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@ 2014-10-20T12:43:05Z

<?php


$arr = array(11, '11', 'd1');

var_dump(array_filter($arr, 'ctype_digit'));
var_dump(array_filter($arr, 'is_numeric'));

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

63.52 ms | 402 KiB | 5 Q