Viewing file:  function.mailto.php (4.06 KB) -rw-r--r--
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<?php
/**
* Smarty plugin
* @package Smarty
* @subpackage plugins
*/
/**
* Smarty {mailto} function plugin
*
* Type: function<br>
* Name: mailto<br>
* Date: May 21, 2002
* Purpose: automate mailto address link creation, and optionally
* encode them.<br>
* Input:<br>
* - address = e-mail address
* - text = (optional) text to display, default is address
* - encode = (optional) can be one of:
* * none : no encoding (default)
* * javascript : encode with javascript
* * hex : encode with hexidecimal (no javascript)
* - cc = (optional) address(es) to carbon copy
* - bcc = (optional) address(es) to blind carbon copy
* - subject = (optional) e-mail subject
* - newsgroups = (optional) newsgroup(s) to post to
* - followupto = (optional) address(es) to follow up to
* - extra = (optional) extra tags for the href link
*
* Examples:
* <pre>
* {mailto address="me@domain.com"}
* {mailto address="me@domain.com" encode="javascript"}
* {mailto address="me@domain.com" encode="hex"}
* {mailto address="me@domain.com" subject="Hello to you!"}
* {mailto address="me@domain.com" cc="you@domain.com,they@domain.com"}
* {mailto address="me@domain.com" extra='class="mailto"'}
* </pre>
* @link http://smarty.php.net/manual/en/language.function.mailto.php {mailto}
* (Smarty online manual)
* @version 1.2
* @author Monte Ohrt <monte@ispi.net>
* @author credits to Jason Sweat (added cc, bcc and subject functionality)
* @param array
* @param Smarty
* @return string
*/
function smarty_function_mailto($params, &$smarty)
{
$extra = '';
extract($params);
if (empty($address)) {
$smarty->trigger_error("mailto: missing 'address' parameter");
return;
}
if (empty($text)) {
$text = $address;
}
// netscape and mozilla do not decode %40 (@) in BCC field (bug?)
// so, don't encode it.
$mail_parms = array();
if (!empty($cc)) {
$mail_parms[] = 'cc='.str_replace('%40','@',rawurlencode($cc));
}
if (!empty($bcc)) {
$mail_parms[] = 'bcc='.str_replace('%40','@',rawurlencode($bcc));
}
if (!empty($subject)) {
$mail_parms[] = 'subject='.rawurlencode($subject);
}
if (!empty($newsgroups)) {
$mail_parms[] = 'newsgroups='.rawurlencode($newsgroups);
}
if (!empty($followupto)) {
$mail_parms[] = 'followupto='.str_replace('%40','@',rawurlencode($followupto));
}
$mail_parm_vals = '';
for ($i=0; $i<count($mail_parms); $i++) {
$mail_parm_vals .= (0==$i) ? '?' : '&';
$mail_parm_vals .= $mail_parms[$i];
}
$address .= $mail_parm_vals;
if (empty($encode)) {
$encode = 'none';
} elseif (!in_array($encode,array('javascript','hex','none')) ) {
$smarty->trigger_error("mailto: 'encode' parameter must be none, javascript or hex");
return;
}
if ($encode == 'javascript' ) {
$string = 'document.write(\'<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>\');';
for ($x=0; $x < strlen($string); $x++) {
$js_encode .= '%' . bin2hex($string[$x]);
}
return '<script type="text/javascript" language="javascript">eval(unescape(\''.$js_encode.'\'))</script>';
} elseif ($encode == 'hex') {
preg_match('!^(.*)(\?.*)$!',$address,$match);
if(!empty($match[2])) {
$smarty->trigger_error("mailto: hex encoding does not work with extra attributes. Try javascript.");
return;
}
for ($x=0; $x < strlen($address); $x++) {
if(preg_match('!\w!',$address[$x])) {
$address_encode .= '%' . bin2hex($address[$x]);
} else {
$address_encode .= $address[$x];
}
}
for ($x=0; $x < strlen($text); $x++) {
$text_encode .= '&#x' . bin2hex($text[$x]).';';
}
return '<a href="mailto:'.$address_encode.'" '.$extra.'>'.$text_encode.'</a>';
} else {
// no encoding
return '<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>';
}
}
/* vim: set expandtab: */
?>
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