/null
+++ b/ext/intl/tests/collator_asort_variant2.phpt
@@ -0,0 +1,243 @@
+--TEST--
+asort()
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Sort associative arrays using various locales.
+ */
+
+
+$test_num = 1;
+
+/*
+ * Sort various arrays in specified locale.
+ */
+function sort_arrays( $locale, $test_arrays, $sort_flag = Collator::SORT_REGULAR )
+{
+    $res_str = '';
+
+    $coll = ut_coll_create( $locale );
+
+    foreach( $test_arrays as $test_array )
+    {
+        // Try to sort test data.
+        $res_val = ut_coll_asort( $coll, $test_array, $sort_flag );
+
+        // Return output data.
+        $res_dump = "\n" . dump( $test_array ) .
+                    "\n Result: " . dump( $res_val );
+
+		// Preppend test signature to output string
+        $md5 = md5( $res_dump );
+
+        global $test_num;
+        
+        $res_str .= "\n\n".
+                    "Test $test_num.$md5:" .
+                    $res_dump;
+        ++$test_num;
+    }
+
+    return $res_str;
+}
+
+/*
+ * Test main function.
+ */
+function ut_main()
+{
+    global $test_num;
+    $test_num = 1;
+    $res_str = '';
+
+    // Sort an array in SORT_REGULAR mode using en_US locale.
+    $test_params = array(
+        array( 'd' => 'y'  ,
+               'c' => 'i'  ,
+               'a' => 'k'  ),
+
+        array( 'a' => 'a'  ,
+               'b' => 'aaa',
+               'c' => 'aa' ),
+
+        array( 'a'  => 'a' ,
+               'aaa'=> 'a' ,
+               'aa' => 'a' ),
+
+        array( '1' => 'abc',
+               '5' => '!'  ,
+               '2' => null ,
+               '7' => ''   ),
+
+        array( '1' => '100',
+               '2' => '25' ,
+               '3' => '36' ),
+
+        array( '1' => 5    ,
+               '2' => '30' ,
+               '3' => 2    )
+    );
+
+    $res_str .= sort_arrays( 'en_US', $test_params );
+
+    // Sort an array in SORT_STRING mode using en_US locale.
+    $test_params = array(
+        array( '1' => '100',
+               '2' => '25' ,
+               '3' => '36' ),
+
+        array( '1' => 5    ,
+               '2' => '30' ,
+               '3' => 2    ),
+
+        array( '1' => 'd'  ,
+               '2' => ''   ,
+               '3' => ' a' ),
+
+        array( '1' => 'y'  ,
+               '2' => 'k'  ,
+               '3' => 'i'  )
+    );
+
+    $res_str .= sort_arrays( 'en_US', $test_params, Collator::SORT_STRING );
+
+    // Sort a non-ASCII array using ru_RU locale.
+    $test_params = array(
+        array( 'п' => 'у',
+               'б' => 'в',
+               'е' => 'а' ),
+
+        array( '1' => 'п',
+               '4' => '',
+               '7' => 'd',
+               '2' => 'пп' )
+    );
+
+    $res_str .= sort_arrays( 'ru_RU', $test_params );
+
+
+    // Sort an array using Lithuanian locale.
+    $test_params = array(
+        array( 'd' => 'y',
+               'c' => 'i',
+               'a' => 'k' )
+    );
+
+    $res_str .= sort_arrays( 'lt_LT', $test_params );
+
+    return $res_str . "\n";
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+?>
+--EXPECT--
+Test 1.162b81ac12878b817fc39063097e45b5:
+array (
+  'c' => 'i',
+  'a' => 'k',
+  'd' => 'y',
+)
+ Result: true
+
+Test 2.93d96e22f692d8a281b0a389f01f8d1e:
+array (
+  'a' => 'a',
+  'c' => 'aa',
+  'b' => 'aaa',
+)
+ Result: true
+
+Test 3.9f25de4482bc7b58de508e278113317c:
+array (
+  'aa' => 'a',
+  'aaa' => 'a',
+  'a' => 'a',
+)
+ Result: true
+
+Test 4.a85a41ea78e45b651080cfd98c0b431d:
+array (
+  7 => '',
+  2 => NULL,
+  5 => '!',
+  1 => 'abc',
+)
+ Result: true
+
+Test 5.99dc71f405b286e03d489061b36e6900:
+array (
+  2 => '25',
+  3 => '36',
+  1 => '100',
+)
+ Result: true
+
+Test 6.bf5bba243307c9d12934e756ad4be190:
+array (
+  3 => 2,
+  1 => 5,
+  2 => '30',
+)
+ Result: true
+
+Test 7.e4ee7024c61476e9e7a6c28b5e47df6f:
+array (
+  1 => '100',
+  2 => '25',
+  3 => '36',
+)
+ Result: true
+
+Test 8.5fa7033dd43784be0db1474eb48b83c8:
+array (
+  3 => 2,
+  2 => '30',
+  1 => 5,
+)
+ Result: true
+
+Test 9.588cdf4692bc09aa92ffe7e48f9e4579:
+array (
+  2 => '',
+  3 => ' a',
+  1 => 'd',
+)
+ Result: true
+
+Test 10.be02641a47ebcccd23e4183ca3a415f7:
+array (
+  3 => 'i',
+  2 => 'k',
+  1 => 'y',
+)
+ Result: true
+
+Test 11.153d9b11d1e5936afc917a94a4e11f34:
+array (
+  'е' => 'а',
+  'б' => 'в',
+  'п' => 'у',
+)
+ Result: true
+
+Test 12.e1f5cb037b564dce39ffbd0a61562d59:
+array (
+  4 => '',
+  1 => 'п',
+  2 => 'пп',
+  7 => 'd',
+)
+ Result: true
+
+Test 13.8800d48abb960a59002eef77f1d73ae0:
+array (
+  'c' => 'i',
+  'd' => 'y',
+  'a' => 'k',
+)
+ Result: true
diff --git a/ext/intl/tests/collator_compare.phpt b/ext/intl/tests/collator_compare.phpt
index f10b5708f4..7c07204b70 100644
--- a/ext/intl/tests/collator_compare.phpt
+++ b/ext/intl/tests/collator_compare.phpt
@@ -2,6 +2,7 @@
 compare()
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/collator_compare_variant2.phpt b/ext/intl/tests/collator_compare_variant2.phpt
new file mode 100644
index 0000000000..15c725bc4f
--- /dev/null
+++ b/ext/intl/tests/collator_compare_variant2.phpt
@@ -0,0 +1,135 @@
+--TEST--
+compare()
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Compare various string pairs using various locales.
+ */
+
+
+/*
+ * Converts comparison result to a character.
+ */
+function cmp_to_char( $comp_res )
+{
+    switch( $comp_res )
+    {
+    case 0:            // UCOL_EQUAL
+        return '=';
+    case 1:            // UCOL_GREATER
+        return '>';
+    case -1:           // UCOL_LESS
+        return '<';
+    default:
+        return '?';
+    }
+}
+
+/*
+ * Compare string pairs in the given array
+ * using specified locale.
+ */
+function compare_pairs( $locale, $test_array )
+{
+    $res_str = '';
+
+    $coll = ut_coll_create( $locale );
+
+    foreach( $test_array as $test_strings )
+    {
+        list( $str1, $str2 ) = $test_strings;
+
+        // Compare strings.
+        $res_val = cmp_to_char( ut_coll_compare( $coll, $str1, $str2 ) );
+
+        // Concatenate result strings.
+        $res_str .= dump( $str1 ) .
+                    ' ' . $res_val . ' ' .
+                    dump( $str2 ) . "\n";
+    }
+
+    return $res_str;
+
+}
+
+function ut_main()
+{
+    $res_str = '';
+
+    // Compare strings using en_US locale.
+    $test_params = array(
+        array( 'abc', 'abc' ),
+        array( 'Abc', 'abc' ),
+        array( 'a'  , 'abc' ),
+        array( 'a'  , ''    ),
+        array( ''  , ''     ),
+        array( 'a'  , 'b'   ),
+        array( 'ab'  , 'b'  ),
+        array( 'ab'  , 'a'  ),
+        array( 123  , 'abc' ),
+        array( 'ac' , null  ),
+        array( '.'  , '.'   ),
+        // Try to compare long strings.
+        array( 'abcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcde',
+               'abcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdea'),
+        array( null , null  )
+    );
+
+    $res_str .= compare_pairs( 'en_US', $test_params );
+
+
+    // Compare strings using ru_RU locale.
+    $test_params = array(
+        array( 'а',   'б' ),
+        array( 'а',   'аа' ),
+        array( 'аб', 'ба' ),
+        array( 'а',   ',' ),
+        array( 'а',   'b' ),
+        array( 'а',   'bb' ),
+        array( 'а',   'ab' ),
+        array( 'а',   null )
+    );
+
+    $res_str .= compare_pairs( 'ru_RU', $test_params );
+
+
+    // Compare strings using lt_LT locale.
+    $test_params = array(
+        array( 'y', 'k' )
+    );
+
+    $res_str .= compare_pairs( 'lt_LT', $test_params );
+
+    return $res_str;
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+?>
+--EXPECT--
+'abc' = 'abc'
+'Abc' > 'abc'
+'a' < 'abc'
+'a' > ''
+'' = ''
+'a' < 'b'
+'ab' < 'b'
+'ab' > 'a'
+123 < 'abc'
+'ac' > NULL
+'.' = '.'
+'abcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcde' < 'abcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdea'
+NULL = NULL
+'а' < 'б'
+'а' < 'аа'
+'аб' < 'ба'
+'а' > ','
+'а' < 'b'
+'а' < 'bb'
+'а' < 'ab'
+'а' > NULL
+'y' < 'k'
diff --git a/ext/intl/tests/collator_create2.phpt b/ext/intl/tests/collator_create2.phpt
index 90d71b0571..5d9f35741b 100644
--- a/ext/intl/tests/collator_create2.phpt
+++ b/ext/intl/tests/collator_create2.phpt
@@ -1,8 +1,9 @@
 --TEST--
-create() icu >= 4.8
+create() icu >= 4.8 && icu < 53.1
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
-<?php if(version_compare(INTL_ICU_VERSION, '4.8') < 0) print 'skip'; ?>
+<?php if(version_compare(INTL_ICU_VERSION, '4.8') < 0) print 'skip for ICU >= 4.8'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '53.1') >=  0) die('skip for ICU < 53.1'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/collator_create3.phpt b/ext/intl/tests/collator_create3.phpt
new file mode 100644
index 0000000000..c602e794cd
--- /dev/null
+++ b/ext/intl/tests/collator_create3.phpt
@@ -0,0 +1,82 @@
+--TEST--
+create() icu >= 53.1 
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '53.1') < 0) die('skip for ICU >= 53.1'); ?>
+--FILE--
+<?php
+
+/*
+ * Try creating collator with different locales
+ * with Procedural and Object methods.
+ */
+
+function ut_main()
+{
+    $res_str = '';
+
+    $locales = array(
+        'EN-US-ODESSA',
+        'UK_UA_ODESSA',
+        'uk-ua_CALIFORNIA@currency=;currency=GRN',
+        '',
+        'root',
+        'uk@currency=EURO',
+	'1234567891113151719212325272931333537394143454749515357596163656769717375777981838587899193959799'
+    );
+
+    foreach( $locales as $locale )
+    {
+        // Create Collator with the current locale.
+        $coll = ut_coll_create( $locale );
+        if( !is_object($coll) )
+        {
+            $res_str .= "Error creating collator with '$locale' locale: " .
+                 intl_get_error_message() . "\n";
+            continue;
+        }
+
+        // Get the requested, valid and actual locales.
+        $vloc = ut_coll_get_locale( $coll, Locale::VALID_LOCALE );
+        $aloc = ut_coll_get_locale( $coll, Locale::ACTUAL_LOCALE );
+
+        // Show them.
+        $res_str .= "Locale: '$locale'\n" .
+            "  ULOC_REQUESTED_LOCALE = '$locale'\n" .
+            "  ULOC_VALID_LOCALE     = '$vloc'\n" .
+            "  ULOC_ACTUAL_LOCALE    = '$aloc'\n";
+    }
+
+    return $res_str;
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+
+?>
+--EXPECTF--
+Locale: 'EN-US-ODESSA'
+  ULOC_REQUESTED_LOCALE = 'EN-US-ODESSA'
+  ULOC_VALID_LOCALE     = 'en_US'
+  ULOC_ACTUAL_LOCALE    = 'root'
+Locale: 'UK_UA_ODESSA'
+  ULOC_REQUESTED_LOCALE = 'UK_UA_ODESSA'
+  ULOC_VALID_LOCALE     = 'uk'
+  ULOC_ACTUAL_LOCALE    = 'uk'
+Locale: 'uk-ua_CALIFORNIA@currency=;currency=GRN'
+  ULOC_REQUESTED_LOCALE = 'uk-ua_CALIFORNIA@currency=;currency=GRN'
+  ULOC_VALID_LOCALE     = 'root'
+  ULOC_ACTUAL_LOCALE    = 'root'
+Locale: ''
+  ULOC_REQUESTED_LOCALE = ''
+  ULOC_VALID_LOCALE     = '%s'
+  ULOC_ACTUAL_LOCALE    = '%s'
+Locale: 'root'
+  ULOC_REQUESTED_LOCALE = 'root'
+  ULOC_VALID_LOCALE     = 'root'
+  ULOC_ACTUAL_LOCALE    = 'root'
+Locale: 'uk@currency=EURO'
+  ULOC_REQUESTED_LOCALE = 'uk@currency=EURO'
+  ULOC_VALID_LOCALE     = 'uk'
+  ULOC_ACTUAL_LOCALE    = 'uk'
+Error creating collator with '1234567891113151719212325272931333537394143454749515357596163656769717375777981838587899193959799' locale: Locale string too long, should be no longer than 80 characters: U_ILLEGAL_ARGUMENT_ERROR
diff --git a/ext/intl/tests/collator_get_sort_key.phpt b/ext/intl/tests/collator_get_sort_key.phpt
index a9c4d71348..58240d426c 100644
--- a/ext/intl/tests/collator_get_sort_key.phpt
+++ b/ext/intl/tests/collator_get_sort_key.phpt
@@ -3,6 +3,8 @@ collator_get_sort_key()
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
 <?php if(version_compare(INTL_ICU_VERSION, '4.8') < 0) print 'skip ICU >= 4.8 only'; ?>
+<?php /* XXX Obviously it fails somewhere between >= 4.8 and < 51.2 */ 
+if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
@@ -95,4 +97,4 @@ key: 5c0a161801070107
 source: жжж
 key: 5c3a3a3a01070107
 source: эюя
-key: 5d3b3f4501070107
\ No newline at end of file
+key: 5d3b3f4501070107
diff --git a/ext/intl/tests/collator_get_sort_key_variant2.phpt b/ext/intl/tests/collator_get_sort_key_variant2.phpt
new file mode 100644
index 0000000000..3c526fbc3c
--- /dev/null
+++ b/ext/intl/tests/collator_get_sort_key_variant2.phpt
@@ -0,0 +1,99 @@
+--TEST--
+collator_get_sort_key()
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '53.1') >=  0) die('skip for ICU < 53.1'); ?>
+--FILE--
+<?php
+
+/*
+ * Get sort keys using various locales
+ */
+function sort_arrays( $locale, $data )
+{
+    $res_str = '';
+
+    $coll = ut_coll_create( $locale );
+
+	foreach($data as $value) {
+		$res_val = ut_coll_get_sort_key( $coll, $value );
+		$res_str .= "source: ".$value."\n".
+					"key: ".bin2hex($res_val)."\n";
+	}
+
+    return $res_str;
+}
+
+
+function ut_main()
+{
+    $res_str = '';
+
+    // Regular strings keys
+    $test_params = array(
+		'abc', 'abd', 'aaa',
+		'аа', 'а', 'z',
+		'', null , '3',
+        'y'  , 'i'  , 'k'
+    );
+
+    $res_str .= sort_arrays( 'en_US', $test_params );
+
+    // Sort a non-ASCII array using ru_RU locale.
+    $test_params = array(
+		'абг', 'абв', 'жжж', 'эюя'
+    );
+
+    $res_str .= sort_arrays( 'ru_RU', $test_params );
+
+    // Sort an array using Lithuanian locale.
+    $res_str .= sort_arrays( 'lt_LT', $test_params );
+
+    return $res_str . "\n";
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+?>
+--EXPECT--
+source: abc
+key: 27292b01070107
+source: abd
+key: 27292d01070107
+source: aaa
+key: 27272701070107
+source: аа
+key: 5c0a0a01060106
+source: а
+key: 5c0a01050105
+source: z
+key: 5901050105
+source: 
+key: 0101
+source: 
+key: 0101
+source: 3
+key: 1801050105
+source: y
+key: 5701050105
+source: i
+key: 3701050105
+source: k
+key: 3b01050105
+source: абг
+key: 260a161a01070107
+source: абв
+key: 260a161801070107
+source: жжж
+key: 263a3a3a01070107
+source: эюя
+key: 273b3f4501070107
+source: абг
+key: 5c0a161a01070107
+source: абв
+key: 5c0a161801070107
+source: жжж
+key: 5c3a3a3a01070107
+source: эюя
+key: 5d3b3f4501070107
diff --git a/ext/intl/tests/collator_get_sort_key_variant3.phpt b/ext/intl/tests/collator_get_sort_key_variant3.phpt
new file mode 100644
index 0000000000..cc2a23b2b8
--- /dev/null
+++ b/ext/intl/tests/collator_get_sort_key_variant3.phpt
@@ -0,0 +1,98 @@
+--TEST--
+collator_get_sort_key()
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '53.1') < 0) die('skip for ICU >= 53.1'); ?>
+--FILE--
+<?php
+
+/*
+ * Get sort keys using various locales
+ */
+function sort_arrays( $locale, $data )
+{
+    $res_str = '';
+
+    $coll = ut_coll_create( $locale );
+
+	foreach($data as $value) {
+		$res_val = ut_coll_get_sort_key( $coll, $value );
+		$res_str .= "source: ".$value."\n".
