function.mailto.php
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上传日期:2015-12-05
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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)
- {
- $extra = '';
- if (empty($params['address'])) {
- $smarty->trigger_error("mailto: missing 'address' parameter");
- return;
- } else {
- $address = $params['address'];
- }
- $text = $address;
- // netscape and mozilla do not decode %40 (@) in BCC field (bug?)
- // so, don't encode it.
- $mail_parms = array();
- foreach ($params as $var=>$value) {
- switch ($var) {
- case 'cc':
- case 'bcc':
- case 'followupto':
- if (!empty($value))
- $mail_parms[] = $var.'='.str_replace('%40','@',rawurlencode($value));
- break;
-
- case 'subject':
- case 'newsgroups':
- $mail_parms[] = $var.'='.rawurlencode($value);
- break;
- case 'extra':
- case 'text':
- $$var = $value;
- default:
- }
- }
- $mail_parm_vals = '';
- for ($i=0; $i<count($mail_parms); $i++) {
- $mail_parm_vals .= (0==$i) ? '?' : '&';
- $mail_parm_vals .= $mail_parms[$i];
- }
- $address .= $mail_parm_vals;
- $encode = (empty($params['encode'])) ? 'none' : $params['encode'];
- if (!in_array($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>');';
- $js_encode = '';
- for ($x=0; $x < strlen($string); $x++) {
- $js_encode .= '%' . bin2hex($string[$x]);
- }
- return '<script type="text/javascript">eval(unescape(''.$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;
- }
- $address_encode = '';
- for ($x=0; $x < strlen($address); $x++) {
- if(preg_match('!w!',$address[$x])) {
- $address_encode .= '%' . bin2hex($address[$x]);
- } else {
- $address_encode .= $address[$x];
- }
- }
- $text_encode = '';
- for ($x=0; $x < strlen($text); $x++) {
- $text_encode .= '&#x' . bin2hex($text[$x]).';';
- }
- $mailto = "mailto:";
- return '<a href="'.$mailto.$address_encode.'" '.$extra.'>'.$text_encode.'</a>';
- } else {
- // no encoding
- return '<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>';
- }
- }
- /* vim: set expandtab: */
- ?>