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@ 2014-09-22T19:20:55Z

<?php
var_dump(ctype_alnum('text'));
var_dump(ctype_alnum('342'));
var_dump(ctype_alnum(1423));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
ctype_alnum: documentation ( source)

preferences:dark modelive preview

35.73 ms | 402 KiB | 5 Q