1 files changed, 34 insertions, 0 deletions
diff --git a/ext/standard/tests/array/array_diff_key_variation5.phpt b/ext/standard/tests/array/array_diff_key_variation5.phpt
new file mode 100644
index 0000000..f777953
--- /dev/null
+++ b/ext/standard/tests/array/array_diff_key_variation5.phpt
@@ -0,0 +1,34 @@
+--TEST--
+Test array_diff_key() function : usage variation - Passing float indexed array
+--FILE--
+<?php
+/* Prototype  : array array_diff_key(array arr1, array arr2 [, array ...])
+ * Description: Returns the entries of arr1 that have keys which are not present in any of the others arguments. 
+ * Source code: ext/standard/array.c
+ */
+
+echo "*** Testing array_diff_key() : usage variation ***\n";
+
+// Initialise function arguments not being substituted (if any)
+$input_array = array(0 => '0', 10 => '10', -10 => '-10', 20 =>'20', -20 => '-20'); 
+$float_indx_array = array(0.0 => '0.0', 10.5 => '10.5', -10.5 => '-10.5', 0.5 => '0.5'); 
+
+echo "\n-- Testing array_diff_key() function with float indexed array --\n";
+// loop through each element of the array for arr1
+var_dump( array_diff_key($input_array, $float_indx_array) );
+var_dump( array_diff_key($float_indx_array, $input_array) );
+?>
+===DONE===
+--EXPECTF--
+*** Testing array_diff_key() : usage variation ***
+
+-- Testing array_diff_key() function with float indexed array --
+array(2) {
+  [20]=>
+  string(2) "20"
+  [-20]=>
+  string(3) "-20"
+}
+array(0) {
+}
+===DONE===
+\ No newline at end of file