1 files changed, 64 insertions, 0 deletions
diff --git a/ext/standard/tests/array/array_change_key_case_variation7.phpt b/ext/standard/tests/array/array_change_key_case_variation7.phpt
new file mode 100644
index 0000000..8cbc23a
--- /dev/null
+++ b/ext/standard/tests/array/array_change_key_case_variation7.phpt
@@ -0,0 +1,64 @@
+--TEST--
+Test array_change_key_case() function : usage variations - referenced variables
+--FILE--
+<?php
+/* Prototype  : array array_change_key_case(array $input [, int $case])
+ * Description: Retuns an array with all string keys lowercased [or uppercased] 
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Test array_change_key_case() when:
+ * 1. Passed a referenced variable
+ * 2. Passed an argument by reference
+ */
+
+echo "*** Testing array_change_key_case() : usage variations ***\n";
+
+$input = array('one' => 1, 'two' => 2, 'ABC' => 'xyz');
+
+echo "\n-- \$input argument is a reference to array --\n";
+$new_input = &$input;
+echo "Result:\n";
+var_dump(array_change_key_case($new_input, CASE_UPPER));
+echo "Original:\n";
+var_dump($input);
+echo "Referenced:\n";
+var_dump($new_input);
+
+echo "Done";
+?>
+
+--EXPECTF--
+*** Testing array_change_key_case() : usage variations ***
+
+-- $input argument is a reference to array --
+Result:
+array(3) {
+  ["ONE"]=>
+  int(1)
+  ["TWO"]=>
+  int(2)
+  ["ABC"]=>
+  string(3) "xyz"
+}
+Original:
+array(3) {
+  ["one"]=>
+  int(1)
+  ["two"]=>
+  int(2)
+  ["ABC"]=>
+  string(3) "xyz"
+}
+Referenced:
+array(3) {
+  ["one"]=>
+  int(1)
+  ["two"]=>
+  int(2)
+  ["ABC"]=>
+  string(3) "xyz"
+}
+Done
+