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@ 2015-12-15T11:32:22Z

<?php

var_dump(is_numeric("200"));
var_dump(is_numeric("20,0"));
var_dump(is_numeric("$200"));
var_dump(is_numeric(".25e4"));

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

29.34 ms | 402 KiB | 5 Q