newsletter = $newsletter; $this->subscriber = $subscriber; $this->queue = $queue; $this->wpUserPreview = $wpUserPreview; } public function extract($content, $categories = false) { $categories = (is_array($categories)) ? implode('|', $categories) : false; // match: [category:shortcode] or [category|category|...:shortcode] // dot not match: [category://shortcode] - avoids matching http/ftp links $regex = sprintf( '/\[%s:(?!\/\/).*?\]/ism', ($categories) ? '(?:' . $categories . ')' : '(?:\w+)' ); preg_match_all($regex, $content, $shortcodes); $shortcodes = $shortcodes[0]; return (count($shortcodes)) ? array_unique($shortcodes) : false; } public function match($shortcode) { preg_match( '/\[(?P\w+)?:(?P\w+)(?:.*?\|.*?(?P\w+):(?P.*?))?\]/', $shortcode, $match ); return $match; } public function process($shortcodes, $content = false) { $_this = $this; $processedShortcodes = array_map( function($shortcode) use ($content, $_this) { $shortcodeDetails = $_this->match($shortcode); $shortcodeDetails['shortcode'] = $shortcode; $shortcodeDetails['category'] = !empty($shortcodeDetails['category']) ? $shortcodeDetails['category'] : false; $shortcodeDetails['action'] = !empty($shortcodeDetails['action']) ? $shortcodeDetails['action'] : false; $shortcodeDetails['action_argument'] = !empty($shortcodeDetails['argument']) ? $shortcodeDetails['argument'] : false; $shortcodeDetails['action_argument_value'] = !empty($shortcodeDetails['argument_value']) ? $shortcodeDetails['argument_value'] : false; $shortcodeClass = Shortcodes::SHORTCODE_CATEGORY_NAMESPACE . ucfirst($shortcodeDetails['category']); if (!class_exists($shortcodeClass)) { $customShortcode = WPFunctions::get()->applyFilters( 'mailpoet_newsletter_shortcode', $shortcode, $_this->newsletter, $_this->subscriber, $_this->queue, $content, $_this->wpUserPreview ); return ($customShortcode === $shortcode) ? false : $customShortcode; } return $shortcodeClass::process( $shortcodeDetails, $_this->newsletter, $_this->subscriber, $_this->queue, $content, $_this->wpUserPreview ); }, $shortcodes); return $processedShortcodes; } public function replace($content, $contentSource = null, $categories = null) { $shortcodes = $this->extract($content, $categories); if (!$shortcodes) { return $content; } // if content contains only shortcodes (e.g., [newsletter:post_title]) but their processing // depends on some other content (e.g., "post_id" inside a rendered newsletter), // then we should use that content source when processing shortcodes $processedShortcodes = $this->process( $shortcodes, ($contentSource) ? $contentSource : $content ); $shortcodes = array_intersect_key($shortcodes, $processedShortcodes); return str_replace($shortcodes, $processedShortcodes, $content); } }