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@ 2012-11-12T16:29:58Z

<?php
var_dump(ctype_digit("+124"));
var_dump(ctype_digit("-123"));

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

33.26 ms | 402 KiB | 5 Q