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@ 2014-10-08T19:00:08Z

<?php
var_dump(ctype_digit(1));
var_dump(ctype_digit("1"));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
ctype_digit: documentation ( source)

preferences:dark modelive preview

36.76 ms | 402 KiB | 5 Q