+					"key: ".bin2hex($res_val)."\n";
+	}
+
+    return $res_str;
+}
+
+
+function ut_main()
+{
+    $res_str = '';
+
+    // Regular strings keys
+    $test_params = array(
+		'abc', 'abd', 'aaa',
+		'аа', 'а', 'z',
+		'', null , '3',
+        'y'  , 'i'  , 'k'
+    );
+
+    $res_str .= sort_arrays( 'en_US', $test_params );
+
+    // Sort a non-ASCII array using ru_RU locale.
+    $test_params = array(
+		'абг', 'абв', 'жжж', 'эюя'
+    );
+
+    $res_str .= sort_arrays( 'ru_RU', $test_params );
+
+    // Sort an array using Lithuanian locale.
+    $res_str .= sort_arrays( 'lt_LT', $test_params );
+
+    return $res_str . "\n";
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+?>
+--EXPECT--
+source: abc
+key: 292b2d01070107
+source: abd
+key: 292b2f01070107
+source: aaa
+key: 29292901070107
+source: аа
+key: 5e090901060106
+source: а
+key: 5e0901050105
+source: z
+key: 5b01050105
+source: 
+key: 0101
+source: 
+key: 0101
+source: 3
+key: 1a01050105
+source: y
+key: 5901050105
+source: i
+key: 3901050105
+source: k
+key: 3d01050105
+source: абг
+key: 2809131701070107
+source: абв
+key: 2809131501070107
+source: жжж
+key: 2833333301070107
+source: эюя
+key: 28cdd1d501070107
+source: абг
+key: 5e09131701070107
+source: абв
+key: 5e09131501070107
+source: жжж
+key: 5e33333301070107
+source: эюя
+key: 5ecdd1d501070107
diff --git a/ext/intl/tests/collator_sort.phpt b/ext/intl/tests/collator_sort.phpt
index 5cefe2fd7c..e16eeea1e8 100644
--- a/ext/intl/tests/collator_sort.phpt
+++ b/ext/intl/tests/collator_sort.phpt
@@ -2,6 +2,7 @@
 sort()
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/collator_sort_variant2.phpt b/ext/intl/tests/collator_sort_variant2.phpt
new file mode 100644
index 0000000000..29a5082fda
--- /dev/null
+++ b/ext/intl/tests/collator_sort_variant2.phpt
@@ -0,0 +1,248 @@
+--TEST--
+sort()
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Sort arrays using various locales.
+ */
+
+
+$test_num = 1;
+
+/*
+ * Sort arrays in the given list using specified locale.
+ */
+function sort_arrays( $locale, $arrays, $sort_flag = Collator::SORT_REGULAR )
+{
+    $res_str = '';
+
+    $coll = ut_coll_create( $locale );
+
+    foreach( $arrays as $array )
+    {
+        // Sort array values
+        $res_val = ut_coll_sort( $coll, $array, $sort_flag );
+
+        // Concatenate the sorted array and function result
+        // with output string.
+        $res_dump = "\n" . dump( $array ) .
+                    "\n Result: " . dump( $res_val );
+
+		// Preppend test signature to output string
+        $md5 = md5( $res_dump );
+
+        global $test_num;
+        
+        $res_str .= "\n\n".
+                    "Test $test_num.$md5:" .
+                    $res_dump;
+        ++$test_num;
+    }
+
+    return $res_str;
+}
+
+function ut_main()
+{
+    global $test_num;
+    $test_num = 1;
+    $res_str = '';
+
+    // Sort an array in SORT_REGULAR mode using en_US locale.
+    $test_params = array(
+        array( 'abc', 'abd', 'aaa' ),
+        array( 'm'  , '1'  , '_'   ),
+        array( 'a'  , 'aaa', 'aa'  ),
+        array( 'ba' , 'b'  , 'ab'  ),
+        array( 'e'  , 'c'  , 'a'   ),
+        array( '100', '25' , '36'  ),
+        array( 5    , '30' , 2     ),
+        array( 'd'  , ''   , ' a'  ),
+        array( 'd ' , 'f ' , ' a'  ),
+        array( 'a'  , null , '3'   ),
+        array( 'y'  , 'k'  , 'i' )
+    );
+
+    $res_str .= sort_arrays( 'en_US', $test_params );
+
+    $test_params = array(
+        array( '100', '25' , '36'  ),
+        array( 5    , '30' , 2     ),
+        array( 'd'  , ''   , ' a'  ),
+        array( 'y'  , 'k'  , 'i' )
+    );
+
+    // Sort in en_US locale with SORT_STRING flag
+    $res_str .= sort_arrays( 'en_US', $test_params, Collator::SORT_STRING );
+
+
+    // Sort a non-ASCII array using ru_RU locale.
+    $test_params = array(
+        array( 'абг', 'абв', 'ааа', 'abc' ),
+        array( 'аа', 'ааа' , 'а' )
+    );
+
+    $res_str .= sort_arrays( 'ru_RU', $test_params );
+
+    // Sort an array using Lithuanian locale.
+    $test_params = array(
+        array( 'y'  , 'k'  , 'i' )
+    );
+
+    $res_str .= sort_arrays( 'lt_LT', $test_params );
+
+    return $res_str;
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+?>
+--EXPECT--
+Test 1.e8f1cd28133d79ecd660002f1c660d0e:
+array (
+  0 => 'aaa',
+  1 => 'abc',
+  2 => 'abd',
+)
+ Result: true
+
+Test 2.c2ded12173dd2996927378cae37eb275:
+array (
+  0 => '_',
+  1 => '1',
+  2 => 'm',
+)
+ Result: true
+
+Test 3.54071c968d71cb98c5d379145f8d7d38:
+array (
+  0 => 'a',
+  1 => 'aa',
+  2 => 'aaa',
+)
+ Result: true
+
+Test 4.19abe63d6f6dfef65b0e3c9ab4826b07:
+array (
+  0 => 'ab',
+  1 => 'b',
+  2 => 'ba',
+)
+ Result: true
+
+Test 5.9a8dc0a9bc771368c2f1fc3d02754610:
+array (
+  0 => 'a',
+  1 => 'c',
+  2 => 'e',
+)
+ Result: true
+
+Test 6.ab530b060e5e54a65bfb8b9f8fc61870:
+array (
+  0 => '25',
+  1 => '36',
+  2 => '100',
+)
+ Result: true
+
+Test 7.0718dd838509017bded2ed307a6e785f:
+array (
+  0 => 2,
+  1 => 5,
+  2 => '30',
+)
+ Result: true
+
+Test 8.923d65739c5219c634616ffd100a50e4:
+array (
+  0 => '',
+  1 => ' a',
+  2 => 'd',
+)
+ Result: true
+
+Test 9.289bc2f28e87d3201ec9d7e8477ae1b0:
+array (
+  0 => ' a',
+  1 => 'd ',
+  2 => 'f ',
+)
+ Result: true
+
+Test 10.de0fd958484f2377a645835d7fbcf124:
+array (
+  0 => NULL,
+  1 => '3',
+  2 => 'a',
+)
+ Result: true
+
+Test 11.dd2b8f0adb37c45d528cad1a0cc0f361:
+array (
+  0 => 'i',
+  1 => 'k',
+  2 => 'y',
+)
+ Result: true
+
+Test 12.1e6b4d6f7df9d4580317634ea46d8208:
+array (
+  0 => '100',
+  1 => '25',
+  2 => '36',
+)
+ Result: true
+
+Test 13.cec115dc9850b98dfbdf102efa09e61b:
+array (
+  0 => 2,
+  1 => '30',
+  2 => 5,
+)
+ Result: true
+
+Test 14.923d65739c5219c634616ffd100a50e4:
+array (
+  0 => '',
+  1 => ' a',
+  2 => 'd',
+)
+ Result: true
+
+Test 15.dd2b8f0adb37c45d528cad1a0cc0f361:
+array (
+  0 => 'i',
+  1 => 'k',
+  2 => 'y',
+)
+ Result: true
+
+Test 16.49056308afb2b800363c5baa735ed247:
+array (
+  0 => 'ааа',
+  1 => 'абв',
+  2 => 'абг',
+  3 => 'abc',
+)
+ Result: true
+
+Test 17.91480b10473a0c96a4cd6d88c23c577a:
+array (
+  0 => 'а',
+  1 => 'аа',
+  2 => 'ааа',
+)
+ Result: true
+
+Test 18.fdd3fe3981476039164aa000bf9177f2:
+array (
+  0 => 'i',
+  1 => 'y',
+  2 => 'k',
+)
+ Result: true
diff --git a/ext/intl/tests/collator_sort_with_sort_keys.phpt b/ext/intl/tests/collator_sort_with_sort_keys.phpt
index 2f489d745c..8be9c97789 100644
--- a/ext/intl/tests/collator_sort_with_sort_keys.phpt
+++ b/ext/intl/tests/collator_sort_with_sort_keys.phpt
@@ -2,6 +2,7 @@
 sort_with_sort_keys()
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/collator_sort_with_sort_keys_variant2.phpt b/ext/intl/tests/collator_sort_with_sort_keys_variant2.phpt
new file mode 100644
index 0000000000..5257f8a6ff
--- /dev/null
+++ b/ext/intl/tests/collator_sort_with_sort_keys_variant2.phpt
@@ -0,0 +1,190 @@
+--TEST--
+sort_with_sort_keys()
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Sort arrays using various locales.
+ */
+
+
+$test_num = 1;
+
+/*
+ * Sort arrays in the given list using specified locale.
+ */
+function sort_arrays( $locale, $arrays )
+{
+    $res_str = '';
+
+    $coll = ut_coll_create( $locale );
+
+    foreach( $arrays as $array )
+    {
+        // Sort array values
+        $res_val = ut_coll_sort_with_sort_keys( $coll, $array );
+
+        // Concatenate the sorted array and function result
+        // with output string.
+        $res_dump = "\n" . dump( $array ) .
+                    "\n Result: " . dump( $res_val );
+        
+        
+        // Preppend test signature to output string
+        $md5 = md5( $res_dump );
+
+        global $test_num;
+
+        $res_str .= "\n\n".
+                    "Test $test_num.$md5:" .
+                    $res_dump;
+        ++$test_num;
+    }
+
+    return $res_str;
+}
+
+
+function ut_main()
+{
+    global $test_num;
+    $test_num = 1;
+    $res_str = '';
+
+    // Sort an array in SORT_REGULAR mode using en_US locale.
+    $test_params = array(
+        array( 'abc', 'abd', 'aaa' ),
+        array( 'm'  , '1'  , '_'   ),
+        array( 'a'  , 'aaa', 'aa'  ),
+        array( 'ba' , 'b'  , 'ab'  ),
+        array( 'e'  , 'c'  , 'a'   ),
+        array( 'd'  , ''   , ' a'  ),
+        array( 'd ' , 'f ' , ' a'  ),
+        array( 'a'  , null , '3'   ),
+        array( 'y'  , 'i'  , 'k'   )
+    );
+
+    $res_str .= sort_arrays( 'en_US', $test_params );
+
+    // Sort a non-ASCII array using ru_RU locale.
+    $test_params = array(
+        array( 'абг', 'абв', 'ааа', 'abc' ),
+        array( 'аа', 'ааа', 'а' )
+    );
+
+    $res_str .= sort_arrays( 'ru_RU', $test_params );
+
+    // Array with data for sorting.
+    $test_params = array(
+        array( 'y'  , 'i'  , 'k'   )
+    );
+
+    // Sort an array using Lithuanian locale.
+    $res_str .= sort_arrays( 'lt_LT', $test_params );
+
+    return $res_str . "\n";
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+?>
+--EXPECT--
+Test 1.e8f1cd28133d79ecd660002f1c660d0e:
+array (
+  0 => 'aaa',
+  1 => 'abc',
+  2 => 'abd',
+)
+ Result: true
+
+Test 2.c2ded12173dd2996927378cae37eb275:
+array (
+  0 => '_',
+  1 => '1',
+  2 => 'm',
+)
+ Result: true
+
+Test 3.54071c968d71cb98c5d379145f8d7d38:
+array (
+  0 => 'a',
+  1 => 'aa',
+  2 => 'aaa',
+)
+ Result: true
+
+Test 4.19abe63d6f6dfef65b0e3c9ab4826b07:
+array (
+  0 => 'ab',
+  1 => 'b',
+  2 => 'ba',
+)
+ Result: true
+
+Test 5.9a8dc0a9bc771368c2f1fc3d02754610:
+array (
+  0 => 'a',
+  1 => 'c',
+  2 => 'e',
+)
+ Result: true
+
+Test 6.923d65739c5219c634616ffd100a50e4:
+array (
+  0 => '',
+  1 => ' a',
+  2 => 'd',
+)
+ Result: true
+
+Test 7.289bc2f28e87d3201ec9d7e8477ae1b0:
+array (
+  0 => ' a',
+  1 => 'd ',
+  2 => 'f ',
+)
+ Result: true
+
+Test 8.de0fd958484f2377a645835d7fbcf124:
+array (
+  0 => NULL,
+  1 => '3',
+  2 => 'a',
+)
+ Result: true
+
+Test 9.dd2b8f0adb37c45d528cad1a0cc0f361:
+array (
+  0 => 'i',
+  1 => 'k',
+  2 => 'y',
+)
+ Result: true
+
+Test 10.49056308afb2b800363c5baa735ed247:
+array (
+  0 => 'ааа',
+  1 => 'абв',
+  2 => 'абг',
+  3 => 'abc',
+)
+ Result: true
+
+Test 11.91480b10473a0c96a4cd6d88c23c577a:
+array (
+  0 => 'а',
+  1 => 'аа',
+  2 => 'ааа',
+)
+ Result: true
+
+Test 12.fdd3fe3981476039164aa000bf9177f2:
+array (
+  0 => 'i',
+  1 => 'y',
+  2 => 'k',
+)
+ Result: true
diff --git a/ext/intl/tests/dateformat_calendars_variant2.phpt b/ext/intl/tests/dateformat_calendars_variant2.phpt
new file mode 100644
index 0000000000..61cdea8408
--- /dev/null
+++ b/ext/intl/tests/dateformat_calendars_variant2.phpt
@@ -0,0 +1,45 @@
+--TEST--
+IntlDateFormatter, calendars and time zone
+--INI--
+date.timezone=Atlantic/Azores
+--SKIPIF--
+<?php
+if (!extension_loaded('intl'))	die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+
+$fmt1 = new IntlDateFormatter('en_US',
+	IntlDateFormatter::FULL,
+	IntlDateFormatter::FULL,
+	'GMT+05:12',
+	IntlDateFormatter::TRADITIONAL);
+$fmt2 = new IntlDateFormatter('en_US',
+	IntlDateFormatter::FULL,
+	IntlDateFormatter::FULL,
+	'GMT+05:12',
+	IntlDateFormatter::GREGORIAN);
+$fmt3 = new IntlDateFormatter('en_US@calendar=hebrew',
+	IntlDateFormatter::FULL,
+	IntlDateFormatter::FULL,
+	'GMT+05:12',
+	IntlDateFormatter::TRADITIONAL);
+var_dump($fmt1->format(strtotime('2012-01-01 00:00:00 +0000')));
+var_dump($fmt2->format(strtotime('2012-01-01 00:00:00 +0000')));
+var_dump($fmt3->format(strtotime('2012-01-01 00:00:00 +0000')));
+
+new IntlDateFormatter('en_US@calendar=hebrew',
+	IntlDateFormatter::FULL,
+	IntlDateFormatter::FULL,
+	'GMT+05:12',
+	-1);
+?>
+==DONE==
+--EXPECTF--
+string(47) "Sunday, January 1, 2012 at 5:12:00 AM GMT+05:12"
+string(47) "Sunday, January 1, 2012 at 5:12:00 AM GMT+05:12"
+string(48) "Sunday, Tevet 6, 5772 AM at 5:12:00 AM GMT+05:12"
+
+Warning: IntlDateFormatter::__construct(): datefmt_create: invalid value for calendar type; it must be one of IntlDateFormatter::TRADITIONAL (locale's default calendar) or IntlDateFormatter::GREGORIAN. Alternatively, it can be an IntlCalendar object in %sdateformat_calendars_variant2.php on line %d
+==DONE==
diff --git a/ext/intl/tests/dateformat_set_timezone_id3.phpt b/ext/intl/tests/dateformat_set_timezone_id3.phpt
new file mode 100644
index 0000000000..b3968f9ac0
--- /dev/null
+++ b/ext/intl/tests/dateformat_set_timezone_id3.phpt
@@ -0,0 +1,85 @@
+--TEST--
+datefmt_set_timezone_id_code() icu >= 4.8
+--INI--
+date.timezone=Atlantic/Azores
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+ini_set("intl.error_level", E_WARNING);
+ini_set("error_reporting", ~E_DEPRECATED);
+
+/*
+ * Test for the datefmt_set_timezone_id  function
+ */
+
+
+function ut_main()
+{
+	$timezone_id_arr = array (
+		'America/New_York',
+		'America/Los_Angeles',
+		'America/Chicago',
+		'CN'
+	);
+	$timestamp_entry = 0;
+
+	$res_str = '';
+
+	$fmt = ut_datefmt_create( "en_US",  IntlDateFormatter::FULL, IntlDateFormatter::FULL, 'US/Pacific' , IntlDateFormatter::GREGORIAN  );
+	$timezone_id = ut_datefmt_get_timezone_id( $fmt );
+	$res_str .= "\nAfter creation of the dateformatter :  timezone_id= $timezone_id\n";
+
+	foreach( $timezone_id_arr as $timezone_id_entry )
+	{
+
+		$res_str .= "-----------";
+		$res_str .= "\nTrying to set timezone_id= $timezone_id_entry";
+		ut_datefmt_set_timezone_id( $fmt , $timezone_id_entry );
+		$timezone_id = ut_datefmt_get_timezone_id( $fmt );
+		$res_str .= "\nAfter call to set_timezone_id :  timezone_id= $timezone_id";
+		$formatted = ut_datefmt_format( $fmt, 0);
+		$res_str .= "\nFormatting timestamp=0 resulted in  $formatted";
+		$formatted = ut_datefmt_format( $fmt, 3600);
+		$res_str .= "\nFormatting timestamp=3600 resulted in  $formatted";
+		$res_str .= "\n";
+
+	}
+
+	return $res_str;
+
+}
+
+include_once( 'ut_common.inc' );
+
+// Run the test
+ut_run();
+?>
+--EXPECTF--
+Warning: IntlDateFormatter::setTimeZoneId(): datefmt_set_timezone: no such time zone: 'CN' in %sut_common.inc on line %d
+
+Warning: datefmt_set_timezone_id(): datefmt_set_timezone: no such time zone: 'CN' in %sut_common.inc on line %d
+
+After creation of the dateformatter :  timezone_id= US/Pacific
+-----------
+Trying to set timezone_id= America/New_York
+After call to set_timezone_id :  timezone_id= America/New_York
+Formatting timestamp=0 resulted in  Wednesday, December 31, 1969 at 7:00:00 PM Eastern Standard Time
+Formatting timestamp=3600 resulted in  Wednesday, December 31, 1969 at 8:00:00 PM Eastern Standard Time
+-----------
+Trying to set timezone_id= America/Los_Angeles
+After call to set_timezone_id :  timezone_id= America/Los_Angeles
+Formatting timestamp=0 resulted in  Wednesday, December 31, 1969 at 4:00:00 PM Pacific Standard Time
+Formatting timestamp=3600 resulted in  Wednesday, December 31, 1969 at 5:00:00 PM Pacific Standard Time
+-----------
+Trying to set timezone_id= America/Chicago
+After call to set_timezone_id :  timezone_id= America/Chicago
+Formatting timestamp=0 resulted in  Wednesday, December 31, 1969 at 6:00:00 PM Central Standard Time
+Formatting timestamp=3600 resulted in  Wednesday, December 31, 1969 at 7:00:00 PM Central Standard Time
+-----------
+Trying to set timezone_id= CN
+After call to set_timezone_id :  timezone_id= America/Chicago
+Formatting timestamp=0 resulted in  Wednesday, December 31, 1969 at 6:00:00 PM Central Standard Time
+Formatting timestamp=3600 resulted in  Wednesday, December 31, 1969 at 7:00:00 PM Central Standard Time
diff --git a/ext/intl/tests/formatter_format2.phpt b/ext/intl/tests/formatter_format2.phpt
index 0732e419dd..32c42f69da 100644
--- a/ext/intl/tests/formatter_format2.phpt
+++ b/ext/intl/tests/formatter_format2.phpt
@@ -2,7 +2,7 @@
 numfmt_format() icu >= 4.8
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
-<?php if(version_compare(INTL_ICU_VERSION, '4.8') < 0) print 'skip'; ?>
+<?php if(version_compare(INTL_ICU_VERSION, '4.8') < 0 || version_compare(INTL_ICU_VERSION, '52.1') >= 0) print 'skip'; ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/formatter_format3.phpt b/ext/intl/tests/formatter_format3.phpt
new file mode 100644
index 0000000000..b9d6eb5c3d
--- /dev/null
+++ b/ext/intl/tests/formatter_format3.phpt
@@ -0,0 +1,131 @@
+--TEST--
+numfmt_format() icu >= 52.1 && icu < 53.1
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if(version_compare(INTL_ICU_VERSION, '52.1') < 0) print 'skip for ICU >= 52.1'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '53.1') >=  0) die('skip for ICU < 53.1'); ?>
+--FILE--
+<?php
+
+/*
+ * Format a number using misc locales/patterns.
