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@ 2014-05-21T11:00:49Z

<?php
$t1 = 12;
$t2 = '12';

var_dump(is_int($t1));
var_dump(is_int($t2));

Output
Performance
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var_dump: documentation ( source)

preferences:dark modelive preview

38.25 ms | 402 KiB | 5 Q