3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Xoo { private function b($value) { return $value * 3; } function a() { return array_map( array(1, 2, 3), array($this, 'b') ); } } $xoo = new Xoo; var_dump($xoo->a());

preferences:
41.65 ms | 402 KiB | 5 Q