--TEST-- Test array_map() function : usage variations - binary safe checking --FILE-- $b); } // array with binary data $arr1 = array(b"hello", b"world", "1", b"22.22"); echo "-- checking binary safe array with one parameter callback function --\n"; var_dump( array_map('callback1', $arr1) ); echo "-- checking binary safe array with two parameter callback function --\n"; var_dump( array_map(b"callback2", $arr1) ); echo "Done"; ?> --EXPECTF-- *** Testing array_map() : array with binary data for 'arr1' argument *** -- checking binary safe array with one parameter callback function -- array(4) { [0]=> string(5) "hello" [1]=> string(5) "world" [2]=> string(1) "1" [3]=> string(5) "22.22" } -- checking binary safe array with two parameter callback function -- Warning: Missing argument 2 for callback2() in %s on line %d%d Notice: Undefined variable: b in %s on line %d%d Warning: Missing argument 2 for callback2() in %s on line %d%d Notice: Undefined variable: b in %s on line %d%d Warning: Missing argument 2 for callback2() in %s on line %d%d Notice: Undefined variable: b in %s on line %d%d Warning: Missing argument 2 for callback2() in %s on line %d%d Notice: Undefined variable: b in %s on line %d%d array(4) { [0]=> array(1) { ["hello"]=> NULL } [1]=> array(1) { ["world"]=> NULL } [2]=> array(1) { [1]=> NULL } [3]=> array(1) { ["22.22"]=> NULL } } Done