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@ 2014-04-24T19:11:18Z

-<?php
$a = '1e300';
$b = '1e300';
echo ($a * $b) . '';
echo (isset ($a) && isset ($b) && !is_numeric (($a * $b) . '') ) && (($a * $b) != INF) ? 1 : 0;
?>

Output
Performance
VLD
References
Branches

is_numeric: documentation ( source)

preferences:dark modelive preview

32.78 ms | 402 KiB | 5 Q