+ */
+
+/*
+ * TODO: doesn't pass on ICU 3.6 because 'ru' and 'de' locales changed
+ * currency and percent formatting.
+ */
+
+function ut_main()
+{
+    $styles = array(
+        NumberFormatter::PATTERN_DECIMAL => '##.#####################',
+        NumberFormatter::DECIMAL => '',
+        NumberFormatter::CURRENCY => '',
+        NumberFormatter::PERCENT => '',
+        NumberFormatter::SCIENTIFIC => '',
+        NumberFormatter::SPELLOUT => '@@@@@@@',
+        NumberFormatter::ORDINAL => '',
+        NumberFormatter::DURATION => '',
+        NumberFormatter::PATTERN_RULEBASED => '#####.###',
+        1234999, // bad one
+    );
+
+   $integer = array(
+        NumberFormatter::ORDINAL => '',
+        NumberFormatter::DURATION => '',
+   );
+    $locales = array(
+        'en_US',
+        'ru_UA',
+        'de',
+        'fr',
+        'en_UK'
+    );
+
+    $str_res = '';
+    $number = 1234567.891234567890000;
+
+    foreach( $locales as $locale )
+    {
+        $str_res .= "\nLocale is: $locale\n";
+        foreach( $styles as $style => $pattern )
+        {
+            $fmt = ut_nfmt_create( $locale, $style, $pattern );
+
+			if(!$fmt) {
+				$str_res .= "Bad formatter!\n";
+				continue;
+			}
+            $str_res .= dump( isset($integer[$style])?ut_nfmt_format( $fmt, $number, NumberFormatter::TYPE_INT32):ut_nfmt_format( $fmt, $number ) ) . "\n";
+        }
+    }
+    return $str_res;
+}
+
+include_once( 'ut_common.inc' );
+
+// Run the test
+ut_run();
+
+?>
+--EXPECTREGEX--
+Locale is: en_US
+'1234567.89123457'
+'1,234,567.891'
+'\$1,234,567.89'
+'123,456,789%'
+'1.23456789123457E6'
+'one million,? two hundred (and )?thirty-four thousand,? five hundred (and )?sixty-seven point eight nine one two three four five seven'
+'1,234,567(th|ᵗʰ)'
+'342:56:07'
+'#####.###'
+Bad formatter!
+
+Locale is: ru_UA
+'1234567,89123457'
+'1 234 567,891'
+'1 234 567,89 ?(грн\.|₴)'
+'123 456 789 ?%'
+'1,23456789123457E6'
+'один миллион двести тридцать четыре тысяч пятьсот шестьдесят семь запятая восемь девять один два три четыре пять семь'
+'1 234 567.?'
+'1 234 567'
+'#####.###'
+Bad formatter!
+
+Locale is: de
+'1234567,89123457'
+'1.234.567,891'
+'(¤ )?1.234.567,89( ¤)?'
+'123\.456\.789 %'
+'1,23456789123457E6'
+'eine Million zwei­hundert­vier­und­dreißig­tausend­fünf­hundert­sieben­und­sechzig Komma acht neun eins zwei drei vier fünf sieben'
+'1.234.567.?'
+'1.234.567'
+'#####.###'
+Bad formatter!
+
+Locale is: fr
+'1234567,89123457'
+'1 234 567,891'
+'1 234 567,89 ¤'
+'123 456 789 ?%'
+'1,23456789123457E6'
+'un million deux cent trente-quatre mille cinq cent soixante-sept virgule huit neuf un deux trois quatre cinq sept'
+'1 234 567e'
+'1 234 567'
+'#####.###'
+Bad formatter!
+
+Locale is: en_UK
+'1234567.89123457'
+'1,234,567.891'
+'¤1,234,567.89'
+'123,456,789%'
+'1.23456789123457E6'
+'one million,? two hundred (and )?thirty-four thousand,? five hundred (and )?sixty-seven point eight nine one two three four five seven'
+'1,234,567(th|ᵗʰ)'
+'342:56:07'
+'#####.###'
+Bad formatter!
diff --git a/ext/intl/tests/formatter_format4.phpt b/ext/intl/tests/formatter_format4.phpt
new file mode 100644
index 0000000000..88d457bdb3
--- /dev/null
+++ b/ext/intl/tests/formatter_format4.phpt
@@ -0,0 +1,130 @@
+--TEST--
+numfmt_format() icu >= 53.1
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '53.1') < 0) die('skip for ICU >= 53.1'); ?>
+--FILE--
+<?php
+
+/*
+ * Format a number using misc locales/patterns.
+ */
+
+/*
+ * TODO: doesn't pass on ICU 3.6 because 'ru' and 'de' locales changed
+ * currency and percent formatting.
+ */
+
+function ut_main()
+{
+    $styles = array(
+        NumberFormatter::PATTERN_DECIMAL => '##.#####################',
+        NumberFormatter::DECIMAL => '',
+        NumberFormatter::CURRENCY => '',
+        NumberFormatter::PERCENT => '',
+        NumberFormatter::SCIENTIFIC => '',
+        NumberFormatter::SPELLOUT => '@@@@@@@',
+        NumberFormatter::ORDINAL => '',
+        NumberFormatter::DURATION => '',
+        NumberFormatter::PATTERN_RULEBASED => '#####.###',
+        1234999, // bad one
+    );
+
+   $integer = array(
+        NumberFormatter::ORDINAL => '',
+        NumberFormatter::DURATION => '',
+   );
+    $locales = array(
+        'en_US',
+        'ru_UA',
+        'de',
+        'fr',
+        'en_UK'
+    );
+
+    $str_res = '';
+    $number = 1234567.891234567890000;
+
+    foreach( $locales as $locale )
+    {
+        $str_res .= "\nLocale is: $locale\n";
+        foreach( $styles as $style => $pattern )
+        {
+            $fmt = ut_nfmt_create( $locale, $style, $pattern );
+
+			if(!$fmt) {
+				$str_res .= "Bad formatter!\n";
+				continue;
+			}
+            $str_res .= dump( isset($integer[$style])?ut_nfmt_format( $fmt, $number, NumberFormatter::TYPE_INT32):ut_nfmt_format( $fmt, $number ) ) . "\n";
+        }
+    }
+    return $str_res;
+}
+
+include_once( 'ut_common.inc' );
+
+// Run the test
+ut_run();
+
+?>
+--EXPECTREGEX--
+Locale is: en_US
+'1234567.89123457'
+'1,234,567.891'
+'\$1,234,567.89'
+'123,456,789%'
+'1.23456789123457E6'
+'one million,? two hundred (and )?thirty-four thousand,? five hundred (and )?sixty-seven point eight nine one two three four five seven'
+'1,234,567(th|ᵗʰ)'
+'342:56:07'
+'#####.###'
+'USD1,234,567.89'
+
+Locale is: ru_UA
+'1234567,89123457'
+'1 234 567,891'
+'1 234 567,89 ?(грн\.|₴)'
+'123 456 789 ?%'
+'1,23456789123457E6'
+'один миллион двести тридцать четыре тысяч пятьсот шестьдесят семь запятая восемь девять один два три четыре пять семь'
+'1 234 567.?'
+'1 234 567'
+'#####.###'
+'1 234 567,89 UAH'
+
+Locale is: de
+'1234567,89123457'
+'1.234.567,891'
+'(¤ )?1.234.567,89( ¤)?'
+'123\.456\.789 %'
+'1,23456789123457E6'
+'eine Million zwei­hundert­vier­und­dreißig­tausend­fünf­hundert­sieben­und­sechzig Komma acht neun eins zwei drei vier fünf sieben'
+'1.234.567.?'
+'1.234.567'
+'#####.###'
+'1.234.567,89 ¤¤'
+
+Locale is: fr
+'1234567,89123457'
+'1 234 567,891'
+'1 234 567,89 ¤'
+'123 456 789 ?%'
+'1,23456789123457E6'
+'un million deux cent trente-quatre mille cinq cent soixante-sept virgule huit neuf un deux trois quatre cinq sept'
+'1 234 567e'
+'1 234 567'
+'#####.###'
+'1 234 567,89 ¤¤'
+
+Locale is: en_UK
+'1234567.89123457'
+'1,234,567.891'
+'¤1,234,567.89'
+'123,456,789%'
+'1.23456789123457E6'
+'one million,? two hundred (and )?thirty-four thousand,? five hundred (and )?sixty-seven point eight nine one two three four five seven'
+'1,234,567(th|ᵗʰ)'
+'342:56:07'
+'#####.###'
+'¤¤1,234,567.89'
diff --git a/ext/intl/tests/formatter_get_locale.phpt b/ext/intl/tests/formatter_get_locale.phpt
index 3d4fb2ae4e..7474eabbba 100644
--- a/ext/intl/tests/formatter_get_locale.phpt
+++ b/ext/intl/tests/formatter_get_locale.phpt
@@ -2,6 +2,7 @@
 numfmt_get_locale()
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/formatter_get_locale_variant2.phpt b/ext/intl/tests/formatter_get_locale_variant2.phpt
new file mode 100644
index 0000000000..9d25d1cf90
--- /dev/null
+++ b/ext/intl/tests/formatter_get_locale_variant2.phpt
@@ -0,0 +1,50 @@
+--TEST--
+numfmt_get_locale()
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Get locale.
+ */
+
+function ut_main()
+{
+    $locales = array(
+        'en_UK',
+        'en_US@California',
+        'fr_CA',
+    );
+
+    $loc_types = array(
+        Locale::ACTUAL_LOCALE    => 'actual',
+        Locale::VALID_LOCALE     => 'valid',
+    );
+
+    $res_str = '';
+
+    foreach( $locales as $locale )
+    {
+        $fmt = ut_nfmt_create( $locale, NumberFormatter::DECIMAL );
+        $res_str .= "$locale: ";
+        foreach( $loc_types as $loc_type => $loc_type_name )
+            $res_str .= sprintf( " %s=%s",
+            $loc_type_name,
+            dump( ut_nfmt_get_locale( $fmt, $loc_type ) ) );
+        $res_str .= "\n";
+    }
+
+    return $res_str;
+}
+
+include_once( 'ut_common.inc' );
+
+// Run the test
+ut_run();
+?>
+--EXPECT--
+en_UK:  actual='en' valid='en'
+en_US@California:  actual='en' valid='en'
+fr_CA:  actual='fr' valid='fr_CA'
diff --git a/ext/intl/tests/locale_filter_matches2.phpt b/ext/intl/tests/locale_filter_matches2.phpt
index 37f9e5a377..12d247dc6b 100644
--- a/ext/intl/tests/locale_filter_matches2.phpt
+++ b/ext/intl/tests/locale_filter_matches2.phpt
@@ -1,8 +1,9 @@
 --TEST--
-locale_filter_matches.phpt() icu >= 4.8
+locale_filter_matches.phpt() icu >= 4.8 && icu < 51.2
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
 <?php if(version_compare(INTL_ICU_VERSION, '4.8') < 0) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/locale_filter_matches3.phpt b/ext/intl/tests/locale_filter_matches3.phpt
new file mode 100644
index 0000000000..4c1d4d3898
--- /dev/null
+++ b/ext/intl/tests/locale_filter_matches3.phpt
@@ -0,0 +1,366 @@
+--TEST--
+locale_filter_matches.phpt() ICU >= 51.2 
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Try parsing different Locales  
+ * with Procedural and Object methods.
