PHP/HTML/rawurldecode
string rawurldecode ( string str ) converts a %-escaped string into its original format, reversing the operation of rawurlencode( ) .
<source lang="html4strict">
<?
$name = "P "H" P"; $safe_name = rawurlencode($name); $unsafe_name = rawurldecode($name);
?>
</source>
string rawurlencode ( string str ) converts non-alphabetic symbols into numerical equivalents preceded by a percent sign
<source lang="html4strict">
<?
$name = "P "H" H"; $safe_name = rawurlencode($name);
?>
</source>