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@ 2014-02-09T18:23:32Z

<?php

var_dump((int) "ab");
var_dump(intval("ab"));
var_dump(intval("0"));
var_dump(is_numeric("10"));
var_dump(is_numeric("a"));
var_dump(is_numeric("0"));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
is_numeric: documentation ( source)

preferences:dark modelive preview

37.32 ms | 402 KiB | 5 Q