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@ 2014-05-21T11:01:07Z

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

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

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

53.67 ms | 402 KiB | 5 Q