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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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