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@ 2012-11-14T14:40:05Z

<?php
var_dump(is_numeric("--324234"));
var_dump(floatval("1e-4"));

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

38.69 ms | 402 KiB | 5 Q