+ */
+
+function ut_main()
+{
+	$loc_ranges = array(
+		'de-de',
+		'sl_IT',
+		'sl_IT_Nedis',
+		'jbo',
+		'art-lojban',
+		'sl_IT'
+	);
+	
+	$lang_tags = array(
+		'de-DEVA',
+		'de-DE-1996',
+		'de-DE',
+		'zh_Hans',
+		'de-CH-1996',
+		'sl_IT',
+		'sl_IT_nedis-a-kirti-x-xyz',
+		'sl_IT_rozaj',
+		'sl_IT_NEDIS_ROJAZ_1901',
+		'i-enochian',
+		'sgn-CH-de',
+		'art-lojban',
+		'i-lux',
+		'art-lojban',
+		'jbo',
+		'en_sl_IT'
+	);
+
+    $res_str = '';
+    $isCanonical = false;
+	foreach($loc_ranges as $loc_range){
+		foreach($lang_tags as $lang_tag){
+			$res_str .="--------------\n";
+			$result= ut_loc_locale_filter_matches( $lang_tag , $loc_range , $isCanonical);
+			$res_str .= "loc_range:$loc_range matches lang_tag $lang_tag ? ";
+			if( $result){	
+				$res_str .= "YES\n";
+			}else{
+				$res_str .= "NO\n";
+			}
+//canonicalized version
+			$result= ut_loc_locale_filter_matches( $lang_tag , $loc_range , !($isCanonical));
+			$can_loc_range = ut_loc_canonicalize($loc_range);
+			$can_lang_tag = ut_loc_canonicalize($lang_tag);
+			$res_str .= "loc_range:$can_loc_range canonically matches lang_tag $can_lang_tag ? ";
+			if( $result){	
+				$res_str .= "YES\n";
+			}else{
+				$res_str .= "NO\n";
+			}
+		}
+	}
+
+	$res_str .= "\n";
+    return $res_str;
+
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+
+?>
+--EXPECT--
+--------------
+loc_range:de-de matches lang_tag de-DEVA ? NO
+loc_range:de_DE canonically matches lang_tag de_Deva ? NO
+--------------
+loc_range:de-de matches lang_tag de-DE-1996 ? YES
+loc_range:de_DE canonically matches lang_tag de_DE_1996 ? YES
+--------------
+loc_range:de-de matches lang_tag de-DE ? YES
+loc_range:de_DE canonically matches lang_tag de_DE ? YES
+--------------
+loc_range:de-de matches lang_tag zh_Hans ? NO
+loc_range:de_DE canonically matches lang_tag zh_Hans ? NO
+--------------
+loc_range:de-de matches lang_tag de-CH-1996 ? NO
+loc_range:de_DE canonically matches lang_tag de_CH_1996 ? NO
+--------------
+loc_range:de-de matches lang_tag sl_IT ? NO
+loc_range:de_DE canonically matches lang_tag sl_IT ? NO
+--------------
+loc_range:de-de matches lang_tag sl_IT_nedis-a-kirti-x-xyz ? NO
+loc_range:de_DE canonically matches lang_tag sl_IT_NEDIS_A_KIRTI_X_XYZ ? NO
+--------------
+loc_range:de-de matches lang_tag sl_IT_rozaj ? NO
+loc_range:de_DE canonically matches lang_tag sl_IT_ROZAJ ? NO
+--------------
+loc_range:de-de matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? NO
+loc_range:de_DE canonically matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? NO
+--------------
+loc_range:de-de matches lang_tag i-enochian ? NO
+loc_range:de_DE canonically matches lang_tag @x=i-enochian ? NO
+--------------
+loc_range:de-de matches lang_tag sgn-CH-de ? NO
+loc_range:de_DE canonically matches lang_tag sgn_CH_DE ? NO
+--------------
+loc_range:de-de matches lang_tag art-lojban ? NO
+loc_range:de_DE canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:de-de matches lang_tag i-lux ? NO
+loc_range:de_DE canonically matches lang_tag lb ? NO
+--------------
+loc_range:de-de matches lang_tag art-lojban ? NO
+loc_range:de_DE canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:de-de matches lang_tag jbo ? NO
+loc_range:de_DE canonically matches lang_tag jbo ? NO
+--------------
+loc_range:de-de matches lang_tag en_sl_IT ? NO
+loc_range:de_DE canonically matches lang_tag en_SL_IT ? NO
+--------------
+loc_range:sl_IT matches lang_tag de-DEVA ? NO
+loc_range:sl_IT canonically matches lang_tag de_Deva ? NO
+--------------
+loc_range:sl_IT matches lang_tag de-DE-1996 ? NO
+loc_range:sl_IT canonically matches lang_tag de_DE_1996 ? NO
+--------------
+loc_range:sl_IT matches lang_tag de-DE ? NO
+loc_range:sl_IT canonically matches lang_tag de_DE ? NO
+--------------
+loc_range:sl_IT matches lang_tag zh_Hans ? NO
+loc_range:sl_IT canonically matches lang_tag zh_Hans ? NO
+--------------
+loc_range:sl_IT matches lang_tag de-CH-1996 ? NO
+loc_range:sl_IT canonically matches lang_tag de_CH_1996 ? NO
+--------------
+loc_range:sl_IT matches lang_tag sl_IT ? YES
+loc_range:sl_IT canonically matches lang_tag sl_IT ? YES
+--------------
+loc_range:sl_IT matches lang_tag sl_IT_nedis-a-kirti-x-xyz ? YES
+loc_range:sl_IT canonically matches lang_tag sl_IT_NEDIS_A_KIRTI_X_XYZ ? YES
+--------------
+loc_range:sl_IT matches lang_tag sl_IT_rozaj ? YES
+loc_range:sl_IT canonically matches lang_tag sl_IT_ROZAJ ? YES
+--------------
+loc_range:sl_IT matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? YES
+loc_range:sl_IT canonically matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? YES
+--------------
+loc_range:sl_IT matches lang_tag i-enochian ? NO
+loc_range:sl_IT canonically matches lang_tag @x=i-enochian ? NO
+--------------
+loc_range:sl_IT matches lang_tag sgn-CH-de ? NO
+loc_range:sl_IT canonically matches lang_tag sgn_CH_DE ? NO
+--------------
+loc_range:sl_IT matches lang_tag art-lojban ? NO
+loc_range:sl_IT canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:sl_IT matches lang_tag i-lux ? NO
+loc_range:sl_IT canonically matches lang_tag lb ? NO
+--------------
+loc_range:sl_IT matches lang_tag art-lojban ? NO
+loc_range:sl_IT canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:sl_IT matches lang_tag jbo ? NO
+loc_range:sl_IT canonically matches lang_tag jbo ? NO
+--------------
+loc_range:sl_IT matches lang_tag en_sl_IT ? NO
+loc_range:sl_IT canonically matches lang_tag en_SL_IT ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag de-DEVA ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag de_Deva ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag de-DE-1996 ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag de_DE_1996 ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag de-DE ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag de_DE ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag zh_Hans ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag zh_Hans ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag de-CH-1996 ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag de_CH_1996 ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag sl_IT ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag sl_IT ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag sl_IT_nedis-a-kirti-x-xyz ? YES
+loc_range:sl_IT_NEDIS canonically matches lang_tag sl_IT_NEDIS_A_KIRTI_X_XYZ ? YES
+--------------
+loc_range:sl_IT_Nedis matches lang_tag sl_IT_rozaj ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag sl_IT_ROZAJ ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? YES
+loc_range:sl_IT_NEDIS canonically matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? YES
+--------------
+loc_range:sl_IT_Nedis matches lang_tag i-enochian ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag @x=i-enochian ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag sgn-CH-de ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag sgn_CH_DE ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag art-lojban ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag i-lux ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag lb ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag art-lojban ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag jbo ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag jbo ? NO
+--------------
+loc_range:sl_IT_Nedis matches lang_tag en_sl_IT ? NO
+loc_range:sl_IT_NEDIS canonically matches lang_tag en_SL_IT ? NO
+--------------
+loc_range:jbo matches lang_tag de-DEVA ? NO
+loc_range:jbo canonically matches lang_tag de_Deva ? NO
+--------------
+loc_range:jbo matches lang_tag de-DE-1996 ? NO
+loc_range:jbo canonically matches lang_tag de_DE_1996 ? NO
+--------------
+loc_range:jbo matches lang_tag de-DE ? NO
+loc_range:jbo canonically matches lang_tag de_DE ? NO
+--------------
+loc_range:jbo matches lang_tag zh_Hans ? NO
+loc_range:jbo canonically matches lang_tag zh_Hans ? NO
+--------------
+loc_range:jbo matches lang_tag de-CH-1996 ? NO
+loc_range:jbo canonically matches lang_tag de_CH_1996 ? NO
+--------------
+loc_range:jbo matches lang_tag sl_IT ? NO
+loc_range:jbo canonically matches lang_tag sl_IT ? NO
+--------------
+loc_range:jbo matches lang_tag sl_IT_nedis-a-kirti-x-xyz ? NO
+loc_range:jbo canonically matches lang_tag sl_IT_NEDIS_A_KIRTI_X_XYZ ? NO
+--------------
+loc_range:jbo matches lang_tag sl_IT_rozaj ? NO
+loc_range:jbo canonically matches lang_tag sl_IT_ROZAJ ? NO
+--------------
+loc_range:jbo matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? NO
+loc_range:jbo canonically matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? NO
+--------------
+loc_range:jbo matches lang_tag i-enochian ? NO
+loc_range:jbo canonically matches lang_tag @x=i-enochian ? NO
+--------------
+loc_range:jbo matches lang_tag sgn-CH-de ? NO
+loc_range:jbo canonically matches lang_tag sgn_CH_DE ? NO
+--------------
+loc_range:jbo matches lang_tag art-lojban ? NO
+loc_range:jbo canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:jbo matches lang_tag i-lux ? NO
+loc_range:jbo canonically matches lang_tag lb ? NO
+--------------
+loc_range:jbo matches lang_tag art-lojban ? NO
+loc_range:jbo canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:jbo matches lang_tag jbo ? YES
+loc_range:jbo canonically matches lang_tag jbo ? YES
+--------------
+loc_range:jbo matches lang_tag en_sl_IT ? NO
+loc_range:jbo canonically matches lang_tag en_SL_IT ? NO
+--------------
+loc_range:art-lojban matches lang_tag de-DEVA ? NO
+loc_range:art__LOJBAN canonically matches lang_tag de_Deva ? NO
+--------------
+loc_range:art-lojban matches lang_tag de-DE-1996 ? NO
+loc_range:art__LOJBAN canonically matches lang_tag de_DE_1996 ? NO
+--------------
+loc_range:art-lojban matches lang_tag de-DE ? NO
+loc_range:art__LOJBAN canonically matches lang_tag de_DE ? NO
+--------------
+loc_range:art-lojban matches lang_tag zh_Hans ? NO
+loc_range:art__LOJBAN canonically matches lang_tag zh_Hans ? NO
+--------------
+loc_range:art-lojban matches lang_tag de-CH-1996 ? NO
+loc_range:art__LOJBAN canonically matches lang_tag de_CH_1996 ? NO
+--------------
+loc_range:art-lojban matches lang_tag sl_IT ? NO
+loc_range:art__LOJBAN canonically matches lang_tag sl_IT ? NO
+--------------
+loc_range:art-lojban matches lang_tag sl_IT_nedis-a-kirti-x-xyz ? NO
+loc_range:art__LOJBAN canonically matches lang_tag sl_IT_NEDIS_A_KIRTI_X_XYZ ? NO
+--------------
+loc_range:art-lojban matches lang_tag sl_IT_rozaj ? NO
+loc_range:art__LOJBAN canonically matches lang_tag sl_IT_ROZAJ ? NO
+--------------
+loc_range:art-lojban matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? NO
+loc_range:art__LOJBAN canonically matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? NO
+--------------
+loc_range:art-lojban matches lang_tag i-enochian ? NO
+loc_range:art__LOJBAN canonically matches lang_tag @x=i-enochian ? NO
+--------------
+loc_range:art-lojban matches lang_tag sgn-CH-de ? NO
+loc_range:art__LOJBAN canonically matches lang_tag sgn_CH_DE ? NO
+--------------
+loc_range:art-lojban matches lang_tag art-lojban ? YES
+loc_range:art__LOJBAN canonically matches lang_tag art__LOJBAN ? YES
+--------------
+loc_range:art-lojban matches lang_tag i-lux ? NO
+loc_range:art__LOJBAN canonically matches lang_tag lb ? NO
+--------------
+loc_range:art-lojban matches lang_tag art-lojban ? YES
+loc_range:art__LOJBAN canonically matches lang_tag art__LOJBAN ? YES
+--------------
+loc_range:art-lojban matches lang_tag jbo ? NO
+loc_range:art__LOJBAN canonically matches lang_tag jbo ? NO
+--------------
+loc_range:art-lojban matches lang_tag en_sl_IT ? NO
+loc_range:art__LOJBAN canonically matches lang_tag en_SL_IT ? NO
+--------------
+loc_range:sl_IT matches lang_tag de-DEVA ? NO
+loc_range:sl_IT canonically matches lang_tag de_Deva ? NO
+--------------
+loc_range:sl_IT matches lang_tag de-DE-1996 ? NO
+loc_range:sl_IT canonically matches lang_tag de_DE_1996 ? NO
+--------------
+loc_range:sl_IT matches lang_tag de-DE ? NO
+loc_range:sl_IT canonically matches lang_tag de_DE ? NO
+--------------
+loc_range:sl_IT matches lang_tag zh_Hans ? NO
+loc_range:sl_IT canonically matches lang_tag zh_Hans ? NO
+--------------
+loc_range:sl_IT matches lang_tag de-CH-1996 ? NO
+loc_range:sl_IT canonically matches lang_tag de_CH_1996 ? NO
+--------------
+loc_range:sl_IT matches lang_tag sl_IT ? YES
+loc_range:sl_IT canonically matches lang_tag sl_IT ? YES
+--------------
+loc_range:sl_IT matches lang_tag sl_IT_nedis-a-kirti-x-xyz ? YES
+loc_range:sl_IT canonically matches lang_tag sl_IT_NEDIS_A_KIRTI_X_XYZ ? YES
+--------------
+loc_range:sl_IT matches lang_tag sl_IT_rozaj ? YES
+loc_range:sl_IT canonically matches lang_tag sl_IT_ROZAJ ? YES
+--------------
+loc_range:sl_IT matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? YES
+loc_range:sl_IT canonically matches lang_tag sl_IT_NEDIS_ROJAZ_1901 ? YES
+--------------
+loc_range:sl_IT matches lang_tag i-enochian ? NO
+loc_range:sl_IT canonically matches lang_tag @x=i-enochian ? NO
+--------------
+loc_range:sl_IT matches lang_tag sgn-CH-de ? NO
+loc_range:sl_IT canonically matches lang_tag sgn_CH_DE ? NO
+--------------
+loc_range:sl_IT matches lang_tag art-lojban ? NO
+loc_range:sl_IT canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:sl_IT matches lang_tag i-lux ? NO
+loc_range:sl_IT canonically matches lang_tag lb ? NO
+--------------
+loc_range:sl_IT matches lang_tag art-lojban ? NO
+loc_range:sl_IT canonically matches lang_tag art__LOJBAN ? NO
+--------------
+loc_range:sl_IT matches lang_tag jbo ? NO
+loc_range:sl_IT canonically matches lang_tag jbo ? NO
+--------------
+loc_range:sl_IT matches lang_tag en_sl_IT ? NO
+loc_range:sl_IT canonically matches lang_tag en_SL_IT ? NO
diff --git a/ext/intl/tests/locale_get_display_name2.phpt b/ext/intl/tests/locale_get_display_name2.phpt
index 40ccc0c2c5..bd8cb50cd5 100644
--- a/ext/intl/tests/locale_get_display_name2.phpt
+++ b/ext/intl/tests/locale_get_display_name2.phpt
@@ -1,8 +1,9 @@
 --TEST--
-locale_get_display_name() icu >= 4.8
+locale_get_display_name() icu >= 4.8 && icu < 51.2
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
 <?php if(version_compare(INTL_ICU_VERSION, '4.8') < 0) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/locale_get_display_name3.phpt b/ext/intl/tests/locale_get_display_name3.phpt
new file mode 100644
index 0000000000..0340f14b2c
--- /dev/null
+++ b/ext/intl/tests/locale_get_display_name3.phpt
@@ -0,0 +1,342 @@
+--TEST--
+locale_get_display_name() icu >= 51.2
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0 || version_compare(INTL_ICU_VERSION, '52.1') >= 0) die('skip for ICU >= 51.2 and < 52.1'); ?>
+--FILE--
+<?php
+
+/*
+ * Try getting the display_name for different locales
+ * with Procedural and Object methods.
