youtube import wordpress

gistfile1.php

if($type == 'youtube'){
		$playlist_id = $_POST['convert'];
		if($old !== 'Data'){
			$url = "https://gdata.youtube.com/feeds/api/playlists/".$playlist_id."?v=2&alt=json&max-results=50";
			$data = json_decode(file_get_contents($url),true);
			$info = $data["feed"];
			$video = $info["entry"];
			for($i=0;$i<count($video);$i++){
			if($video[$i]['link'][0]['href'] != ""){
				$text_title = str_replace("'", '', $video[$i]['title']['$t']);
				$link .= $text_title.',';
				parse_str( parse_url( $video[$i]['link'][0]['href'], PHP_URL_QUERY ), $my_array_of_vars );
				$link2 = "https://www.youtube.com/watch?v=".$my_array_of_vars['v'];
				$link .= $link2.'$';
				}
			}
			$old = $link;

			$new = array();
			$dataArrays = explode( "$", $old );

			// $dataArrays = ["name1, url1", "name2, url2", "name3, url3"];

			foreach( $dataArrays as $dataArray ) {
				$separated = explode( ",", $dataArray );
				// $separated = ["name1", "url1"];
				array_push( $new, array(
						'name' => trim($separated[0]),
						'url'  => trim($separated[1])
					) );
			}

			if (empty($new) )
				add_post_meta($post_id, 'custom_video', $new, true);
			elseif (!empty( $new ) && $new != $old )
				update_post_meta($post_id, 'custom_video', $new, true);
		}
	}