Files
piratepoet/lib/Newsletter/Renderer/PostProcess/OpenTracking.php

29 lines
830 B
PHP

<?php
namespace MailPoet\Newsletter\Renderer\PostProcess;
use MailPoet\Newsletter\Links\Links;
use MailPoet\Newsletter\Renderer\Renderer;
class OpenTracking {
static function process($template) {
$DOM = new \pQuery();
$DOM = $DOM->parseStr($template);
$template = $DOM->query('body');
// url is a temporary data tag that will be further replaced with
// the proper track API URL during sending
$url = Links::DATA_TAG_OPEN;
$open_tracking_image = sprintf(
'<img alt="" class="" src="%s"/>',
$url
);
$template->html($template->html() . $open_tracking_image);
return $DOM->__toString();
}
static function addTrackingImage() {
add_filter(Renderer::POST_PROCESS_FILTER, function ($template) {
return OpenTracking::process($template);
});
return true;
}
}