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PHP interface class for the Premailer API
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| <?php | |
| /** | |
| * Premailer API PHP class | |
| * Premailer is a library/service for making HTML more palatable for various inept email clients, in particular GMail | |
| * Primary function is to convert style tags into equivalent inline styles so styling can survive <head> tag removal | |
| * Premailer is owned by Dialect Communications group | |
| * @link http://premailer.dialect.ca/api | |
| * @author Marcus Bointon <[email protected]> | |
| */ | |
| class Premailer { | |
| /** | |
| * The Premailer API URL | |
| */ | |
| const ENDPOINT = 'http://premailer.dialect.ca/api/0.1/documents'; | |
| static $CI ; | |
| public function __construct() | |
| { | |
| self::$CI =& get_instance(); | |
| self::$CI->load->library('my_curl'); | |
| } | |
| /** | |
| * Central static method for submitting either an HTML string or a URL, optionally retrieving converted versions | |
| * @static | |
| * @throws Exception | |
| * @param string $html Raw HTML source | |
| * @param string $url URL of the source file | |
| * @param bool $fetchresult Whether to also fetch the converted output | |
| * @param string $adaptor Which document handler to use (hpricot (default) or nokigiri) | |
| * @param string $base_url Base URL for converting relative links | |
| * @param int $line_length Length of lines in the plain text version (default 65) | |
| * @param string $link_query_string Query string appended to links | |
| * @param bool $preserve_styles Whether to preserve any link rel=stylesheet and style elements | |
| * @param bool $remove_ids Remove IDs from the HTML document? | |
| * @param bool $remove_classes Remove classes from the HTML document? | |
| * @param bool $remove_comments Remove comments from the HTML document? | |
| * @return array Either a single strclass object containing the decoded JSON response, or a 3-element array containing result, html and plain parts if $fetchresult is set | |
| */ | |
| protected static function convert($html = '', $url = '', $fetchresult = true, $adaptor = 'hpricot', $base_url = '', $line_length = 65, $link_query_string = '', $preserve_styles = true, $remove_ids = false, $remove_classes = false, $remove_comments = false) { | |
| $params = array(); | |
| if (!empty($html)) { | |
| $params['html'] = $html; | |
| } elseif (!empty($url)) { | |
| $params['url'] = $url; | |
| } else { | |
| throw new Exception('Must supply an html or url value'); | |
| } | |
| if ($adaptor == 'hpricot' or $adaptor == 'nokigiri') { | |
| $params['adaptor'] = $adaptor; | |
| } | |
| if (!empty($base_url)) { | |
| $params['base_url'] = $base_url; | |
| } | |
| $params['line_length'] = (integer)$line_length; | |
| if (!empty($link_query_string)) { | |
| $params['link_query_string'] = $link_query_string; | |
| } | |
| $params['preserve_styles'] = ($preserve_styles?'true':'false'); | |
| $params['remove_ids'] = ($remove_ids?'true':'false'); | |
| $params['$remove_classes'] = ($remove_classes?'true':'false'); | |
| $params['$remove_comments'] = ($remove_comments?'true':'false'); | |
| $options = array( | |
| 'timeout' => 15, | |
| 'connecttimeout' => 15, | |
| 'useragent' => 'PHP Premailer', | |
| 'ssl' => array('verifypeer' => false, 'verifyhost' => false) | |
| ); | |
| // $h = new HttpRequest(self::ENDPOINT, HttpRequest::METH_POST, $options); | |
| $conf = array( | |
| 'url' => self::ENDPOINT, | |
| 'timeout' => 15, | |
| 'useragent' => 'PHP Premailer', | |
| 'ssl_verifyhost' => 0, | |
| 'SSL_VERIFYPEER' => 0, | |
| 'post' => 1, | |
| 'postfields' => $params, | |
| 'returntransfer' => true, | |
| 'httpheader' => array("Expect:") | |
| ); | |
| foreach($conf as $key => $value){ | |
| $name = constant('CURLOPT_'.strtoupper($key)); | |
| $val = $value; | |
| $data_conf[$name] = $val; | |
| } | |
| $cu = curl_init(); | |
| curl_setopt_array($cu, $data_conf); | |
| $exec = curl_exec($cu); | |
| $_res = json_decode($exec); | |
| $_res_info = json_decode(json_encode(curl_getinfo($cu))); | |
| curl_close($cu); | |
| if($_res_info->http_code != 201){ | |
| $code = $_res_info->http_code; | |
| switch ($code) { | |
| case 400: | |
| throw new Exception('Content missing', 400); | |
| break; | |
| case 403: | |
| throw new Exception('Access forbidden', 403); | |
| break; | |
| case 500: | |
| default: | |
| throw new Exception('Error', $code); | |
| } | |
| } | |
| $return = array('result' => $_res); | |
| if ($fetchresult) { | |
| $html = curl_init(); | |
| curl_setopt_array( | |
