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@ 2013-09-07T15:42:09Z

<?php
$subject = 'INT(13)';
 
$new_length = (int) preg_replace('/\D/', '', $subject);
var_dump($new_length);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
preg_replace: documentation ( source)

preferences:dark modelive preview

32.69 ms | 402 KiB | 5 Q