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@ 2016-03-26T08:22:46Z

<?php

class A implements ArrayAccess
{
    function offsetGet($a){
        return new A;
    }
    
    function offsetExists($a){
        echo "exists";
        if($a === 10){
            return true;
        }else{
            return false;
        }
    }
    
    function offsetSet($a, $b){}
    function offsetUnset($a){}
}


$x = new A;

var_dump($x[10][20] ?? 20);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

25.06 ms | 404 KiB | 5 Q