+ */
+
+function ut_main()
+{
+    $res_str='';
+
+	$disp_locales=array('en','fr','de');
+
+    $locales = array(
+        'sl_IT_nedis_KIRTI',
+        'sl_IT_nedis-a-kirti-x-xyz',
+        'sl_IT_rozaj',
+        'sl_IT_NEDIS_ROJAZ_1901',
+        'i-enochian',
+        'zh-hakka',
+        'zh-wuu',
+        'i-tay',
+        'sgn-BE-nl',
+        'sgn-CH-de',
+        'sl_IT_rozaj@currency=EUR',
+        'uk-ua_CALIFORNIA@currency=;currency=GRN',
+        'root',
+        'uk@currency=EURO',
+        'Hindi',
+//Simple language subtag
+        'de',
+        'fr',
+        'ja',
+        'i-enochian', //(example of a grandfathered tag)
+//Language subtag plus Script subtag:
+        'zh-Hant',
+        'zh-Hans',
+        'sr-Cyrl',
+        'sr-Latn',
+//Language-Script-Region
+        'zh-Hans-CN',
+        'sr-Latn-CS',
+//Language-Variant
+        'sl-rozaj',
+        'sl-nedis',
+//Language-Region-Variant
+        'de-CH-1901',
+        'sl-IT-nedis',
+//Language-Script-Region-Variant
+        'sl-Latn-IT-nedis',
+//Language-Region:
+        'de-DE',
+        'en-US',
+        'es-419',
+//Private use subtags:
+        'de-CH-x-phonebk',
+        'az-Arab-x-AZE-derbend',
+//Extended language subtags
+        'zh-min',
+        'zh-min-nan-Hant-CN',
+//Private use registry values
+        'x-whatever',
+        'qaa-Qaaa-QM-x-southern',
+        'sr-Latn-QM',
+        'sr-Qaaa-CS',
+/*Tags that use extensions (examples ONLY: extensions MUST be defined
+   by revision or update to this document or by RFC): */
+        'en-US-u-islamCal',
+        'zh-CN-a-myExt-x-private',
+        'en-a-myExt-b-another',
+//Some Invalid Tags:
+        'de-419-DE',
+        'a-DE',
+        'ar-a-aaa-b-bbb-a-ccc'
+    );
+
+
+    $res_str = '';
+
+   	foreach( $locales as $locale )
+    {
+       	$res_str .= "locale='$locale'\n";
+   		foreach( $disp_locales as $disp_locale )
+    	{
+        	$scr = ut_loc_get_display_name( $locale ,$disp_locale );
+		$scr = str_replace(array('(', ')'), '#', $scr); 
+        	$res_str .= "disp_locale=$disp_locale :  display_name=$scr";
+        	$res_str .= "\n";
+		} 
+        $res_str .= "-----------------\n";
+    }
+
+    return $res_str;
+
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+
+?>
+--EXPECTREGEX--
+locale='sl_IT_nedis_KIRTI'
+disp_locale=en :  display_name=Slovenian #Italy, NEDIS_KIRTI#
+disp_locale=fr :  display_name=slovène #Italie, NEDIS_KIRTI#
+disp_locale=de :  display_name=Slowenisch #Italien, NEDIS_KIRTI#
+-----------------
+locale='sl_IT_nedis-a-kirti-x-xyz'
+disp_locale=en :  display_name=Slovenian #Italy, NEDIS_A_KIRTI_X_XYZ#
+disp_locale=fr :  display_name=slovène #Italie, NEDIS_A_KIRTI_X_XYZ#
+disp_locale=de :  display_name=Slowenisch #Italien, NEDIS_A_KIRTI_X_XYZ#
+-----------------
+locale='sl_IT_rozaj'
+disp_locale=en :  display_name=Slovenian #Italy, Resian#
+disp_locale=fr :  display_name=slovène #Italie, dialecte de Resia#
+disp_locale=de :  display_name=Slowenisch #Italien, (ROZAJ|Resianisch)#
+-----------------
+locale='sl_IT_NEDIS_ROJAZ_1901'
+disp_locale=en :  display_name=Slovenian #Italy, NEDIS_ROJAZ_1901#
+disp_locale=fr :  display_name=slovène #Italie, NEDIS_ROJAZ_1901#
+disp_locale=de :  display_name=Slowenisch #Italien, NEDIS_ROJAZ_1901#
+-----------------
+locale='i-enochian'
+disp_locale=en :  display_name=i-enochian #Private-Use=i-enochian#
+disp_locale=fr :  display_name=i-enochian #Usage privé=i-enochian#
+disp_locale=de :  display_name=i-enochian #Privatnutzung=i-enochian#
+-----------------
+locale='zh-hakka'
+disp_locale=en :  display_name=Chinese( #HAKKA#)?
+disp_locale=fr :  display_name=chinois( #HAKKA#)?
+disp_locale=de :  display_name=Chinesisch( #HAKKA#)?
+-----------------
+locale='zh-wuu'
+disp_locale=en :  display_name=Chinese #WUU#
+disp_locale=fr :  display_name=chinois #WUU#
+disp_locale=de :  display_name=Chinesisch #WUU#
+-----------------
+locale='i-tay'
+disp_locale=en :  display_name=i-tay
+disp_locale=fr :  display_name=i-tay
+disp_locale=de :  display_name=i-tay
+-----------------
+locale='sgn-BE-nl'
+disp_locale=en :  display_name=Sign Languages? #Belgium, NL#
+disp_locale=fr :  display_name=langues? des signes #Belgique, NL#
+disp_locale=de :  display_name=Gebärdensprache #Belgien, NL#
+-----------------
+locale='sgn-CH-de'
+disp_locale=en :  display_name=Sign Languages? #Switzerland, DE#
+disp_locale=fr :  display_name=langues? des signes #Suisse, DE#
+disp_locale=de :  display_name=Gebärdensprache #Schweiz, DE#
+-----------------
+locale='sl_IT_rozaj@currency=EUR'
+disp_locale=en :  display_name=Slovenian #Italy, Resian, [Cc]urrency=Euro#
+disp_locale=fr :  display_name=slovène #Italie, dialecte de Resia, [Dd]evise=euro#
+disp_locale=de :  display_name=Slowenisch #Italien, (ROZAJ|Resianisch), Währung=Euro#
+-----------------
+locale='uk-ua_CALIFORNIA@currency=;currency=GRN'
+disp_locale=en :  display_name=Ukrainian #Ukraine, CALIFORNIA, [Cc]urrency#
+disp_locale=fr :  display_name=ukrainien #Ukraine, CALIFORNIA, [Dd]evise#
+disp_locale=de :  display_name=Ukrainisch #Ukraine, CALIFORNIA, Währung#
+-----------------
+locale='root'
+disp_locale=en :  display_name=Root
+disp_locale=fr :  display_name=racine
+disp_locale=de :  display_name=[Rr]oot
+-----------------
+locale='uk@currency=EURO'
+disp_locale=en :  display_name=Ukrainian #[Cc]urrency=EURO#
+disp_locale=fr :  display_name=ukrainien #[Dd]evise=EURO#
+disp_locale=de :  display_name=Ukrainisch #Währung=EURO#
+-----------------
+locale='Hindi'
+disp_locale=en :  display_name=hindi
+disp_locale=fr :  display_name=hindi
+disp_locale=de :  display_name=hindi
+-----------------
+locale='de'
+disp_locale=en :  display_name=German
+disp_locale=fr :  display_name=allemand
+disp_locale=de :  display_name=Deutsch
+-----------------
+locale='fr'
+disp_locale=en :  display_name=French
+disp_locale=fr :  display_name=français
+disp_locale=de :  display_name=Französisch
+-----------------
+locale='ja'
+disp_locale=en :  display_name=Japanese
+disp_locale=fr :  display_name=japonais
+disp_locale=de :  display_name=Japanisch
+-----------------
+locale='i-enochian'
+disp_locale=en :  display_name=i-enochian #Private-Use=i-enochian#
+disp_locale=fr :  display_name=i-enochian #Usage privé=i-enochian#
+disp_locale=de :  display_name=i-enochian #Privatnutzung=i-enochian#
+-----------------
+locale='zh-Hant'
+disp_locale=en :  display_name=Chinese #Traditional#
+disp_locale=fr :  display_name=chinois #traditionnel#
+disp_locale=de :  display_name=Chinesisch #Traditionell#
+-----------------
+locale='zh-Hans'
+disp_locale=en :  display_name=Chinese #Simplified#
+disp_locale=fr :  display_name=chinois #simplifié#
+disp_locale=de :  display_name=Chinesisch #Vereinfacht#
+-----------------
+locale='sr-Cyrl'
+disp_locale=en :  display_name=Serbian #Cyrillic#
+disp_locale=fr :  display_name=serbe #cyrillique#
+disp_locale=de :  display_name=Serbisch #Kyrillisch#
+-----------------
+locale='sr-Latn'
+disp_locale=en :  display_name=Serbian #Latin#
+disp_locale=fr :  display_name=serbe #latin#
+disp_locale=de :  display_name=Serbisch #Lateinisch#
+-----------------
+locale='zh-Hans-CN'
+disp_locale=en :  display_name=Chinese #Simplified, China#
+disp_locale=fr :  display_name=chinois #simplifié, Chine#
+disp_locale=de :  display_name=Chinesisch #Vereinfacht, China#
+-----------------
+locale='sr-Latn-CS'
+disp_locale=en :  display_name=Serbian #Latin, Serbia#
+disp_locale=fr :  display_name=serbe #latin, Serbie#
+disp_locale=de :  display_name=Serbisch #Lateinisch, Serbien#
+-----------------
+locale='sl-rozaj'
+disp_locale=en :  display_name=Slovenian #Resian#
+disp_locale=fr :  display_name=slovène #dialecte de Resia#
+disp_locale=de :  display_name=Slowenisch( #(ROZAJ|Resianisch)#)?
+-----------------
+locale='sl-nedis'
+disp_locale=en :  display_name=Slovenian #Natisone dialect#
+disp_locale=fr :  display_name=slovène #dialecte de Natisone#
+disp_locale=de :  display_name=Slowenisch #Natisone-Dialekt#
+-----------------
+locale='de-CH-1901'
+disp_locale=en :  display_name=German #Switzerland, Traditional German orthography#
+disp_locale=fr :  display_name=allemand #Suisse, orthographe allemande traditionnelle#
+disp_locale=de :  display_name=Deutsch #Schweiz, (1901|[aA]lte deutsche Rechtschreibung)#
+-----------------
+locale='sl-IT-nedis'
+disp_locale=en :  display_name=Slovenian #Italy, Natisone dialect#
+disp_locale=fr :  display_name=slovène #Italie, dialecte de Natisone#
+disp_locale=de :  display_name=Slowenisch #Italien, (NEDIS|Natisone-Dialekt)#
+-----------------
+locale='sl-Latn-IT-nedis'
+disp_locale=en :  display_name=Slovenian #Latin, Italy, Natisone dialect#
+disp_locale=fr :  display_name=slovène #latin, Italie, dialecte de Natisone#
+disp_locale=de :  display_name=Slowenisch #Lateinisch, Italien, (NEDIS|Natisone-Dialekt)#
+-----------------
+locale='de-DE'
+disp_locale=en :  display_name=German #Germany#
+disp_locale=fr :  display_name=allemand #Allemagne#
+disp_locale=de :  display_name=Deutsch #Deutschland#
+-----------------
+locale='en-US'
+disp_locale=en :  display_name=English #United States#
+disp_locale=fr :  display_name=anglais #États-Unis#
+disp_locale=de :  display_name=Englisch #Vereinigte Staaten#
+-----------------
+locale='es-419'
+disp_locale=en :  display_name=Spanish #Latin America#
+disp_locale=fr :  display_name=espagnol #Amérique latine#
+disp_locale=de :  display_name=Spanisch #Lateinamerika#
+-----------------
+locale='de-CH-x-phonebk'
+disp_locale=en :  display_name=German #Switzerland, Private-Use=phonebk#
+disp_locale=fr :  display_name=allemand #Suisse, Usage privé=phonebk#
+disp_locale=de :  display_name=Deutsch #Schweiz, Privatnutzung=phonebk#
+-----------------
+locale='az-Arab-x-AZE-derbend'
+disp_locale=en :  display_name=Azerbaijani #Arabic, Private-Use=aze-derbend#
+disp_locale=fr :  display_name=azéri #arabe, Usage privé=aze-derbend#
+disp_locale=de :  display_name=Aserbaidschanisch #Arabisch, Privatnutzung=aze-derbend#
+-----------------
+locale='zh-min'
+disp_locale=en :  display_name=Chinese #MIN#
+disp_locale=fr :  display_name=chinois #MIN#
+disp_locale=de :  display_name=Chinesisch #MIN#
+-----------------
+locale='zh-min-nan-Hant-CN'
+disp_locale=en :  display_name=Chinese #MIN, NAN_HANT_CN#
+disp_locale=fr :  display_name=chinois #MIN, NAN_HANT_CN#
+disp_locale=de :  display_name=Chinesisch #MIN, NAN_HANT_CN#
+-----------------
+locale='x-whatever'
+disp_locale=en :  display_name=x-whatever #Private-Use=whatever#
+disp_locale=fr :  display_name=x-whatever #Usage privé=whatever#
+disp_locale=de :  display_name=x-whatever #Privatnutzung=whatever#
+-----------------
+locale='qaa-Qaaa-QM-x-southern'
+disp_locale=en :  display_name=qaa #Qaaa, QM, Private-Use=southern#
+disp_locale=fr :  display_name=qaa #Qaaa, QM, Usage privé=southern#
+disp_locale=de :  display_name=qaa #Qaaa, QM, Privatnutzung=southern#
+-----------------
+locale='sr-Latn-QM'
+disp_locale=en :  display_name=Serbian #Latin, QM#
+disp_locale=fr :  display_name=serbe #latin, QM#
+disp_locale=de :  display_name=Serbisch #Lateinisch, QM#
+-----------------
+locale='sr-Qaaa-CS'
+disp_locale=en :  display_name=Serbian #Qaaa, Serbia#
+disp_locale=fr :  display_name=serbe #Qaaa, Serbie#
+disp_locale=de :  display_name=Serbisch #Qaaa, Serbien#
+-----------------
+locale='en-US-u-islamCal'
+disp_locale=en :  display_name=English #United States, attribute=islamcal#
+disp_locale=fr :  display_name=anglais #États-Unis, attribute=islamcal#
+disp_locale=de :  display_name=Englisch #Vereinigte Staaten, attribute=islamcal#
+-----------------
+locale='zh-CN-a-myExt-x-private'
+disp_locale=en :  display_name=Chinese #China, a=myext, Private-Use=private#
+disp_locale=fr :  display_name=chinois #Chine, a=myext, Usage privé=private#
+disp_locale=de :  display_name=Chinesisch #China, a=myext, Privatnutzung=private#
+-----------------
+locale='en-a-myExt-b-another'
+disp_locale=en :  display_name=English #a=myext, b=another#
+disp_locale=fr :  display_name=anglais #a=myext, b=another#
+disp_locale=de :  display_name=Englisch #a=myext, b=another#
+-----------------
+locale='de-419-DE'
+disp_locale=en :  display_name=German #Latin America, DE#
+disp_locale=fr :  display_name=allemand #Amérique latine, DE#
+disp_locale=de :  display_name=Deutsch #Lateinamerika, DE#
+-----------------
+locale='a-DE'
+disp_locale=en :  display_name=a #Germany#
+disp_locale=fr :  display_name=a #Allemagne#
+disp_locale=de :  display_name=a #Deutschland#
+-----------------
+locale='ar-a-aaa-b-bbb-a-ccc'
+disp_locale=en :  display_name=Arabic #a=aaa, b=bbb#
+disp_locale=fr :  display_name=arabe #a=aaa, b=bbb#
+disp_locale=de :  display_name=Arabisch #a=aaa, b=bbb#
+-----------------
diff --git a/ext/intl/tests/locale_get_display_name4.phpt b/ext/intl/tests/locale_get_display_name4.phpt
new file mode 100644
index 0000000000..4b3255c0f6
--- /dev/null
+++ b/ext/intl/tests/locale_get_display_name4.phpt
@@ -0,0 +1,343 @@
+--TEST--
+locale_get_display_name() icu >= 52.1 && icu < 53.1
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '52.1') < 0) die('skip for ICU >= 52.1'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '53.1') >=  0) die('skip for ICU < 53.1'); ?>
+--FILE--
+<?php
+
+/*
+ * Try getting the display_name for different locales
+ * with Procedural and Object methods.
