--TEST-- Test array_udiff_assoc() function : variation --FILE-- "one", "02" => "two", '3' => "three", "four", "0.5" => 5, 6.0 => 6, "seven" => "0x7"); $arr2 = array("one" => "one", "02" => "two", '3' => "three"); $arr3 = array("four", "0.5" => "five", 6 => 6, "seven" => 7); $arr4 = array("four", "0.5" => "five", 6 => 6, "seven" => 7); var_dump( array_udiff_assoc($arr1, $arr2, $arr3, $arr4, $key_compare_function) ); ?> ===DONE=== --EXPECTF-- *** Testing array_udiff_assoc() : variation - testing with multiple array arguments *** array(2) { [4]=> string(4) "four" ["0.5"]=> int(5) } ===DONE===