Locator

55class Locator implements RegistryAware56{57    public $useragent;58    public $timeout;59    public $file;60    public $local = [];61    public $elsewhere = [];62    public $cached_entities = [];63    public $http_base;64    public $base;65    public $base_location = 0;66    public $checked_feeds = 0;67    public $max_checked_feeds = 10;68    public $force_fsockopen = false;69    public $curl_options = [];70    public $dom;71    protected $registry;72 73    public function __construct(\SimplePie\File $file, $timeout = 10, $useragent = null, $max_checked_feeds = 10, $force_fsockopen = false, $curl_options = [])74    {75        $this->file = $file;76        $this->useragent = $useragent;77        $this->timeout = $timeout;78        $this->max_checked_feeds = $max_checked_feeds;79        $this->force_fsockopen = $force_fsockopen;80        $this->curl_options = $curl_options;81 82        if (class_exists('DOMDocument') && $this->file->body != '') {83            $this->dom = new \DOMDocument();84 85            set_error_handler(['SimplePie\Misc', 'silence_errors']);86            try {87                $this->dom->loadHTML($this->file->body);88            } catch (\Throwable $ex) {89                $this->dom = null;90            }91            restore_error_handler();92        } else {93            $this->dom = null;94        }95    }96 97    public function set_registry(\SimplePie\Registry $registry)/* : void */98    {99        $this->registry = $registry;100    }101 102    public function find($type = \SimplePie\SimplePie::LOCATOR_ALL, &$working = null)103    {104        if ($this->is_feed($this->file)) {105            return $this->file;106        }107 108        if ($this->file->method & \SimplePie\SimplePie::FILE_SOURCE_REMOTE) {109            $sniffer = $this->registry->create(Content\Type\Sniffer::class, [$this->file]);110            if ($sniffer->get_type() !== 'text/html') {111                return null;112            }113        }114 115        if ($type & ~\SimplePie\SimplePie::LOCATOR_NONE) {116            $this->get_base();117        }118 119        if ($type & \SimplePie\SimplePie::LOCATOR_AUTODISCOVERY && $working = $this->autodiscovery()) {120            return $working[0];121        }122 123        if ($type & (\SimplePie\SimplePie::LOCATOR_LOCAL_EXTENSION | \SimplePie\SimplePie::LOCATOR_LOCAL_BODY | \SimplePie\SimplePie::LOCATOR_REMOTE_EXTENSION | \SimplePie\SimplePie::LOCATOR_REMOTE_BODY) && $this->get_links()) {124            if ($type & \SimplePie\SimplePie::LOCATOR_LOCAL_EXTENSION && $working = $this->extension($this->local)) {125                return $working[0];126            }127 128            if ($type & \SimplePie\SimplePie::LOCATOR_LOCAL_BODY && $working = $this->body($this->local)) {129                return $working[0];130            }131 132            if ($type & \SimplePie\SimplePie::LOCATOR_REMOTE_EXTENSION && $working = $this->extension($this->elsewhere)) {133                return $working[0];134            }