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@ 2015-04-23T11:14:16Z

<?php

$first = ['', 0, null];

$second = ['', 0, 1];

$firstResult = array_filter($first, function($item) {
    return empty($item);
});

$secondResult = array_filter($second, function($item) {
    return !empty($item);
});

var_dump($firstResult, $secondResult);

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

50.49 ms | 402 KiB | 5 Q