<?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 *                * javascript_charcode : encode with javascript charcode *                * 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 at ohrt dot com> * @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.    $search = array('%40', '%2C');    $replace  = array('@', ',');    $mail_parms = array();    foreach ($params as $var=>$value) {        switch ($var) {            case 'cc':            case 'bcc':            case 'followupto':                if (!empty($value))                    $mail_parms[] = $var.'='.str_replace($search,$replace,rawurlencode($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','javascript_charcode','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 == 'javascript_charcode' ) {        $string = '<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>';        for($x = 0, $y = strlen($string); $x < $y; $x++ ) {            $ord[] = ord($string[$x]);           }        $_ret = "<script type=\"text/javascript\" language=\"javascript\">\n";        $_ret .= "<!--\n";        $_ret .= "{document.write(String.fromCharCode(";        $_ret .= implode(',',$ord);        $_ret .= "))";        $_ret .= "}\n";        $_ret .= "//-->\n";        $_ret .= "</script>\n";                return $_ret;                    } elseif ($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]).';';        }        $mailto = "&#109;&#97;&#105;&#108;&#116;&#111;&#58;";        return '<a href="'.$mailto.$address_encode.'" '.$extra.'>'.$text_encode.'</a>';    } else {        // no encoding        return '<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>';    }}/* vim: set expandtab: */?>