+ */
+
+function ut_main()
+{
+    $res_str='';
+
+	$disp_locales=array('en','fr','de');
+
+    $locales = array(
+        'sl_IT_nedis_KIRTI',
+        'sl_IT_nedis-a-kirti-x-xyz',
+        'sl_IT_rozaj',
+        'sl_IT_NEDIS_ROJAZ_1901',
+        'i-enochian',
+        'zh-hakka',
+        'zh-wuu',
+        'i-tay',
+        'sgn-BE-nl',
+        'sgn-CH-de',
+        'sl_IT_rozaj@currency=EUR',
+        'uk-ua_CALIFORNIA@currency=;currency=GRN',
+        'root',
+        'uk@currency=EURO',
+        'Hindi',
+//Simple language subtag
+        'de',
+        'fr',
+        'ja',
+        'i-enochian', //(example of a grandfathered tag)
+//Language subtag plus Script subtag:
+        'zh-Hant',
+        'zh-Hans',
+        'sr-Cyrl',
+        'sr-Latn',
+//Language-Script-Region
+        'zh-Hans-CN',
+        'sr-Latn-CS',
+//Language-Variant
+        'sl-rozaj',
+        'sl-nedis',
+//Language-Region-Variant
+        'de-CH-1901',
+        'sl-IT-nedis',
+//Language-Script-Region-Variant
+        'sl-Latn-IT-nedis',
+//Language-Region:
+        'de-DE',
+        'en-US',
+        'es-419',
+//Private use subtags:
+        'de-CH-x-phonebk',
+        'az-Arab-x-AZE-derbend',
+//Extended language subtags
+        'zh-min',
+        'zh-min-nan-Hant-CN',
+//Private use registry values
+        'x-whatever',
+        'qaa-Qaaa-QM-x-southern',
+        'sr-Latn-QM',
+        'sr-Qaaa-CS',
+/*Tags that use extensions (examples ONLY: extensions MUST be defined
+   by revision or update to this document or by RFC): */
+        'en-US-u-islamCal',
+        'zh-CN-a-myExt-x-private',
+        'en-a-myExt-b-another',
+//Some Invalid Tags:
+        'de-419-DE',
+        'a-DE',
+        'ar-a-aaa-b-bbb-a-ccc'
+    );
+
+
+    $res_str = '';
+
+   	foreach( $locales as $locale )
+    {
+       	$res_str .= "locale='$locale'\n";
+   		foreach( $disp_locales as $disp_locale )
+    	{
+        	$scr = ut_loc_get_display_name( $locale ,$disp_locale );
+		$scr = str_replace(array('(', ')'), '#', $scr); 
+        	$res_str .= "disp_locale=$disp_locale :  display_name=$scr";
+        	$res_str .= "\n";
+		} 
+        $res_str .= "-----------------\n";
+    }
+
+    return $res_str;
+
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+
+?>
+--EXPECTREGEX--
+locale='sl_IT_nedis_KIRTI'
+disp_locale=en :  display_name=Slovenian #Italy, NEDIS_KIRTI#
+disp_locale=fr :  display_name=slovène #Italie, NEDIS_KIRTI#
+disp_locale=de :  display_name=Slowenisch #Italien, NEDIS_KIRTI#
+-----------------
+locale='sl_IT_nedis-a-kirti-x-xyz'
+disp_locale=en :  display_name=Slovenian #Italy, NEDIS_A_KIRTI_X_XYZ#
+disp_locale=fr :  display_name=slovène #Italie, NEDIS_A_KIRTI_X_XYZ#
+disp_locale=de :  display_name=Slowenisch #Italien, NEDIS_A_KIRTI_X_XYZ#
+-----------------
+locale='sl_IT_rozaj'
+disp_locale=en :  display_name=Slovenian #Italy, Resian#
+disp_locale=fr :  display_name=slovène #Italie, dialecte de Resia#
+disp_locale=de :  display_name=Slowenisch #Italien, (ROZAJ|Resianisch)#
+-----------------
+locale='sl_IT_NEDIS_ROJAZ_1901'
+disp_locale=en :  display_name=Slovenian #Italy, NEDIS_ROJAZ_1901#
+disp_locale=fr :  display_name=slovène #Italie, NEDIS_ROJAZ_1901#
+disp_locale=de :  display_name=Slowenisch #Italien, NEDIS_ROJAZ_1901#
+-----------------
+locale='i-enochian'
+disp_locale=en :  display_name=i-enochian #Private-Use=i-enochian#
+disp_locale=fr :  display_name=i-enochian #Usage privé=i-enochian#
+disp_locale=de :  display_name=i-enochian #Privatnutzung=i-enochian#
+-----------------
+locale='zh-hakka'
+disp_locale=en :  display_name=Chinese( #HAKKA#)?
+disp_locale=fr :  display_name=chinois( #HAKKA#)?
+disp_locale=de :  display_name=Chinesisch( #HAKKA#)?
+-----------------
+locale='zh-wuu'
+disp_locale=en :  display_name=Chinese #WUU#
+disp_locale=fr :  display_name=chinois #WUU#
+disp_locale=de :  display_name=Chinesisch #WUU#
+-----------------
+locale='i-tay'
+disp_locale=en :  display_name=i-tay
+disp_locale=fr :  display_name=i-tay
+disp_locale=de :  display_name=i-tay
+-----------------
+locale='sgn-BE-nl'
+disp_locale=en :  display_name=Sign Languages? #Belgium, NL#
+disp_locale=fr :  display_name=langues? des signes #Belgique, NL#
+disp_locale=de :  display_name=Gebärdensprache #Belgien, NL#
+-----------------
+locale='sgn-CH-de'
+disp_locale=en :  display_name=Sign Languages? #Switzerland, DE#
+disp_locale=fr :  display_name=langues? des signes #Suisse, DE#
+disp_locale=de :  display_name=Gebärdensprache #Schweiz, DE#
+-----------------
+locale='sl_IT_rozaj@currency=EUR'
+disp_locale=en :  display_name=Slovenian #Italy, Resian, [Cc]urrency=Euro#
+disp_locale=fr :  display_name=slovène #Italie, dialecte de Resia, [Dd]evise=euro#
+disp_locale=de :  display_name=Slowenisch #Italien, (ROZAJ|Resianisch), Währung=Euro#
+-----------------
+locale='uk-ua_CALIFORNIA@currency=;currency=GRN'
+disp_locale=en :  display_name=
+disp_locale=fr :  display_name=
+disp_locale=de :  display_name=
+-----------------
+locale='root'
+disp_locale=en :  display_name=Root
+disp_locale=fr :  display_name=racine
+disp_locale=de :  display_name=[Rr]oot
+-----------------
+locale='uk@currency=EURO'
+disp_locale=en :  display_name=Ukrainian #[Cc]urrency=EURO#
+disp_locale=fr :  display_name=ukrainien #[Dd]evise=EURO#
+disp_locale=de :  display_name=Ukrainisch #Währung=EURO#
+-----------------
+locale='Hindi'
+disp_locale=en :  display_name=hindi
+disp_locale=fr :  display_name=hindi
+disp_locale=de :  display_name=hindi
+-----------------
+locale='de'
+disp_locale=en :  display_name=German
+disp_locale=fr :  display_name=allemand
+disp_locale=de :  display_name=Deutsch
+-----------------
+locale='fr'
+disp_locale=en :  display_name=French
+disp_locale=fr :  display_name=français
+disp_locale=de :  display_name=Französisch
+-----------------
+locale='ja'
+disp_locale=en :  display_name=Japanese
+disp_locale=fr :  display_name=japonais
+disp_locale=de :  display_name=Japanisch
+-----------------
+locale='i-enochian'
+disp_locale=en :  display_name=i-enochian #Private-Use=i-enochian#
+disp_locale=fr :  display_name=i-enochian #Usage privé=i-enochian#
+disp_locale=de :  display_name=i-enochian #Privatnutzung=i-enochian#
+-----------------
+locale='zh-Hant'
+disp_locale=en :  display_name=Chinese #Traditional#
+disp_locale=fr :  display_name=chinois #traditionnel#
+disp_locale=de :  display_name=Chinesisch #Traditionell#
+-----------------
+locale='zh-Hans'
+disp_locale=en :  display_name=Chinese #Simplified#
+disp_locale=fr :  display_name=chinois #simplifié#
+disp_locale=de :  display_name=Chinesisch #Vereinfacht#
+-----------------
+locale='sr-Cyrl'
+disp_locale=en :  display_name=Serbian #Cyrillic#
+disp_locale=fr :  display_name=serbe #cyrillique#
+disp_locale=de :  display_name=Serbisch #Kyrillisch#
+-----------------
+locale='sr-Latn'
+disp_locale=en :  display_name=Serbian #Latin#
+disp_locale=fr :  display_name=serbe #latin#
+disp_locale=de :  display_name=Serbisch #Lateinisch#
+-----------------
+locale='zh-Hans-CN'
+disp_locale=en :  display_name=Chinese #Simplified, China#
+disp_locale=fr :  display_name=chinois #simplifié, Chine#
+disp_locale=de :  display_name=Chinesisch #Vereinfacht, China#
+-----------------
+locale='sr-Latn-CS'
+disp_locale=en :  display_name=Serbian #Latin, Serbia#
+disp_locale=fr :  display_name=serbe #latin, Serbie#
+disp_locale=de :  display_name=Serbisch #Lateinisch, Serbien#
+-----------------
+locale='sl-rozaj'
+disp_locale=en :  display_name=Slovenian #Resian#
+disp_locale=fr :  display_name=slovène #dialecte de Resia#
+disp_locale=de :  display_name=Slowenisch( #(ROZAJ|Resianisch)#)?
+-----------------
+locale='sl-nedis'
+disp_locale=en :  display_name=Slovenian #Natisone dialect#
+disp_locale=fr :  display_name=slovène #dialecte de Natisone#
+disp_locale=de :  display_name=Slowenisch #Natisone-Dialekt#
+-----------------
+locale='de-CH-1901'
+disp_locale=en :  display_name=German #Switzerland, Traditional German orthography#
+disp_locale=fr :  display_name=allemand #Suisse, orthographe allemande traditionnelle#
+disp_locale=de :  display_name=Deutsch #Schweiz, (1901|[aA]lte deutsche Rechtschreibung)#
+-----------------
+locale='sl-IT-nedis'
+disp_locale=en :  display_name=Slovenian #Italy, Natisone dialect#
+disp_locale=fr :  display_name=slovène #Italie, dialecte de Natisone#
+disp_locale=de :  display_name=Slowenisch #Italien, (NEDIS|Natisone-Dialekt)#
+-----------------
+locale='sl-Latn-IT-nedis'
+disp_locale=en :  display_name=Slovenian #Latin, Italy, Natisone dialect#
+disp_locale=fr :  display_name=slovène #latin, Italie, dialecte de Natisone#
+disp_locale=de :  display_name=Slowenisch #Lateinisch, Italien, (NEDIS|Natisone-Dialekt)#
+-----------------
+locale='de-DE'
+disp_locale=en :  display_name=German #Germany#
+disp_locale=fr :  display_name=allemand #Allemagne#
+disp_locale=de :  display_name=Deutsch #Deutschland#
+-----------------
+locale='en-US'
+disp_locale=en :  display_name=English #United States#
+disp_locale=fr :  display_name=anglais #États-Unis#
+disp_locale=de :  display_name=Englisch #Vereinigte Staaten#
+-----------------
+locale='es-419'
+disp_locale=en :  display_name=Spanish #Latin America#
+disp_locale=fr :  display_name=espagnol #Amérique latine#
+disp_locale=de :  display_name=Spanisch #Lateinamerika#
+-----------------
+locale='de-CH-x-phonebk'
+disp_locale=en :  display_name=German #Switzerland, Private-Use=phonebk#
+disp_locale=fr :  display_name=allemand #Suisse, Usage privé=phonebk#
+disp_locale=de :  display_name=Deutsch #Schweiz, Privatnutzung=phonebk#
+-----------------
+locale='az-Arab-x-AZE-derbend'
+disp_locale=en :  display_name=Azerbaijani #Arabic, Private-Use=aze-derbend#
+disp_locale=fr :  display_name=azéri #arabe, Usage privé=aze-derbend#
+disp_locale=de :  display_name=Aserbaidschanisch #Arabisch, Privatnutzung=aze-derbend#
+-----------------
+locale='zh-min'
+disp_locale=en :  display_name=Chinese #MIN#
+disp_locale=fr :  display_name=chinois #MIN#
+disp_locale=de :  display_name=Chinesisch #MIN#
+-----------------
+locale='zh-min-nan-Hant-CN'
+disp_locale=en :  display_name=Chinese #MIN, NAN_HANT_CN#
+disp_locale=fr :  display_name=chinois #MIN, NAN_HANT_CN#
+disp_locale=de :  display_name=Chinesisch #MIN, NAN_HANT_CN#
+-----------------
+locale='x-whatever'
+disp_locale=en :  display_name=x-whatever #Private-Use=whatever#
+disp_locale=fr :  display_name=x-whatever #Usage privé=whatever#
+disp_locale=de :  display_name=x-whatever #Privatnutzung=whatever#
+-----------------
+locale='qaa-Qaaa-QM-x-southern'
+disp_locale=en :  display_name=qaa #Qaaa, QM, Private-Use=southern#
+disp_locale=fr :  display_name=qaa #Qaaa, QM, Usage privé=southern#
+disp_locale=de :  display_name=qaa #Qaaa, QM, Privatnutzung=southern#
+-----------------
+locale='sr-Latn-QM'
+disp_locale=en :  display_name=Serbian #Latin, QM#
+disp_locale=fr :  display_name=serbe #latin, QM#
+disp_locale=de :  display_name=Serbisch #Lateinisch, QM#
+-----------------
+locale='sr-Qaaa-CS'
+disp_locale=en :  display_name=Serbian #Qaaa, Serbia#
+disp_locale=fr :  display_name=serbe #Qaaa, Serbie#
+disp_locale=de :  display_name=Serbisch #Qaaa, Serbien#
+-----------------
+locale='en-US-u-islamCal'
+disp_locale=en :  display_name=English #United States, attribute=islamcal#
+disp_locale=fr :  display_name=anglais #États-Unis, attribute=islamcal#
+disp_locale=de :  display_name=Englisch #Vereinigte Staaten, attribute=islamcal#
+-----------------
+locale='zh-CN-a-myExt-x-private'
+disp_locale=en :  display_name=Chinese #China, a=myext, Private-Use=private#
+disp_locale=fr :  display_name=chinois #Chine, a=myext, Usage privé=private#
+disp_locale=de :  display_name=Chinesisch #China, a=myext, Privatnutzung=private#
+-----------------
+locale='en-a-myExt-b-another'
+disp_locale=en :  display_name=English #a=myext, b=another#
+disp_locale=fr :  display_name=anglais #a=myext, b=another#
+disp_locale=de :  display_name=Englisch #a=myext, b=another#
+-----------------
+locale='de-419-DE'
+disp_locale=en :  display_name=German #Latin America, DE#
+disp_locale=fr :  display_name=allemand #Amérique latine, DE#
+disp_locale=de :  display_name=Deutsch #Lateinamerika, DE#
+-----------------
+locale='a-DE'
+disp_locale=en :  display_name=a #Germany#
+disp_locale=fr :  display_name=a #Allemagne#
+disp_locale=de :  display_name=a #Deutschland#
+-----------------
+locale='ar-a-aaa-b-bbb-a-ccc'
+disp_locale=en :  display_name=Arabic #a=aaa, b=bbb#
+disp_locale=fr :  display_name=arabe #a=aaa, b=bbb#
+disp_locale=de :  display_name=Arabisch #a=aaa, b=bbb#
+-----------------
diff --git a/ext/intl/tests/locale_get_display_name5.phpt b/ext/intl/tests/locale_get_display_name5.phpt
new file mode 100644
index 0000000000..b633b1f62c
--- /dev/null
+++ b/ext/intl/tests/locale_get_display_name5.phpt
@@ -0,0 +1,342 @@
+--TEST--
+locale_get_display_name() icu >= 53.1
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '53.1') < 0) die('skip for ICU >= 53.1'); ?>
+--FILE--
+<?php
+
+/*
+ * Try getting the display_name for different locales
+ * with Procedural and Object methods.
+ */
+
+function ut_main()
+{
+    $res_str='';
+
+	$disp_locales=array('en','fr','de');
+
+    $locales = array(
+        'sl_IT_nedis_KIRTI',
+        'sl_IT_nedis-a-kirti-x-xyz',
+        'sl_IT_rozaj',
+        'sl_IT_NEDIS_ROJAZ_1901',
+        'i-enochian',
+        'zh-hakka',
+        'zh-wuu',
+        'i-tay',
+        'sgn-BE-nl',
+        'sgn-CH-de',
+        'sl_IT_rozaj@currency=EUR',
+        'uk-ua_CALIFORNIA@currency=;currency=GRN',
+        'root',
+        'uk@currency=EURO',
+        'Hindi',
+//Simple language subtag
+        'de',
+        'fr',
+        'ja',
+        'i-enochian', //(example of a grandfathered tag)
+//Language subtag plus Script subtag:
+        'zh-Hant',
+        'zh-Hans',
+        'sr-Cyrl',
+        'sr-Latn',
+//Language-Script-Region
+        'zh-Hans-CN',
+        'sr-Latn-CS',
+//Language-Variant
+        'sl-rozaj',
+        'sl-nedis',
+//Language-Region-Variant
+        'de-CH-1901',
+        'sl-IT-nedis',
+//Language-Script-Region-Variant
+        'sl-Latn-IT-nedis',
+//Language-Region:
+        'de-DE',
+        'en-US',
+        'es-419',
+//Private use subtags:
+        'de-CH-x-phonebk',
+        'az-Arab-x-AZE-derbend',
+//Extended language subtags
+        'zh-min',
+        'zh-min-nan-Hant-CN',
+//Private use registry values
+        'x-whatever',
+        'qaa-Qaaa-QM-x-southern',
+        'sr-Latn-QM',
+        'sr-Qaaa-CS',
+/*Tags that use extensions (examples ONLY: extensions MUST be defined
+   by revision or update to this document or by RFC): */
+        'en-US-u-islamCal',
+        'zh-CN-a-myExt-x-private',
+        'en-a-myExt-b-another',
+//Some Invalid Tags:
+        'de-419-DE',
+        'a-DE',
+        'ar-a-aaa-b-bbb-a-ccc'
+    );
+
+
+    $res_str = '';
+
+   	foreach( $locales as $locale )
+    {
+       	$res_str .= "locale='$locale'\n";
+   		foreach( $disp_locales as $disp_locale )
+    	{
+        	$scr = ut_loc_get_display_name( $locale ,$disp_locale );
+		$scr = str_replace(array('(', ')'), '#', $scr); 
+        	$res_str .= "disp_locale=$disp_locale :  display_name=$scr";
+        	$res_str .= "\n";
+		} 
+        $res_str .= "-----------------\n";
+    }
+
+    return $res_str;
+
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+
+?>
+--EXPECTREGEX--
+locale='sl_IT_nedis_KIRTI'
+disp_locale=en :  display_name=Slovenian #Italy, NEDIS_KIRTI#
+disp_locale=fr :  display_name=slovène #Italie, NEDIS_KIRTI#
+disp_locale=de :  display_name=Slowenisch #Italien, NEDIS_KIRTI#
+-----------------
+locale='sl_IT_nedis-a-kirti-x-xyz'
+disp_locale=en :  display_name=Slovenian #Italy, NEDIS_A_KIRTI_X_XYZ#
+disp_locale=fr :  display_name=slovène #Italie, NEDIS_A_KIRTI_X_XYZ#
+disp_locale=de :  display_name=Slowenisch #Italien, NEDIS_A_KIRTI_X_XYZ#
+-----------------
+locale='sl_IT_rozaj'
+disp_locale=en :  display_name=Slovenian #Italy, Resian#
+disp_locale=fr :  display_name=slovène #Italie, dialecte de Resia#
+disp_locale=de :  display_name=Slowenisch #Italien, (ROZAJ|Resianisch)#
+-----------------
+locale='sl_IT_NEDIS_ROJAZ_1901'
+disp_locale=en :  display_name=Slovenian #Italy, NEDIS_ROJAZ_1901#
+disp_locale=fr :  display_name=slovène #Italie, NEDIS_ROJAZ_1901#
+disp_locale=de :  display_name=Slowenisch #Italien, NEDIS_ROJAZ_1901#
+-----------------
+locale='i-enochian'
+disp_locale=en :  display_name=i-enochian #Private-Use=i-enochian#
+disp_locale=fr :  display_name=i-enochian #Usage privé=i-enochian#
+disp_locale=de :  display_name=i-enochian #Privatnutzung=i-enochian#
+-----------------
+locale='zh-hakka'
+disp_locale=en :  display_name=Chinese( #HAKKA#)?
