--TEST-- preg_replace_callback_array() errors --FILE-- "s"), $a, -1, $b)); var_dump($b); function f() { static $count = 1; throw new Exception($count); } var_dump(preg_replace_callback_array(array('/\w' => 'f'), 'z')); try { var_dump(preg_replace_callback_array(array('/\w/' => 'f', '/.*/' => 'f'), 'z')); } catch (Exception $e) { var_dump($e->getMessage()); } echo "Done\n"; ?> --EXPECTF-- Warning: preg_replace_callback_array(): 's' is not a valid callback in %spreg_replace_callback_array2.php on line %d array(0) { } string(0) "" Warning: preg_replace_callback_array(): No ending delimiter '/' found in %spreg_replace_callback_array2.php on line %d NULL string(1) "1" Done