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php

--TEST--
ZE2 ArrayAccess and ASSIGN_OP operators (+=)
--FILE--
<?php 

class OverloadedArray implements ArrayAccess {
	public $realArray;
	
	function __construct() {
		$this->realArray = array(1,2,3);
	}

	function offsetExists($index) {
		return array_key_exists($this->realArray, $index);
	}

	function offsetGet($index) {
		return $this->realArray[$index];
	}

	function offsetSet($index, $value) {
		$this->realArray[$index] = $value;
	}

	function offsetUnset($index) {
		unset($this->realArray[$index]);
	}
}

$a = new OverloadedArray;
$a[1] += 10;
var_dump($a[1]);
echo "---Done---\n";
?>
--EXPECT--
int(12)
---Done---