Online PHP editor | refs for UmZcJ

<?php // essentially tests/classes/array_access_012.phpt, with offsetGet returning by-ref class ArrayAccessImpl implements ArrayAccess { private $data = array(); public function offsetUnset($index) {} public function offsetSet($index, $value) { $this->data[$index] = $value; } public function &offsetGet($index) { return $this->data[$index]; } public function offsetExists($index) { return isset($this->data[$index]); } } $data = new ArrayAccessImpl(); $test = 'some data'; $data['element'] = NULL; // prevent notice $data['element'] = &$test; var_dump($data['element']);