I have a display helper that works perfectly - but only once per page.

If I use it on a detail page, no problems.

However if I use it on a list page, it only works the first time and then the rest of the page fails to generate.

Here's the code, any pointers greatly appreciated.

<pre> <?php

/* * URL Encoder script. * Version 1.0 - February 2002 * Version 1.1 - December 2007 - added encodelink_delayed - a delayed action on decoding * Version 1.2 - August 2008 - updated encodelink_delayed to allow it to be used multiple times in a page * (c) 2002-2008, Paul Gregg <pgregg@pgregg.com> * http://www.pgregg.com */

Function transpose($str) { # function takes the string and swaps the order of each group of 2 chars $len = strlen($str); $ret = ""; for ($i=0; $i<$len; $i=$i+2) { if ($i+1 == $len) $ret .= substr($str, $i, 1); else $ret .= sprintf("%s%s", substr($str, $i+1, 1), substr($str, $i, 1)); } return $ret; }

Function escapeencode ($str) { $ret = ""; $arr = unpack("C*", $str); foreach ($arr as $char) $ret .= sprintf("%%%X", $char); return $ret; }

Function encodehash($href, $text) { $prepend = ""; if (preg_match("/^mailto:/", $href)) { $href = preg_replace("/^mailto:/", "", $href); $prepend = "mailto:"; } if (preg_match("/^http:\/\//", $href)) { $href = preg_replace("/^http:\/\//", "", $href); list($server,$url) = split("/", $href, 2); $href = $url; $prepend = "http://$server/"; } $UserCode = sprintf("<a href=\"%s%s\">%s</a>", $prepend, escapeencode($href), $text); return $UserCode; }

Function encodelink($href, $text) { $code = sprintf("var s='%s';var r='';for(var i=0;i<s.length;i++,i++){r=r+s.substring(i+1,i+2)+s.substring(i,i+1)}document.write('<a href=\"'+r+'\">%s</a>');", transpose($href), $text); $UserCode = sprintf("%s%s%s", "<SCRIPT type=\"text/javascript\">eval(unescape('", escapeencode($code), "'))</SCRIPT>"); return $UserCode; }

Function encodelink_delayed($href, $text) { static $usecount = 0; $usecount++; $code = sprintf("function pgregg_transpose%d(h) {var s='%s';var r='';for(var i=0;i<s.length;i++,i++){r=r+s.substring(i+1,i+2)+s.substring(i,i+1)}h.href=r;}document.write('<a href=\"#\" onMouseOver=\"javascript:pgregg_transpose%d(this)\" onFocus=\"javascript:pgregg_transpose%d(this)\">%s</a>');", $usecount, transpose($href), $usecount, $usecount, $text); $UserCode = sprintf("%s%s%s", "<SCRIPT type=\"text/javascript\">eval(unescape('", escapeencode($code), "'))</SCRIPT>"); return $UserCode; }

$encoded = encodelink('mailto:'.$value, $value);

echo $encoded;

?> </pre>