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@ 2014-04-24T16:16:01Z

<?php
function checkArray($array) {

    return ($array === null) ? "" : $array;
}

$yourArray = array('arr1',0,'arr2');
$yourArray = checkArray($yourArray);

var_dump($yourArray);

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

42.54 ms | 402 KiB | 5 Q