public function parseUrl($url)
 {
     $essence = new \Essence\Essence();
     $options = EmbeddedAssetsPlugin::getParameters();
     $result = $essence->extract($url, $options);
     if ($result && $result->html) {
         $properties = array();
         foreach ($result as $property => $value) {
             if (empty($value) && isset($this->_ogProperties[$property])) {
                 $properties[] = $property;
             }
         }
         if (!empty($properties)) {
             try {
                 $data = $this->_readExternalFile($url);
                 $reader = new \Opengraph\Reader();
                 $reader->parse($data);
                 foreach ($properties as $property) {
                     $ogProperty = $this->_ogProperties[$property];
                     $result->{$property} = $reader->getMeta($ogProperty);
                 }
             } catch (\Exception $e) {
             }
         }
     }
     return $result;
 }
 public function parseUrl($url)
 {
     $essence = new \Essence\Essence();
     $options = EmbeddedAssetsPlugin::getParameters();
     EmbeddedAssetsPlugin::log("Requesting URL \"{$url}\"");
     $result = $essence->extract($url, $options);
     if ($result && $result->html) {
         EmbeddedAssetsPlugin::log("Embed data found");
         $properties = array();
         foreach ($result as $property => $value) {
             if (empty($value) && isset($this->_ogProperties[$property])) {
                 $properties[] = $property;
             }
         }
         if (!empty($properties)) {
             EmbeddedAssetsPlugin::log("Some data missing - looking for related Open Graph metadata");
             try {
                 $data = $this->_readExternalFile($url);
                 if (!$data) {
                     throw new \Exception("Could not read data");
                 }
                 $reader = new \Opengraph\Reader();
                 $reader->parse($data);
                 foreach ($properties as $property) {
                     $ogProperty = $this->_ogProperties[$property];
                     $result->{$property} = $reader->getMeta($ogProperty);
                 }
             } catch (\Exception $e) {
                 EmbeddedAssetsPlugin::log("Error requesting/parsing Open Graph metadata (\"{$e->getMessage()}\")", LogLevel::Warning);
             }
         }
     }
     return $result;
 }
 /**
  *
  */
 public static function insert_posts($data)
 {
     if (!is_array($data)) {
         return;
     }
     foreach ($data as $post) {
         if (!self::post_exists($post['ext_guid'])) {
             $inserted_post_id = wp_insert_post($post);
             update_post_meta($inserted_post_id, 'original_permalink', $post['ext_permalink']);
             update_post_meta($inserted_post_id, 'original_guid', $post['ext_guid']);
             if (isset($post['post_meta'])) {
                 foreach ($post['post_meta'] as $key => $value) {
                     update_post_meta($inserted_post_id, $key, $value);
                 }
             }
             $ext_embed_code = isset($post['ext_embed_code']) ? trim($post['ext_embed_code']) : '';
             if ($ext_embed_code) {
                 update_post_meta($inserted_post_id, 'embed_code', $post['ext_embed_code']);
             }
             //$ext_image = isset($post['ext_image']) && !is_array($post['ext_image']) ? trim($post['ext_image']) : '';
             if (!empty($post['ext_image'])) {
                 if (!is_array($post['ext_image'])) {
                     update_post_meta($inserted_post_id, 'image_url', trim($post['ext_image']));
                     self::post_image_to_media_library($post['ext_image'], $inserted_post_id, $post['post_title'], true, $post['post_date']);
                 } else {
                     //[$i]['link_url']
                     //[$i]['image_url']
                     //[$i]['title']
                     update_post_meta($inserted_post_id, 'image_url', trim($post['ext_image'][0]['image_url']));
                     foreach ($post['ext_image'] as $post_image) {
                         self::post_image_to_media_library(trim($post_image['image_url']), $inserted_post_id, $post_image['title'], true, $post['post_date']);
                     }
                 }
             } else {
                 // possible performance hog
                 // to do:
                 // * activate or deactivate in settings
                 // * check if image-url was already saved (in another article) if so, use it instead
                 if ($post['ext_permalink'] != "") {
                     $reader = new Opengraph\Reader();
                     $open_graph_content = self::my_get_remote_content($post['ext_permalink']);
                     if ($open_graph_content) {
                         try {
                             $reader->parse($open_graph_content);
                             $open_graph_data = $reader->getArrayCopy();
                             $image_data = isset($open_graph_data[$reader::OG_IMAGE]) ? array_pop($open_graph_data[$reader::OG_IMAGE]) : array();
                             $image_url = isset($image_data['og:image:url']) ? $image_data['og:image:url'] : '';
                             if ($image_url != "") {
                                 update_post_meta($inserted_post_id, 'image_url', $image_url);
                                 self::post_image_to_media_library($image_url, $inserted_post_id, $post['post_title'], true, $post['post_date']);
                             }
                         } catch (RuntimeException $e) {
                             self::log('Remote opengraph-content not parsable:' . $open_graph_content);
                         }
                     } else {
                         self::log('No ext_permalink remote content fetched');
                     }
                 }
             }
             if ($post['post_format'] != "") {
                 set_post_format($inserted_post_id, $post['post_format']);
             }
         }
     }
 }