| $html, array( | |
| CURLOPT_URL => $_res->documents->html, | |
| CURLOPT_TIMEOUT => 15, | |
| CURLOPT_USERAGENT => 'PHP Premailer', | |
| CURLOPT_SSL_VERIFYHOST => 0, | |
| CURLOPT_SSL_VERIFYPEER => 0, | |
| CURLOPT_HTTPHEADER => array("Expect:"), | |
| CURLOPT_RETURNTRANSFER => true | |
| ) | |
| ); | |
| $return['html'] = curl_exec($html); | |
| curl_close($html); | |
| $plain = curl_init(); | |
| curl_setopt_array( | |
| $plain, array( | |
| CURLOPT_URL => $_res->documents->txt, | |
| CURLOPT_TIMEOUT => 15, | |
| CURLOPT_USERAGENT => 'PHP Premailer', | |
| CURLOPT_SSL_VERIFYHOST => 0, | |
| CURLOPT_SSL_VERIFYPEER => 0, | |
| CURLOPT_HTTPHEADER => array("Expect:"), | |
| CURLOPT_RETURNTRANSFER => true | |
| ) | |
| ); | |
| $return['plain'] = curl_exec($plain); | |
| curl_close($plain); | |
| return $return; | |
| } | |
| return $result; | |
| } | |
| /** | |
| * Central static method for submitting either an HTML string or a URL, optionally retrieving converted versions | |
| * @static | |
| * @throws Exception | |
| * @param string $html Raw HTML source | |
| * @param bool $fetchresult Whether to also fetch the converted output | |
| * @param string $adaptor Which document handler to use (hpricot (default) or nokigiri) | |
| * @param string $base_url Base URL for converting relative links | |
| * @param int $line_length Length of lines in the plain text version (default 65) | |
| * @param string $link_query_string Query string appended to links | |
| * @param bool $preserve_styles Whether to preserve any link rel=stylesheet and style elements | |
| * @param bool $remove_ids Remove IDs from the HTML document? | |
| * @param bool $remove_classes Remove classes from the HTML document? | |
| * @param bool $remove_comments Remove comments from the HTML document? | |
| * @return array Either a single element array containing the 'result' object, or three elements containing result, html and plain if $fetchresult is set | |
| */ | |
| public static function html($html, $fetchresult = true, $adaptor = 'hpricot', $base_url = '', $line_length = 65, $link_query_string = '', $preserve_styles = true, $remove_ids = false, $remove_classes = false, $remove_comments = false) { | |
| return self::convert($html, '', $fetchresult, $adaptor, $base_url, $line_length, $link_query_string, $preserve_styles, $remove_ids, $remove_classes, $remove_comments); | |
| } | |
| /** | |
| * Central static method for submitting either an HTML string or a URL, optionally retrieving converted versions | |
| * @static | |
| * @throws Exception | |
| * @param string $url URL of the source file | |
| * @param bool $fetchresult Whether to also fetch the converted output | |
| * @param string $adaptor Which document handler to use (hpricot (default) or nokigiri) | |
| * @param string $base_url Base URL for converting relative links | |
| * @param int $line_length Length of lines in the plain text version (default 65) | |
| * @param string $link_query_string Query string appended to links | |
| * @param bool $preserve_styles Whether to preserve any link rel=stylesheet and style elements | |
| * @param bool $remove_ids Remove IDs from the HTML document? | |
| * @param bool $remove_classes Remove classes from the HTML document? | |
| * @param bool $remove_comments Remove comments from the HTML document? | |
| * @return array Either a single element array containing the 'result' object, or three elements containing result, html and plain if $fetchresult is set | |
| */ | |
| public static function url($url, $fetchresult = true, $adaptor = 'hpricot', $base_url = '', $line_length = 65, $link_query_string = '', $preserve_styles = true, $remove_ids = false, $remove_classes = false, $remove_comments = false) { | |
| return self::convert('', $url, $fetchresult, $adaptor, $base_url, $line_length, $link_query_string, $preserve_styles, $remove_ids, $remove_classes, $remove_comments); | |
| } | |
| } | |
| /* | |
| Simplest usage: | |
| $pre = Premailer::html($var_with_some_html_in); | |
| $html = $pre['html']; | |
| $plain = $pre['plain']; | |
| //Similarly for URLs: | |
| $pre = Premailer::url($url); | |
| */ | |
| ?> |
Thank you! Worked as expected first time :)
@barockok Thanks. I just wrote a Wordpress plugin for CF7 implementing your interface: CF7-Statifier
This is giving me - PHP Fatal error: Uncaught exception 'Exception' with message 'Error' in line 106.
Return undefined variable: Line 144 -->
return $result
It should be:
return $return
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Thanks, works like a charm! Any plans on creating a composer package for this?