Source

57class Source implements RegistryAware58{59    public $item;60    public $data = [];61    protected $registry;62 63    public function __construct($item, $data)64    {65        $this->item = $item;66        $this->data = $data;67    }68 69    public function set_registry(\SimplePie\Registry $registry)/* : void */70    {71        $this->registry = $registry;72    }73 74    public function __toString()75    {76        return md5(serialize($this->data));77    }78 79    public function get_source_tags($namespace, $tag)80    {81        if (isset($this->data['child'][$namespace][$tag])) {82            return $this->data['child'][$namespace][$tag];83        }84 85        return null;86    }87 88    public function get_base($element = [])89    {90        return $this->item->get_base($element);91    }92 93    public function sanitize($data, $type, $base = '')94    {95        return $this->item->sanitize($data, $type, $base);96    }97 98    public function get_item()99    {100        return $this->item;101    }102 103    public function get_title()104    {105        if ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'title')) {106            return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_10_construct_type', [$return[0]['attribs']]), $this->get_base($return[0]));107        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'title')) {108            return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_03_construct_type', [$return[0]['attribs']]), $this->get_base($return[0]));109        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_10, 'title')) {110            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));111        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_090, 'title')) {112            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));113        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'title')) {114            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));115        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'title')) {116            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);117        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'title')) {118            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);119        }120 121        return null;122    }123 124    public function get_category($key = 0)125    {126        $categories = $this->get_categories();127        if (isset($categories[$key])) {128            return $categories[$key];129        }130 131        return null;132    }133 134    public function get_categories()135    {136        $categories = [];