Online PHP editor | refs for egqd4

<?php class Foo { public static function bar() { return 1; } private static function baz() { return 2; } } function mapIt( callable $mapper ) { $a = array( 1, 2, 3 ); return array_map( $mapper, $a ); } $f = new Foo(); var_dump( mapIt( array( $f, 'bar' ) ) ); var_dump( mapIt( array( $f, 'baz' ) ) );