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@ 2014-08-19T11:14:50Z

<?php

if (ctype_alnum('test123')) {
echo "Not valid !";
}else{
echo "Valide";
}

Output
Performance
VLD
References
Branches

ctype_alnum: documentation ( source)

preferences:dark modelive preview

49.38 ms | 402 KiB | 5 Q