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@ 2014-02-20T08:57:47Z

<?php

$url = filter_var('http://ya.ru', FILTER_VALIDATE_URL);

$n = filter_var(12, FILTER_VALIDATE_INT);

var_dump($url);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
filter_var: documentation ( source)

preferences:dark modelive preview

39.38 ms | 402 KiB | 5 Q