Snippet Name: HEX Encode/Decode
Description: Here is a nice way to use preg_replace to convert a hex encoded string back to clear text.
Comment: (none)
Language: PHP
Highlight Mode: PHP
Last Modified: February 27th, 2009
|
<?PHP
$text = "PHP rocks!";
$encoded = PREG_REPLACE(
"'(.)'e"
,"dechex(ord('\\1'))"
,$text
);
PRINT "ENCODED: $encoded\n";
?>
ENCODED: 50485020726f636b7321
<?PHP
PRINT "DECODED: ".PREG_REPLACE(
"'([\S,\d]{2})'e"
,"chr(hexdec('\\1'))"
,$encoded)."\n";
?>
DECODED: PHP rocks! |