6 * @subpackage PluginsFunction
10 * Smarty {mailto} function plugin
15 * Purpose: automate mailto address link creation, and optionally
20 * {mailto address="me@domain.com"}
21 * {mailto address="me@domain.com" encode="javascript"}
22 * {mailto address="me@domain.com" encode="hex"}
23 * {mailto address="me@domain.com" subject="Hello to you!"}
24 * {mailto address="me@domain.com" cc="you@domain.com,they@domain.com"}
25 * {mailto address="me@domain.com" extra='class="mailto"'}
28 * @link http://smarty.php.net/manual/en/language.function.mailto.php {mailto}
29 * (Smarty online manual)
31 * @author Monte Ohrt <monte at ohrt dot com>
32 * @author credits to Jason Sweat (added cc, bcc and subject functionality)
33 * @param array $params parameters
35 * - address = e-mail address
36 * - text = (optional) text to display, default is address
37 * - encode = (optional) can be one of:
38 * * none : no encoding (default)
39 * * javascript : encode with javascript
40 * * javascript_charcode : encode with javascript charcode
41 * * hex : encode with hexidecimal (no javascript)
42 * - cc = (optional) address(es) to carbon copy
43 * - bcc = (optional) address(es) to blind carbon copy
44 * - subject = (optional) e-mail subject
45 * - newsgroups = (optional) newsgroup(s) to post to
46 * - followupto = (optional) address(es) to follow up to
47 * - extra = (optional) extra tags for the href link
48 * @param object $template template object
51 function smarty_function_mailto($params, $template)
55 if (empty($params['address'])) {
56 trigger_error("mailto: missing 'address' parameter",E_USER_WARNING);
59 $address = $params['address'];
63 // netscape and mozilla do not decode %40 (@) in BCC field (bug?)
64 // so, don't encode it.
65 $search = array('%40', '%2C');
66 $replace = array('@', ',');
67 $mail_parms = array();
68 foreach ($params as $var => $value) {
74 $mail_parms[] = $var . '=' . str_replace($search, $replace, rawurlencode($value));
79 $mail_parms[] = $var . '=' . rawurlencode($value);
91 for ($i = 0; $i < count($mail_parms); $i++) {
92 $mail_parm_vals .= (0 == $i) ? '?' : '&';
93 $mail_parm_vals .= $mail_parms[$i];
95 $address .= $mail_parm_vals;
97 $encode = (empty($params['encode'])) ? 'none' : $params['encode'];
98 if (!in_array($encode, array('javascript', 'javascript_charcode', 'hex', 'none'))) {
99 trigger_error("mailto: 'encode' parameter must be none, javascript or hex",E_USER_WARNING);
103 if ($encode == 'javascript') {
104 $string = 'document.write(\'<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>\');';
107 for ($x = 0; $x < strlen($string); $x++) {
108 $js_encode .= '%' . bin2hex($string[$x]);
111 return '<script type="text/javascript">eval(unescape(\'' . $js_encode . '\'))</script>';
112 } elseif ($encode == 'javascript_charcode') {
113 $string = '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>';
115 for($x = 0, $y = strlen($string); $x < $y; $x++) {
116 $ord[] = ord($string[$x]);
119 $_ret = "<script type=\"text/javascript\" language=\"javascript\">\n";
121 $_ret .= "{document.write(String.fromCharCode(";
122 $_ret .= implode(',', $ord);
126 $_ret .= "</script>\n";
129 } elseif ($encode == 'hex') {
130 preg_match('!^(.*)(\?.*)$!', $address, $match);
131 if (!empty($match[2])) {
132 trigger_error("mailto: hex encoding does not work with extra attributes. Try javascript.",E_USER_WARNING);
135 $address_encode = '';
136 for ($x = 0; $x < strlen($address); $x++) {
137 if (preg_match('!\w!', $address[$x])) {
138 $address_encode .= '%' . bin2hex($address[$x]);
140 $address_encode .= $address[$x];
144 for ($x = 0; $x < strlen($text); $x++) {
145 $text_encode .= '&#x' . bin2hex($text[$x]) . ';';
148 $mailto = "mailto:";
149 return '<a href="' . $mailto . $address_encode . '" ' . $extra . '>' . $text_encode . '</a>';
152 return '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>';