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diff --git a/ext/standard/tests/array/asort_variation4.phpt b/ext/standard/tests/array/asort_variation4.phpt
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+++ b/ext/standard/tests/array/asort_variation4.phpt
@@ -0,0 +1,79 @@
+--TEST--
+Test asort() function : usage variations - sort reference variables   
+--FILE--
+<?php
+/* Prototype  : bool asort ( array &$array [, int $sort_flags] )
+ * Description: Sort an array and maintain index association. 
+                Elements will be arranged from lowest to highest when this function has completed.
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * Testing asort() by providing reference variable array with following flag values
+ *  flag value as defualt
+ *  SORT_REGULAR - compare items normally
+ *  SORT_NUMERIC - compare items numerically
+*/
+
+echo "*** Testing asort() :usage variations  ***\n";
+
+$value1 = 100;
+$value2 = 33;
+$value3 = 555;
+
+// an array containing integer references 
+$unsorted_numerics =  array( 1 => &$value1 , 2 => &$value2, 3 => &$value3);
+
+echo "\n-- Testing asort() by supplying reference variable array, 'flag' value is defualt --\n";
+$temp_array = $unsorted_numerics;
+var_dump( asort($temp_array) ); // expecting : bool(true)
+var_dump( $temp_array);
+
+echo "\n-- Testing asort() by supplying reference variable array, 'flag' = SORT_REGULAR --\n";
+$temp_array = &$unsorted_numerics;
+var_dump( asort($temp_array, SORT_REGULAR) ); // expecting : bool(true)
+var_dump( $temp_array);
+
+echo "\n-- Testing asort() by supplying reference variable array, 'flag' = SORT_NUMERIC --\n";
+$temp_array = &$unsorted_numerics;
+var_dump( asort($temp_array, SORT_NUMERIC) ); // expecting : bool(true)
+var_dump( $temp_array);
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing asort() :usage variations  ***
+
+-- Testing asort() by supplying reference variable array, 'flag' value is defualt --
+bool(true)
+array(3) {
+  [2]=>
+  &int(33)
+  [1]=>
+  &int(100)
+  [3]=>
+  &int(555)
+}
+
+-- Testing asort() by supplying reference variable array, 'flag' = SORT_REGULAR --
+bool(true)
+array(3) {
+  [2]=>
+  &int(33)
+  [1]=>
+  &int(100)
+  [3]=>
+  &int(555)
+}
+
+-- Testing asort() by supplying reference variable array, 'flag' = SORT_NUMERIC --
+bool(true)
+array(3) {
+  [2]=>
+  &int(33)
+  [1]=>
+  &int(100)
+  [3]=>
+  &int(555)
+}
+Done