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@ 2013-05-08T06:38:59Z

<?php
var_dump(ctype_digit("61"));
var_dump(ctype_digit(7));

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

80.92 ms | 402 KiB | 5 Q