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@ 2014-01-30T23:06:24Z

<?php
$var="yes";

var_dump(filter_var($var, FILTER_VALIDATE_BOOLEAN));
?>

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
filter_var: documentation ( source)

preferences:dark modelive preview

76.48 ms | 402 KiB | 5 Q