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@ 2014-08-13T07:03:58Z

<?php
error_reporting(E_ALL);

$array = array();

var_dump(isset($array['foo']));
var_dump(array_key_exists('foo', $array));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
error_reporting: documentation ( source)

preferences:dark modelive preview

65.36 ms | 402 KiB | 5 Q