+disp_locale=fr :  display_name=chinois( #HAKKA#)?
+disp_locale=de :  display_name=Chinesisch( #HAKKA#)?
+-----------------
+locale='zh-wuu'
+disp_locale=en :  display_name=Chinese #WUU#
+disp_locale=fr :  display_name=chinois #WUU#
+disp_locale=de :  display_name=Chinesisch #WUU#
+-----------------
+locale='i-tay'
+disp_locale=en :  display_name=i-tay
+disp_locale=fr :  display_name=i-tay
+disp_locale=de :  display_name=i-tay
+-----------------
+locale='sgn-BE-nl'
+disp_locale=en :  display_name=sgn #Belgium, NL#
+disp_locale=fr :  display_name=sgn #Belgique, NL#
+disp_locale=de :  display_name=sgn #Belgien, NL#
+-----------------
+locale='sgn-CH-de'
+disp_locale=en :  display_name=sgn #Switzerland, DE#
+disp_locale=fr :  display_name=sgn #Suisse, DE#
+disp_locale=de :  display_name=sgn #Schweiz, DE#
+-----------------
+locale='sl_IT_rozaj@currency=EUR'
+disp_locale=en :  display_name=Slovenian #Italy, Resian, [Cc]urrency=Euro#
+disp_locale=fr :  display_name=slovène #Italie, dialecte de Resia, [Dd]evise=euro#
+disp_locale=de :  display_name=Slowenisch #Italien, (ROZAJ|Resianisch), Währung=Euro#
+-----------------
+locale='uk-ua_CALIFORNIA@currency=;currency=GRN'
+disp_locale=en :  display_name=
+disp_locale=fr :  display_name=
+disp_locale=de :  display_name=
+-----------------
+locale='root'
+disp_locale=en :  display_name=Root
+disp_locale=fr :  display_name=racine
+disp_locale=de :  display_name=[Rr]oot
+-----------------
+locale='uk@currency=EURO'
+disp_locale=en :  display_name=Ukrainian #[Cc]urrency=EURO#
+disp_locale=fr :  display_name=ukrainien #[Dd]evise=EURO#
+disp_locale=de :  display_name=Ukrainisch #Währung=EURO#
+-----------------
+locale='Hindi'
+disp_locale=en :  display_name=hindi
+disp_locale=fr :  display_name=hindi
+disp_locale=de :  display_name=hindi
+-----------------
+locale='de'
+disp_locale=en :  display_name=German
+disp_locale=fr :  display_name=allemand
+disp_locale=de :  display_name=Deutsch
+-----------------
+locale='fr'
+disp_locale=en :  display_name=French
+disp_locale=fr :  display_name=français
+disp_locale=de :  display_name=Französisch
+-----------------
+locale='ja'
+disp_locale=en :  display_name=Japanese
+disp_locale=fr :  display_name=japonais
+disp_locale=de :  display_name=Japanisch
+-----------------
+locale='i-enochian'
+disp_locale=en :  display_name=i-enochian #Private-Use=i-enochian#
+disp_locale=fr :  display_name=i-enochian #Usage privé=i-enochian#
+disp_locale=de :  display_name=i-enochian #Privatnutzung=i-enochian#
+-----------------
+locale='zh-Hant'
+disp_locale=en :  display_name=Chinese #Traditional#
+disp_locale=fr :  display_name=chinois #traditionnel#
+disp_locale=de :  display_name=Chinesisch #Traditionell#
+-----------------
+locale='zh-Hans'
+disp_locale=en :  display_name=Chinese #Simplified#
+disp_locale=fr :  display_name=chinois #simplifié#
+disp_locale=de :  display_name=Chinesisch #Vereinfacht#
+-----------------
+locale='sr-Cyrl'
+disp_locale=en :  display_name=Serbian #Cyrillic#
+disp_locale=fr :  display_name=serbe #cyrillique#
+disp_locale=de :  display_name=Serbisch #Kyrillisch#
+-----------------
+locale='sr-Latn'
+disp_locale=en :  display_name=Serbian #Latin#
+disp_locale=fr :  display_name=serbe #latin#
+disp_locale=de :  display_name=Serbisch #Lateinisch#
+-----------------
+locale='zh-Hans-CN'
+disp_locale=en :  display_name=Chinese #Simplified, China#
+disp_locale=fr :  display_name=chinois #simplifié, Chine#
+disp_locale=de :  display_name=Chinesisch #Vereinfacht, China#
+-----------------
+locale='sr-Latn-CS'
+disp_locale=en :  display_name=Serbian #Latin, Serbia#
+disp_locale=fr :  display_name=serbe #latin, Serbie#
+disp_locale=de :  display_name=Serbisch #Lateinisch, Serbien#
+-----------------
+locale='sl-rozaj'
+disp_locale=en :  display_name=Slovenian #Resian#
+disp_locale=fr :  display_name=slovène #dialecte de Resia#
+disp_locale=de :  display_name=Slowenisch( #(ROZAJ|Resianisch)#)?
+-----------------
+locale='sl-nedis'
+disp_locale=en :  display_name=Slovenian #Natisone dialect#
+disp_locale=fr :  display_name=slovène #dialecte de Natisone#
+disp_locale=de :  display_name=Slowenisch #Natisone-Dialekt#
+-----------------
+locale='de-CH-1901'
+disp_locale=en :  display_name=German #Switzerland, Traditional German orthography#
+disp_locale=fr :  display_name=allemand #Suisse, orthographe allemande traditionnelle#
+disp_locale=de :  display_name=Deutsch #Schweiz, (1901|[aA]lte deutsche Rechtschreibung)#
+-----------------
+locale='sl-IT-nedis'
+disp_locale=en :  display_name=Slovenian #Italy, Natisone dialect#
+disp_locale=fr :  display_name=slovène #Italie, dialecte de Natisone#
+disp_locale=de :  display_name=Slowenisch #Italien, (NEDIS|Natisone-Dialekt)#
+-----------------
+locale='sl-Latn-IT-nedis'
+disp_locale=en :  display_name=Slovenian #Latin, Italy, Natisone dialect#
+disp_locale=fr :  display_name=slovène #latin, Italie, dialecte de Natisone#
+disp_locale=de :  display_name=Slowenisch #Lateinisch, Italien, (NEDIS|Natisone-Dialekt)#
+-----------------
+locale='de-DE'
+disp_locale=en :  display_name=German #Germany#
+disp_locale=fr :  display_name=allemand #Allemagne#
+disp_locale=de :  display_name=Deutsch #Deutschland#
+-----------------
+locale='en-US'
+disp_locale=en :  display_name=English #United States#
+disp_locale=fr :  display_name=anglais #États-Unis#
+disp_locale=de :  display_name=Englisch #Vereinigte Staaten#
+-----------------
+locale='es-419'
+disp_locale=en :  display_name=Spanish #Latin America#
+disp_locale=fr :  display_name=espagnol #Amérique latine#
+disp_locale=de :  display_name=Spanisch #Lateinamerika#
+-----------------
+locale='de-CH-x-phonebk'
+disp_locale=en :  display_name=German #Switzerland, Private-Use=phonebk#
+disp_locale=fr :  display_name=allemand #Suisse, Usage privé=phonebk#
+disp_locale=de :  display_name=Deutsch #Schweiz, Privatnutzung=phonebk#
+-----------------
+locale='az-Arab-x-AZE-derbend'
+disp_locale=en :  display_name=Azerbaijani #Arabic, Private-Use=aze-derbend#
+disp_locale=fr :  display_name=azéri #arabe, Usage privé=aze-derbend#
+disp_locale=de :  display_name=Aserbaidschanisch #Arabisch, Privatnutzung=aze-derbend#
+-----------------
+locale='zh-min'
+disp_locale=en :  display_name=Chinese #MIN#
+disp_locale=fr :  display_name=chinois #MIN#
+disp_locale=de :  display_name=Chinesisch #MIN#
+-----------------
+locale='zh-min-nan-Hant-CN'
+disp_locale=en :  display_name=Chinese #MIN, NAN_HANT_CN#
+disp_locale=fr :  display_name=chinois #MIN, NAN_HANT_CN#
+disp_locale=de :  display_name=Chinesisch #MIN, NAN_HANT_CN#
+-----------------
+locale='x-whatever'
+disp_locale=en :  display_name=x-whatever #Private-Use=whatever#
+disp_locale=fr :  display_name=x-whatever #Usage privé=whatever#
+disp_locale=de :  display_name=x-whatever #Privatnutzung=whatever#
+-----------------
+locale='qaa-Qaaa-QM-x-southern'
+disp_locale=en :  display_name=qaa #Qaaa, QM, Private-Use=southern#
+disp_locale=fr :  display_name=qaa #Qaaa, QM, Usage privé=southern#
+disp_locale=de :  display_name=qaa #Qaaa, QM, Privatnutzung=southern#
+-----------------
+locale='sr-Latn-QM'
+disp_locale=en :  display_name=Serbian #Latin, QM#
+disp_locale=fr :  display_name=serbe #latin, QM#
+disp_locale=de :  display_name=Serbisch #Lateinisch, QM#
+-----------------
+locale='sr-Qaaa-CS'
+disp_locale=en :  display_name=Serbian #Qaaa, Serbia#
+disp_locale=fr :  display_name=serbe #Qaaa, Serbie#
+disp_locale=de :  display_name=Serbisch #Qaaa, Serbien#
+-----------------
+locale='en-US-u-islamCal'
+disp_locale=en :  display_name=English #United States, attribute=islamcal#
+disp_locale=fr :  display_name=anglais #États-Unis, attribute=islamcal#
+disp_locale=de :  display_name=Englisch #Vereinigte Staaten, attribute=islamcal#
+-----------------
+locale='zh-CN-a-myExt-x-private'
+disp_locale=en :  display_name=Chinese #China, a=myext, Private-Use=private#
+disp_locale=fr :  display_name=chinois #Chine, a=myext, Usage privé=private#
+disp_locale=de :  display_name=Chinesisch #China, a=myext, Privatnutzung=private#
+-----------------
+locale='en-a-myExt-b-another'
+disp_locale=en :  display_name=English #a=myext, b=another#
+disp_locale=fr :  display_name=anglais #a=myext, b=another#
+disp_locale=de :  display_name=Englisch #a=myext, b=another#
+-----------------
+locale='de-419-DE'
+disp_locale=en :  display_name=German #Latin America, DE#
+disp_locale=fr :  display_name=allemand #Amérique latine, DE#
+disp_locale=de :  display_name=Deutsch #Lateinamerika, DE#
+-----------------
+locale='a-DE'
+disp_locale=en :  display_name=a #Germany#
+disp_locale=fr :  display_name=a #Allemagne#
+disp_locale=de :  display_name=a #Deutschland#
+-----------------
+locale='ar-a-aaa-b-bbb-a-ccc'
+disp_locale=en :  display_name=Arabic #a=aaa, b=bbb#
+disp_locale=fr :  display_name=arabe #a=aaa, b=bbb#
+disp_locale=de :  display_name=Arabisch #a=aaa, b=bbb#
+-----------------
diff --git a/ext/intl/tests/locale_get_display_region2.phpt b/ext/intl/tests/locale_get_display_region2.phpt
index f1b584188a..1d7354bd1b 100644
--- a/ext/intl/tests/locale_get_display_region2.phpt
+++ b/ext/intl/tests/locale_get_display_region2.phpt
@@ -1,8 +1,9 @@
 --TEST--
-locale_get_display_region() icu >= 4.8
+locale_get_display_region() icu >= 4.8 && icu < 51.2
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
 <?php if(version_compare(INTL_ICU_VERSION, '4.8') < 0) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/locale_get_display_region3.phpt b/ext/intl/tests/locale_get_display_region3.phpt
new file mode 100644
index 0000000000..ec287a6446
--- /dev/null
+++ b/ext/intl/tests/locale_get_display_region3.phpt
@@ -0,0 +1,275 @@
+--TEST--
+locale_get_display_region() icu >= 51.2
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Try getting the display_region for different locales
+ * with Procedural and Object methods.
+ */
+
+function ut_main()
+{
+    $res_str = '';
+
+    $disp_locales=array('en','fr','de');
+
+    $locales = array(
+        'uk-ua_CALIFORNIA@currency=;currency=GRN',
+        'root',
+        'uk@currency=EURO',
+        'Hindi',
+//Simple language subtag
+        'de',
+        'fr',
+        'ja',
+        'i-enochian', //(example of a grandfathered tag)
+//Language subtag plus Script subtag:
+        'zh-Hant',
+        'zh-Hans',
+        'sr-Cyrl',
+        'sr-Latn',
+//Language-Script-Region
+        'zh-Hans-CN',
+        'sr-Latn-CS',
+//Language-Variant
+        'sl-rozaj',
+        'sl-nedis',
+//Language-Region-Variant
+        'de-CH-1901',
+        'sl-IT-nedis',
+//Language-Script-Region-Variant
+        'sl-Latn-IT-nedis',
+//Language-Region:
+        'de-DE',
+        'en-US',
+        'es-419',
+//Private use subtags:
+        'de-CH-x-phonebk',
+        'az-Arab-x-AZE-derbend',
+//Extended language subtags
+        'zh-min',
+        'zh-min-nan-Hant-CN',
+//Private use registry values
+        'x-whatever',
+        'qaa-Qaaa-QM-x-southern',
+        'sr-Latn-QM',
+        'sr-Qaaa-CS',
+/*Tags that use extensions (examples ONLY: extensions MUST be defined
+   by revision or update to this document or by RFC): */
+        'en-US-u-islamCal',
+        'zh-CN-a-myExt-x-private',
+        'en-a-myExt-b-another',
+//Some Invalid Tags:
+        'de-419-DE',
+        'a-DE',
+        'ar-a-aaa-b-bbb-a-ccc'
+    );
+
+
+    $res_str = '';
+
+    foreach( $locales as $locale )
+    {
+        $res_str .= "locale='$locale'\n";
+        foreach( $disp_locales as $disp_locale )
+        {
+            $scr = ut_loc_get_display_region( $locale ,$disp_locale );
+            $res_str .= "disp_locale=$disp_locale :  display_region=$scr";
+            $res_str .= "\n";
+        }
+        $res_str .= "-----------------\n";
+    }
+
+    return $res_str;
+
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+
+?>
+--EXPECTREGEX--
+locale='uk-ua_CALIFORNIA@currency=;currency=GRN'
+disp_locale=en :  display_region=Ukraine
+disp_locale=fr :  display_region=Ukraine
+disp_locale=de :  display_region=Ukraine
+-----------------
+locale='root'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='uk@currency=EURO'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='Hindi'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='de'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='fr'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='ja'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='i-enochian'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='zh-Hant'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='zh-Hans'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='sr-Cyrl'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='sr-Latn'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='zh-Hans-CN'
+disp_locale=en :  display_region=China
+disp_locale=fr :  display_region=Chine
+disp_locale=de :  display_region=China
+-----------------
+locale='sr-Latn-CS'
+disp_locale=en :  display_region=Serbia
+disp_locale=fr :  display_region=Serbie
+disp_locale=de :  display_region=Serbien
+-----------------
+locale='sl-rozaj'
+disp_locale=en :  display_region=(ROZAJ)?
+disp_locale=fr :  display_region=(ROZAJ)?
+disp_locale=de :  display_region=(ROZAJ)?
+-----------------
+locale='sl-nedis'
+disp_locale=en :  display_region=(NEDIS)?
+disp_locale=fr :  display_region=(NEDIS)?
+disp_locale=de :  display_region=(NEDIS)?
