Microweber\Providers\MediaManager::thumbnail_img PHP Метод

    public function thumbnail_img($params)
    {
        extract($params);
        if (!isset($width)) {
            $width = 200;
        }
        if (!isset($height)) {
            $width = 200;
        }
        if (!isset($src) or $src == false) {
            return $this->pixum($width, $height);
        }
        $src = strtok($src, '?');
        $surl = $this->app->url_manager->site();
        $local = false;
        $media_url = media_base_url();
        $media_url = trim($media_url);
        $src = str_replace('{SITE_URL}', $surl, $src);
        $src = str_replace('%7BSITE_URL%7D', $surl, $src);
        $src = str_replace('..', '', $src);
        if (strstr($src, $surl) or strpos($src, $surl)) {
            $src = str_replace($surl . '/', $surl, $src);
            //$src = str_replace($media_url, '', $src);
            $src = str_replace($surl, '', $src);
            $src = ltrim($src, DS);
            $src = ltrim($src, '/');
            $src = rtrim($src, DS);
            $src = rtrim($src, '/');
            //$src = media_base_path() . $src;
            $src = MW_ROOTPATH . $src;
            $src = normalize_path($src, false);
        } else {
            $src1 = media_base_path() . $src;
            $src1 = normalize_path($src1, false);
            $src2 = MW_ROOTPATH . $src;
            $src2 = normalize_path($src2, false);
            $src3 = strtolower($src2);
            if (is_file($src1)) {
                $src = $src1;
            } elseif (is_file($src2)) {
                $src = $src2;
            } elseif (is_file($src3)) {
                $src = $src3;
            } else {
                $no_img = true;
                if ($no_img) {
                    return $this->pixum_img();
                }
            }
        }
        $media_root = media_base_path();
        $cd = $this->thumbnails_path() . $width . DS;
        if (!is_dir($cd)) {
            mkdir_recursive($cd);
        }
        $index_file = $cd . 'index.html';
        if (!is_file($index_file)) {
            file_put_contents($index_file, 'Thumbnail directory is not allowed');
        }
        if (!isset($ext)) {
            $ext = strtolower(get_file_extension($src));
        }
        $cache = md5(serialize($params)) . '.' . $ext;
        $cache = str_replace(' ', '_', $cache);
        if (isset($cache_id)) {
            $cache = str_replace(' ', '_', $cache_id);
            $cache = str_replace('..', '', $cache);
        }
        $cache_path = $cd . $cache;
        if (file_exists($cache_path)) {
            if (!headers_sent()) {
                if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
                    $if_modified_since = preg_replace('/;.*$/', '', $_SERVER['HTTP_IF_MODIFIED_SINCE']);
                } else {
                    $if_modified_since = '';
                }
                $mtime = filemtime($src);
                $gmdate_mod = gmdate('D, d M Y H:i:s', $mtime) . ' GMT';
                if ($if_modified_since == $gmdate_mod) {
                    header('HTTP/1.0 304 Not Modified');
                }
            }
        } else {
            if (file_exists($src)) {
                if ($ext == 'svg') {
                    $res1 = file_get_contents($src);
                    $res1 = $this->svgScaleHack($res1, $width, $height);
                    file_put_contents($cache_path, $res1);
                } else {
                    if ($ext == 'jpg' || $ext == 'jpeg' || $ext == 'gif' || $ext == 'png' || $ext == 'bmp') {
                        $tn = new \Microweber\Utils\Thumbnailer($src);
                        $thumbOptions = array('maxLength' => $height, 'width' => $width);
                        $tn->createThumb($thumbOptions, $cache_path);
                        unset($tn);
                    } else {
                        return $this->pixum_img();
                    }
                }
            }
        }
        $ext = get_file_extension($cache_path);
        if ($ext == 'jpg') {
            $ext = 'jpeg';
        }
        header('Content-Type: image/' . $ext);
        header('Content-Length: ' . filesize($cache_path));
        readfile($cache_path);
        exit;
    }