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@ 2017-07-11T10:03:20Z

<?php

$a = ['array' => 1];

var_dump(array_walk($a, function($a) {
    return is_int($a);
}));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_walk: documentation ( source)

preferences:dark modelive preview

49.32 ms | 402 KiB | 5 Q