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@ 2017-07-09T12:35:42Z

<?php

var_dump(is_numeric('123'));
var_dump(is_numeric(123));
var_dump(is_numeric(true));

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

37.54 ms | 402 KiB | 5 Q