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@ 2013-09-12T22:00:48Z

<?php
var_dump(ctype_digit('123'));
var_dump(ctype_digit(123));
var_dump(ctype_digit('123.45'));

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

32.04 ms | 402 KiB | 5 Q