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@ 2014-06-17T11:48:59Z

<?php 

if (is_numeric("1234aaa")) {
echo "yes!";
} else {
    echo "no";
}
?>

Output
Performance
VLD
References
Branches

is_numeric: documentation ( source)

preferences:dark modelive preview

38.92 ms | 402 KiB | 5 Q