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@ 2014-08-26T09:08:46Z

<?php

$temp1 = "0,2345";
$temp2 = 1244;
$temp3 = "123.45";

if (is_numeric($temp1)) {echo "true";}
if (is_numeric($temp2)) {echo "true";}
if (is_numeric($temp3)) {echo "true";}

Output
Performance
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References
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is_numeric: documentation ( source)

preferences:dark modelive preview

42.24 ms | 402 KiB | 5 Q