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@ 2015-04-06T23:29:59Z

<?php

$true = TRUE; var_dump(is_numeric($true));
$false = FALSE; var_dump(is_numeric($false));
$num = 1; var_dump(is_numeric($num));
$string = '1'; var_dump(is_numeric($string));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
is_numeric: documentation ( source)

preferences:dark modelive preview

69.46 ms | 402 KiB | 5 Q