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@ 2014-10-15T22:45:26Z

<?php

var_dump(is_numeric("1e3445"));
var_dump("1e34d5" + 1);
var_dump(is_numeric("1e34d5"));

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

32.23 ms | 402 KiB | 5 Q