Microweber\Providers\Content\ContentManagerHelpers::download_remote_images_from_text PHP Method

    public function download_remote_images_from_text($text)
    {
        $site_url = $this->app->url_manager->site();
        $images = $this->app->parser->query($text, 'img');
        $to_download = array();
        $to_replace = array();
        $possible_sources = array();
        if (!empty($images)) {
            foreach ($images as $image) {
                $srcs = array();
                preg_match('/src="([^"]*)"/i', $image, $srcs);
                if (!empty($srcs) and isset($srcs[1]) and $srcs[1] != false) {
                    $possible_sources[] = $srcs[1];
                }
            }
        }
        if (!empty($possible_sources)) {
            foreach ($possible_sources as $image_src) {
                if (!stristr($image_src, $site_url)) {
                    $to_replace[] = $image_src;
                    $image_src = strtok($image_src, '?');
                    $ext = get_file_extension($image_src);
                    switch (strtolower($ext)) {
                        case 'jpg':
                        case 'jpeg':
                        case 'png':
                        case 'gif':
                        case 'svg':
                            $to_download[] = $image_src;
                            break;
                        default:
                            break;
                    }
                }
            }
        }
        if (!empty($to_download)) {
            $to_download = array_unique($to_download);
            if (!empty($to_download)) {
                foreach ($to_download as $src) {
                    $dl_dir = media_base_path() . 'downloaded' . DS;
                    if (!is_dir($dl_dir)) {
                        mkdir_recursive($dl_dir);
                    }
                    $dl_file = $dl_dir . md5($src) . basename($src);
                    if (!is_file($dl_file)) {
                        $is_dl = $this->app->url_manager->download($src, false, $dl_file);
                    }
                    if (is_file($dl_file)) {
                        $url_local = dir2url($dl_file);
                        $text = str_ireplace($src, $url_local, $text);
                    }
                }
            }
        }
        return $text;
    }