In addition to dustout at gmail dot com code example, just spare the if and reduce the two return statements into one:
<?php
function is_hex($hexValue){
return (bool) ($hexValue == dechex(hexdec($hexValue));
}
?>
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Server IP: 69.147.83.197
Probable Submitter: 79.225.52.177
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Manual Page -- http://www.php.net/manual/en/function.is-numeric.php
Edit -- https://master.php.net/note/edit/98014
Del: integrated -- https://master.php.net/note/delete/98014/integrated
Del: useless -- https://master.php.net/note/delete/98014/useless
Del: bad code -- https://master.php.net/note/delete/98014/bad+code
Del: spam -- https://master.php.net/note/delete/98014/spam
Del: non-english -- https://master.php.net/note/delete/98014/non-english
Del: in docs -- https://master.php.net/note/delete/98014/in+docs
Del: other reasons-- https://master.php.net/note/delete/98014
Reject -- https://master.php.net/note/reject/98014
Search -- https://master.php.net/manage/user-notes.php
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