Online PHP editor | refs for r699v

<?php class Foo implements ArrayAccess { public function offsetGet($x) { var_dump($x); } public function offsetExists($x) { var_dump($x); } public function offsetSet($x, $y) { var_dump($x); } public function offsetUnset($x) { var_dump($x); } } $foo = new Foo(); echo "$foo[0]"; echo "$foo[1]"; echo "$foo[00]"; echo "$foo[-0]"; echo "$foo[-1]"; //echo "$foo[-00]"; //echo "$foo[-001]";