1 files changed, 72 insertions, 0 deletions
diff --git a/ext/standard/tests/array/array_change_key_case_variation6.phpt b/ext/standard/tests/array/array_change_key_case_variation6.phpt
new file mode 100644
index 0000000..d4371d3
--- /dev/null
+++ b/ext/standard/tests/array/array_change_key_case_variation6.phpt
@@ -0,0 +1,72 @@
+--TEST--
+Test array_change_key_case() function : usage variations - multidimensional arrays
+--FILE--
+<?php
+/* Prototype  : array array_change_key_case(array $input [, int $case])
+ * Description: Retuns an array with all string keys lowercased [or uppercased] 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test how array_change_key_case() converts keys in multi-dimensional arrays
+ */
+
+echo "*** Testing array_change_key_case() : usage variations ***\n";
+
+$input = array('English' => array('one' => 1, 'two' => 2, 'three' => 3),
+               'French'  => array('un' => 1, 'deux' => 2, 'trois' => 3),
+               'German'  => array('eins' => 1, 'zwei' => 2, 'drei' => 3));
+
+echo "\n-- Pass a two-dimensional array as \$input argument --\n";
+var_dump(array_change_key_case($input, CASE_UPPER));
+
+echo "\n-- Pass a sub-arry as \$input argument --\n";
+var_dump(array_change_key_case($input['English'], CASE_UPPER));
+
+echo "Done";
+?>
+
+--EXPECTF--
+*** Testing array_change_key_case() : usage variations ***
+
+-- Pass a two-dimensional array as $input argument --
+array(3) {
+  ["ENGLISH"]=>
+  array(3) {
+    ["one"]=>
+    int(1)
+    ["two"]=>
+    int(2)
+    ["three"]=>
+    int(3)
+  }
+  ["FRENCH"]=>
+  array(3) {
+    ["un"]=>
+    int(1)
+    ["deux"]=>
+    int(2)
+    ["trois"]=>
+    int(3)
+  }
+  ["GERMAN"]=>
+  array(3) {
+    ["eins"]=>
+    int(1)
+    ["zwei"]=>
+    int(2)
+    ["drei"]=>
+    int(3)
+  }
+}
+
+-- Pass a sub-arry as $input argument --
+array(3) {
+  ["ONE"]=>
+  int(1)
+  ["TWO"]=>
+  int(2)
+  ["THREE"]=>
+  int(3)
+}
+Done
+\ No newline at end of file