Online PHP editor | refs for 3rENM

<?php class Foo { private function privateMethod($x) { return $x + 1; } function publicMethod($x) { return $x + 1; } function testMap() { return array_map(array($this, 'publicMethod'), array(1,2,3)); } function testMyMap() { return my_array_map(array($this, 'publicMethod'), array(1,2,3)); } } function my_array_map($fun, $arr) { $result = array(); foreach ($arr as $k => $v) { $result[$k] = $fun($v); } return $result; } var_dump((new Foo())->testMap()); var_dump((new Foo())->testMyMap());