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@ 2015-04-14T16:49:17Z

<?php

$entry = array(
             0 => 'foo',
             1 => false,
             2 => -1,
             3 => null,
             4 => ''
          );
          
var_dump(array_filter($entry));      
var_dump(array_filter($entry, 'isset'));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_filter: documentation ( source)

preferences:dark modelive preview

33.1 ms | 402 KiB | 5 Q