Online PHP editor | refs for id5OA

@ 2016-12-12T01:55:15Z

<?php

class Foo implements ArrayAccess {
  public function offsetGet($x) {
    var_dump($x);
  }
  public function offsetExists($x) {}
  public function offsetSet($x, $y) {}
  public function offsetUnset($x) {}
}

$foo = new Foo();

echo $foo['0'];
$a = '0';
echo $foo[$a];