10 * Smarty {mailto} function plugin
15 * Purpose: automate mailto address link creation, and optionally
18 * - address = e-mail address
19 * - text = (optional) text to display, default is address
20 * - encode = (optional) can be one of:
21 * * none : no encoding (default)
22 * * javascript : encode with javascript
23 * * hex : encode with hexidecimal (no javascript)
24 * - cc = (optional) address(es) to carbon copy
25 * - bcc = (optional) address(es) to blind carbon copy
26 * - subject = (optional) e-mail subject
27 * - newsgroups = (optional) newsgroup(s) to post to
28 * - followupto = (optional) address(es) to follow up to
29 * - extra = (optional) extra tags for the href link
33 * {mailto address="me@domain.com"}
34 * {mailto address="me@domain.com" encode="javascript"}
35 * {mailto address="me@domain.com" encode="hex"}
36 * {mailto address="me@domain.com" subject="Hello to you!"}
37 * {mailto address="me@domain.com" cc="you@domain.com,they@domain.com"}
38 * {mailto address="me@domain.com" extra='class="mailto"'}
40 * @link http://smarty.php.net/manual/en/language.function.mailto.php {mailto}
41 * (Smarty online manual)
43 * @author Monte Ohrt <monte@ispi.net>
44 * @author credits to Jason Sweat (added cc, bcc and subject functionality)
49 function smarty_function_mailto($params, &$smarty)
54 if (empty($address)) {
55 $smarty->trigger_error("mailto: missing 'address' parameter");
63 // netscape and mozilla do not decode %40 (@) in BCC field (bug?)
64 // so, don't encode it.
66 $mail_parms = array();
68 $mail_parms[] = 'cc='.str_replace('%40','@',rawurlencode($cc));
72 $mail_parms[] = 'bcc='.str_replace('%40','@',rawurlencode($bcc));
75 if (!empty($subject)) {
76 $mail_parms[] = 'subject='.rawurlencode($subject);
79 if (!empty($newsgroups)) {
80 $mail_parms[] = 'newsgroups='.rawurlencode($newsgroups);
83 if (!empty($followupto)) {
84 $mail_parms[] = 'followupto='.str_replace('%40','@',rawurlencode($followupto));
88 for ($i=0; $i<count($mail_parms); $i++
) {
89 $mail_parm_vals .= (0==$i) ?
'?' : '&';
90 $mail_parm_vals .= $mail_parms[$i];
92 $address .= $mail_parm_vals;
96 } elseif (!in_array($encode,array('javascript','hex','none')) ) {
97 $smarty->trigger_error("mailto: 'encode' parameter must be none, javascript or hex");
101 if ($encode == 'javascript' ) {
102 $string = 'document.write(\'<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>\');';
104 for ($x=0; $x < strlen($string); $x++
) {
105 $js_encode .= '%' . bin2hex($string[$x]);
108 return '<script type="text/javascript" language="javascript">eval(unescape(\''.$js_encode.'\'))</script>';
110 } elseif ($encode == 'hex') {
112 preg_match('!^(.*)(\?.*)$!',$address,$match);
113 if(!empty($match[2])) {
114 $smarty->trigger_error("mailto: hex encoding does not work with extra attributes. Try javascript.");
117 for ($x=0; $x < strlen($address); $x++
) {
118 if(preg_match('!\w!',$address[$x])) {
119 $address_encode .= '%' . bin2hex($address[$x]);
121 $address_encode .= $address[$x];
124 for ($x=0; $x < strlen($text); $x++
) {
125 $text_encode .= '&#x' . bin2hex($text[$x]).';';
128 return '<a href="mailto:'.$address_encode.'" '.$extra.'>'.$text_encode.'</a>';
132 return '<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>';
138 /* vim: set expandtab: */
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