note 50129 deleted from function.preg-replace by felipe
| From: | felipe@php.net | Date: | Mon, 10 Dec 2007 02:07:14 +0000 |
| Subject: | note 50129 deleted from function.preg-replace by felipe | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-133088@lists.php.net to get a copy of this message | ||
Note Submitter: jhm at cotren dot net
----
It took me a while to figure this one out, but here is a nice way to use preg_replace to convert a
hex encoded string back to clear text
<?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!