Online PHP editor | refs for BFsdH

<?php class ArrayObjectChild extends ArrayObject { public function offsetExists($offset) { var_dump('Called: '.__METHOD__); return parent::offsetExists($offset); } public function offsetGet($offset) { var_dump('Called: '.__METHOD__); return parent::offsetGet($offset); } } $array = array('foo' => ''); echo "ArrayObject: empty string is set, but empty:\n"; $object = new ArrayObject($array); var_dump(isset($object['foo']), empty($object['foo']), $object->offsetExists('foo'), $object->offsetGet('foo')); echo "ArrayObject extended: empty string is set, but not empty\n"; $object = new ArrayObjectChild($array); var_dump(isset($object['foo']), empty($object['foo']), $object->offsetExists('foo'), $object->offsetGet('foo'));