+-----------------
+locale='de-CH-1901'
+disp_locale=en :  display_region=Switzerland
+disp_locale=fr :  display_region=Suisse
+disp_locale=de :  display_region=Schweiz
+-----------------
+locale='sl-IT-nedis'
+disp_locale=en :  display_region=Italy
+disp_locale=fr :  display_region=Italie
+disp_locale=de :  display_region=Italien
+-----------------
+locale='sl-Latn-IT-nedis'
+disp_locale=en :  display_region=Italy
+disp_locale=fr :  display_region=Italie
+disp_locale=de :  display_region=Italien
+-----------------
+locale='de-DE'
+disp_locale=en :  display_region=Germany
+disp_locale=fr :  display_region=Allemagne
+disp_locale=de :  display_region=Deutschland
+-----------------
+locale='en-US'
+disp_locale=en :  display_region=United States
+disp_locale=fr :  display_region=États-Unis
+disp_locale=de :  display_region=Vereinigte Staaten
+-----------------
+locale='es-419'
+disp_locale=en :  display_region=Latin America
+disp_locale=fr :  display_region=Amérique latine
+disp_locale=de :  display_region=Lateinamerika
+-----------------
+locale='de-CH-x-phonebk'
+disp_locale=en :  display_region=Switzerland
+disp_locale=fr :  display_region=Suisse
+disp_locale=de :  display_region=Schweiz
+-----------------
+locale='az-Arab-x-AZE-derbend'
+disp_locale=en :  display_region=X?
+disp_locale=fr :  display_region=X?
+disp_locale=de :  display_region=X?
+-----------------
+locale='zh-min'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='zh-min-nan-Hant-CN'
+disp_locale=en :  display_region=MIN
+disp_locale=fr :  display_region=MIN
+disp_locale=de :  display_region=MIN
+-----------------
+locale='x-whatever'
+disp_locale=en :  display_region=
+disp_locale=fr :  display_region=
+disp_locale=de :  display_region=
+-----------------
+locale='qaa-Qaaa-QM-x-southern'
+disp_locale=en :  display_region=QM
+disp_locale=fr :  display_region=QM
+disp_locale=de :  display_region=QM
+-----------------
+locale='sr-Latn-QM'
+disp_locale=en :  display_region=QM
+disp_locale=fr :  display_region=QM
+disp_locale=de :  display_region=QM
+-----------------
+locale='sr-Qaaa-CS'
+disp_locale=en :  display_region=Serbia
+disp_locale=fr :  display_region=Serbie
+disp_locale=de :  display_region=Serbien
+-----------------
+locale='en-US-u-islamCal'
+disp_locale=en :  display_region=United States
+disp_locale=fr :  display_region=États-Unis
+disp_locale=de :  display_region=Vereinigte Staaten
+-----------------
+locale='zh-CN-a-myExt-x-private'
+disp_locale=en :  display_region=China
+disp_locale=fr :  display_region=Chine
+disp_locale=de :  display_region=China
+-----------------
+locale='en-a-myExt-b-another'
+disp_locale=en :  display_region=A?
+disp_locale=fr :  display_region=A?
+disp_locale=de :  display_region=A?
+-----------------
+locale='de-419-DE'
+disp_locale=en :  display_region=Latin America
+disp_locale=fr :  display_region=Amérique latine
+disp_locale=de :  display_region=Lateinamerika
+-----------------
+locale='a-DE'
+disp_locale=en :  display_region=Germany
+disp_locale=fr :  display_region=Allemagne
+disp_locale=de :  display_region=Deutschland
+-----------------
+locale='ar-a-aaa-b-bbb-a-ccc'
+disp_locale=en :  display_region=A?
+disp_locale=fr :  display_region=A?
+disp_locale=de :  display_region=A?
+-----------------
diff --git a/ext/intl/tests/locale_get_display_script3.phpt b/ext/intl/tests/locale_get_display_script3.phpt
index 447766e6bd..972f060cdb 100644
--- a/ext/intl/tests/locale_get_display_script3.phpt
+++ b/ext/intl/tests/locale_get_display_script3.phpt
@@ -2,7 +2,7 @@
 locale_get_display_script()  icu >= 49
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
-<?php if(version_compare(INTL_ICU_VERSION, '49') < 0) print 'skip'; ?>
+<?php if(version_compare(INTL_ICU_VERSION, '49') < 0 || version_compare(INTL_ICU_VERSION, '52.1') >= 0) print 'skip'; ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/locale_get_display_script4.phpt b/ext/intl/tests/locale_get_display_script4.phpt
new file mode 100644
index 0000000000..dd50dcfc0a
--- /dev/null
+++ b/ext/intl/tests/locale_get_display_script4.phpt
@@ -0,0 +1,275 @@
+--TEST--
+locale_get_display_script()  icu >= 52.1
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if(version_compare(INTL_ICU_VERSION, '52.1') < 0) print 'skip'; ?>
+--FILE--
+<?php
+
+/*
+ * Try getting the display_script for different locales
+ * with Procedural and Object methods.
+ */
+
+function ut_main()
+{
+    $res_str = '';
+
+    $disp_locales=array('en','fr','de');
+
+    $locales = array(
+        'uk-ua_CALIFORNIA@currency=;currency=GRN',
+        'root',
+        'uk@currency=EURO',
+        'Hindi',
+//Simple language subtag
+        'de',
+        'fr',
+        'ja',
+        'i-enochian', //(example of a grandfathered tag)
+//Language subtag plus Script subtag:
+        'zh-Hant',
+        'zh-Hans',
+        'sr-Cyrl',
+        'sr-Latn',
+//Language-Script-Region
+        'zh-Hans-CN',
+        'sr-Latn-CS',
+//Language-Variant
+        'sl-rozaj',
+        'sl-nedis',
+//Language-Region-Variant
+        'de-CH-1901',
+        'sl-IT-nedis',
+//Language-Script-Region-Variant
+        'sl-Latn-IT-nedis',
+//Language-Region:
+        'de-DE',
+        'en-US',
+        'es-419',
+//Private use subtags:
+        'de-CH-x-phonebk',
+        'az-Arab-x-AZE-derbend',
+//Extended language subtags
+        'zh-min',
+        'zh-min-nan-Hant-CN',
+//Private use registry values
+        'x-whatever',
+        'qaa-Qaaa-QM-x-southern',
+        'sr-Latn-QM',
+        'sr-Qaaa-CS',
+/*Tags that use extensions (examples ONLY: extensions MUST be defined
+   by revision or update to this document or by RFC): */
+        'en-US-u-islamCal',
+        'zh-CN-a-myExt-x-private',
+        'en-a-myExt-b-another',
+//Some Invalid Tags:
+        'de-419-DE',
+        'a-DE',
+        'ar-a-aaa-b-bbb-a-ccc'
+    );
+
+
+    $res_str = '';
+
+    foreach( $locales as $locale )
+    {
+        $res_str .= "locale='$locale'\n";
+        foreach( $disp_locales as $disp_locale )
+        {
+            $scr = ut_loc_get_display_script( $locale ,$disp_locale );
+            $res_str .= "disp_locale=$disp_locale :  display_script=$scr";
+            $res_str .= "\n";
+        }
+        $res_str .= "-----------------\n";
+    }
+
+    return $res_str;
+
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+
+?>
+--EXPECT--
+locale='uk-ua_CALIFORNIA@currency=;currency=GRN'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='root'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='uk@currency=EURO'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='Hindi'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='de'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='fr'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='ja'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='i-enochian'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='zh-Hant'
+disp_locale=en :  display_script=Traditional Han
+disp_locale=fr :  display_script=sinogrammes traditionnels
+disp_locale=de :  display_script=Traditionelles Chinesisch
+-----------------
+locale='zh-Hans'
+disp_locale=en :  display_script=Simplified Han
+disp_locale=fr :  display_script=sinogrammes simplifiés
+disp_locale=de :  display_script=Vereinfachtes Chinesisch
+-----------------
+locale='sr-Cyrl'
+disp_locale=en :  display_script=Cyrillic
+disp_locale=fr :  display_script=cyrillique
+disp_locale=de :  display_script=Kyrillisch
+-----------------
+locale='sr-Latn'
+disp_locale=en :  display_script=Latin
+disp_locale=fr :  display_script=latin
+disp_locale=de :  display_script=Lateinisch
+-----------------
+locale='zh-Hans-CN'
+disp_locale=en :  display_script=Simplified Han
+disp_locale=fr :  display_script=sinogrammes simplifiés
+disp_locale=de :  display_script=Vereinfachtes Chinesisch
+-----------------
+locale='sr-Latn-CS'
+disp_locale=en :  display_script=Latin
+disp_locale=fr :  display_script=latin
+disp_locale=de :  display_script=Lateinisch
+-----------------
+locale='sl-rozaj'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='sl-nedis'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='de-CH-1901'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='sl-IT-nedis'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='sl-Latn-IT-nedis'
+disp_locale=en :  display_script=Latin
+disp_locale=fr :  display_script=latin
+disp_locale=de :  display_script=Lateinisch
+-----------------
+locale='de-DE'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='en-US'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='es-419'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='de-CH-x-phonebk'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='az-Arab-x-AZE-derbend'
+disp_locale=en :  display_script=Arabic
+disp_locale=fr :  display_script=arabe
+disp_locale=de :  display_script=Arabisch
+-----------------
+locale='zh-min'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='zh-min-nan-Hant-CN'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='x-whatever'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='qaa-Qaaa-QM-x-southern'
+disp_locale=en :  display_script=Qaaa
+disp_locale=fr :  display_script=Qaaa
+disp_locale=de :  display_script=Qaaa
+-----------------
+locale='sr-Latn-QM'
+disp_locale=en :  display_script=Latin
+disp_locale=fr :  display_script=latin
+disp_locale=de :  display_script=Lateinisch
+-----------------
+locale='sr-Qaaa-CS'
+disp_locale=en :  display_script=Qaaa
+disp_locale=fr :  display_script=Qaaa
+disp_locale=de :  display_script=Qaaa
+-----------------
+locale='en-US-u-islamCal'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='zh-CN-a-myExt-x-private'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='en-a-myExt-b-another'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='de-419-DE'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='a-DE'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
+locale='ar-a-aaa-b-bbb-a-ccc'
+disp_locale=en :  display_script=
+disp_locale=fr :  display_script=
+disp_locale=de :  display_script=
+-----------------
diff --git a/ext/intl/tests/locale_lookup.phpt b/ext/intl/tests/locale_lookup.phpt
index f0affafa6f..df5204f07d 100644
--- a/ext/intl/tests/locale_lookup.phpt
+++ b/ext/intl/tests/locale_lookup.phpt
@@ -2,6 +2,7 @@
 locale_lookup.phpt()
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 
diff --git a/ext/intl/tests/locale_lookup_variant2.phpt b/ext/intl/tests/locale_lookup_variant2.phpt
new file mode 100644
index 0000000000..4715951e9a
--- /dev/null
+++ b/ext/intl/tests/locale_lookup_variant2.phpt
@@ -0,0 +1,100 @@
+--TEST--
+locale_lookup.phpt()
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+/*
+ * Try parsing different Locales  
+ * with Procedural and Object methods.
+ */
+
+function ut_main()
+{
+	$loc_ranges = array(
+		'de-de',
+		'sl_IT',
+		'sl_IT_Nedis',
+		'jbo',
+		'art-lojban'
+	);
+	
+	$lang_tags = array(
+		'de-DEVA',
+		'de-DE-1996',
+		'de-DE',
+		'zh_Hans',
+		'de-CH-1996',
+		'sl_IT',
+		'sl_IT_nedis-a-kirti-x-xyz',
+		'sl_IT_rozaj',
+		'sl_IT_NEDIS_ROJAZ_1901',
+		'i-enochian',
+		'sgn-CH-de',
+		'art-lojban',
+		'i-lux',
+		'art-lojban',
+		'jbo',
+		'en_sl_IT',
+		'zh-Hant-CN-x-prv1-prv2'
+	);
+
+
+    $res_str = '';
+    $isCanonical = false;
+
+	foreach($loc_ranges as $loc_range){
+            $res_str .="--------------\n";
+            $result= ut_loc_locale_lookup( $lang_tags , $loc_range,$isCanonical,"en_US");
+            $comma_arr =implode(",",$lang_tags);
+            $res_str .= "loc_range:$loc_range \nlang_tags: $comma_arr\n";
+            $res_str .= "\nlookup result:$result\n";
+//canonicalized version
+            $result= ut_loc_locale_lookup( $lang_tags , $loc_range,!($isCanonical),"en_US");
+            $can_loc_range = ut_loc_canonicalize($loc_range);
+            $res_str .= "Canonical lookup result:$result\n";
+
+	}
+
+	$res_str .= "\n";
+    return $res_str;
+
+}
+
+include_once( 'ut_common.inc' );
+ut_run();
+
+?>
+--EXPECT--
+--------------
+loc_range:de-de 
+lang_tags: de-DEVA,de-DE-1996,de-DE,zh_Hans,de-CH-1996,sl_IT,sl_IT_nedis-a-kirti-x-xyz,sl_IT_rozaj,sl_IT_NEDIS_ROJAZ_1901,i-enochian,sgn-CH-de,art-lojban,i-lux,art-lojban,jbo,en_sl_IT,zh-Hant-CN-x-prv1-prv2
+
+lookup result:de-DE
+Canonical lookup result:de_de
+--------------
+loc_range:sl_IT 
+lang_tags: de-DEVA,de-DE-1996,de-DE,zh_Hans,de-CH-1996,sl_IT,sl_IT_nedis-a-kirti-x-xyz,sl_IT_rozaj,sl_IT_NEDIS_ROJAZ_1901,i-enochian,sgn-CH-de,art-lojban,i-lux,art-lojban,jbo,en_sl_IT,zh-Hant-CN-x-prv1-prv2
+
+lookup result:sl_IT
+Canonical lookup result:sl_it
+--------------
+loc_range:sl_IT_Nedis 
+lang_tags: de-DEVA,de-DE-1996,de-DE,zh_Hans,de-CH-1996,sl_IT,sl_IT_nedis-a-kirti-x-xyz,sl_IT_rozaj,sl_IT_NEDIS_ROJAZ_1901,i-enochian,sgn-CH-de,art-lojban,i-lux,art-lojban,jbo,en_sl_IT,zh-Hant-CN-x-prv1-prv2
+
+lookup result:sl_IT
+Canonical lookup result:sl_it
+--------------
+loc_range:jbo 
+lang_tags: de-DEVA,de-DE-1996,de-DE,zh_Hans,de-CH-1996,sl_IT,sl_IT_nedis-a-kirti-x-xyz,sl_IT_rozaj,sl_IT_NEDIS_ROJAZ_1901,i-enochian,sgn-CH-de,art-lojban,i-lux,art-lojban,jbo,en_sl_IT,zh-Hant-CN-x-prv1-prv2
+
+lookup result:jbo
+Canonical lookup result:jbo
+--------------
+loc_range:art-lojban 
+lang_tags: de-DEVA,de-DE-1996,de-DE,zh_Hans,de-CH-1996,sl_IT,sl_IT_nedis-a-kirti-x-xyz,sl_IT_rozaj,sl_IT_NEDIS_ROJAZ_1901,i-enochian,sgn-CH-de,art-lojban,i-lux,art-lojban,jbo,en_sl_IT,zh-Hant-CN-x-prv1-prv2
+
+lookup result:art-lojban
+Canonical lookup result:art__lojban
diff --git a/ext/intl/tests/resourcebundle_null_mandatory_args.phpt b/ext/intl/tests/resourcebundle_null_mandatory_args.phpt
index 17fab6d630..bbbc1b1e91 100644
--- a/ext/intl/tests/resourcebundle_null_mandatory_args.phpt
+++ b/ext/intl/tests/resourcebundle_null_mandatory_args.phpt
@@ -3,11 +3,9 @@ ResourceBundle constructor bundle accepts NULL for first two arguments
 --INI--
 date.timezone=Atlantic/Azores
 --SKIPIF--
-<?php
-if (!extension_loaded('intl'))
-	die('skip intl extension not enabled');
-if (version_compare(INTL_ICU_VERSION, '4.8') < 0)
-	die('skip ICU >= 4.8 only');
+<?php if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '4.8') < 0) die('skip ICU >= 4.8 only'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') >=  0) die('skip for ICU < 51.2'); ?>
 --FILE--
 <?php
 ini_set("intl.error_level", E_WARNING);
diff --git a/ext/intl/tests/resourcebundle_null_mandatory_args_variant2.phpt b/ext/intl/tests/resourcebundle_null_mandatory_args_variant2.phpt
new file mode 100644
index 0000000000..cf721c8ef2
--- /dev/null
+++ b/ext/intl/tests/resourcebundle_null_mandatory_args_variant2.phpt
@@ -0,0 +1,26 @@
+--TEST--
+ResourceBundle constructor bundle accepts NULL for first two arguments
+--INI--
+date.timezone=Atlantic/Azores
+--SKIPIF--
+<?php
+if (!extension_loaded('intl')) die('skip intl extension not enabled'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+ini_set("intl.error_level", E_WARNING);
+
+$r = new ResourceBundle('en_US', NULL);
+$c = $r->get('calendar')->get('gregorian')->get('DateTimePatterns')->get(0);
+var_dump($c);
+
+ini_set('intl.default_locale', 'pt_PT');
+$r = new ResourceBundle(NULL, NULL);
+$c = $r->get('calendar')->get('gregorian')->get('DateTimePatterns')->get(0);
+var_dump($c);
+?>
+==DONE==
+--EXPECT--
+string(14) "h:mm:ss a zzzz"
+string(13) "HH:mm:ss zzzz"
+==DONE==