Online PHP editor | refs for pmFlB

<?php function myCallback($key, $val) { var_dump("myCallback - key: $key, val: $val"); return $val * 2; } function foreachMap($callback, $givenArray) { $result = []; foreach ($givenArray as $key=>$val) { $result[$key] = $callback($key, $val); } return $result; } $values = array(4, 6, 3); $mapped = foreachMap('myCallback', $values); var_dump($mapped);