]+>.+?http://www\.twitch\.tv/widgets/archive_embed_player\.swf.+?chapter_id=([0-9]+).+?#s', // Flash embed '#]+>.+?http://www\.twitch\.tv/swflibs/TwitchPlayer\.swf.+?videoId=c([0-9]+).+?#s', // Newer Flash embed ); // Thumbnail URL public function get_thumbnail_url( $id ) { $request = "https://api.twitch.tv/kraken/videos/c$id"; $response = wp_remote_get( $request ); if( is_wp_error( $response ) ) { $result = $this->construct_info_retrieval_error( $request, $response ); } else { $result = json_decode( $response['body'] ); $result = $result->preview; } return $result; } // Test cases public static function get_test_cases() { return array( array( 'markup' => 'http://www.twitch.tv/jodenstone/c/5793313', 'expected' => 'http://static-cdn.jtvnw.net/jtv.thumbs/archive-605904705-320x240.jpg', 'expected_hash' => '1b2c51fc7380c74d1b2d34751d73e4cb', 'name' => __( 'Video URL', 'video-thumbnails' ) ), array( 'markup' => '', 'expected' => 'http://static-cdn.jtvnw.net/jtv.thumbs/archive-605904705-320x240.jpg', 'expected_hash' => '1b2c51fc7380c74d1b2d34751d73e4cb', 'name' => __( 'Flash Embed', 'video-thumbnails' ) ), ); } } ?>