Youtube API to get Video details of a Playlist in PHP

We will be using Google YouTube API to connect and fetch data. Read more on Google Developers YouTube API

Use your own YouTube API while using this script. Check the demo of the script showing Tkinter video list here.

Developing the script in PHP

Looping through all the videos of the playlist is done by reading and passing the nextPageToken value in each successive loops. Once the last page is reached, no value is returned by nextPageToken.
At the end of each loop we will check the length of the value of nextPageToken and then terminate the loop of it is not available.

do{
$x="https://www.googleapis.com/youtube/v3/playlistItems?
part=snippet%2CcontentDetails&maxResults=20&
playlistId=PLzz7R3Slbh5SBgyevCsjVXXygbWZCAPTa&
key=YOUR_API_KEY&pageToken=$p_token";

$json = file_get_contents($x);
$playlist = json_decode($json);
//echo $obj->items;
//echo var_dump($playlist);
echo "<hr>";
$i=0;
foreach($playlist->items as $item) {        

//print($item->snippet->publishedAt); // working 
//print($item->snippet->resourceId->videoId); // working 
//print($item->snippet->thumbnails->default->url); // working

print"<hr>";
$title=$item->snippet->title;
$v_id= $item->snippet->resourceId->videoId;
$thumb=$item->snippet->thumbnails->medium->url;
$i=$i+1;
} // end of foreach loop 
echo $playlist->pageInfo->totalResults;
echo "<br>";
echo $playlist->pageInfo->resultsPerPage;
echo "<br>";
echo $playlist->nextPageToken;
echo "<br>";
echo "Total ".$i;
$next=$playlist->nextPageToken;
}while(strlen($next)>10);

Youtube will return maximum 50 results, so to add paging to the results we will use this script.

$p_token=$_GET['p_token'];
$x="https://www.googleapis.com/youtube/v3/playlistItems?
part=snippet%2CcontentDetails&maxResults=20&
playlistId=PLzz7R3Slbh5SBgyevCsjVXXygbWZCAPTa&
key=YOUR_API_KEY&pageToken=$p_token";

$json = file_get_contents($x);
$playlist = json_decode($json);

//$i=0;
//echo $playlist->pageInfo->totalResults;
//echo $playlist->pageInfo->resultsPerPage;

$next=$playlist->nextPageToken;
$prev=$playlist->prevPageToken;
$n_links='';
if(strlen($prev)>10){
$n_links.= "<a href=tkinter-video-paging.php?p_token=$prev 
class='btn btn-outline-secondary'><span aria-hidden='true'>«</span> Previous</a>  ";
}
if(strlen($next)>10){
	$n_links.= " <a href=tkinter-video-paging.php?p_token=$next
 class='btn btn-outline-secondary' > Next <span aria-hidden='true'>»</span></a>";
}
echo $n_links;
echo "<ul class='list-group'>";
foreach($playlist->items as $item) {        


$title=$item->snippet->title;
$v_id= $item->snippet->resourceId->videoId;
$thumb=$item->snippet->thumbnails->medium->url;
echo "<li class='list-group-item d-flex justify-content-between align-items-center'>$title 
<a href=https://youtu.be/$v_id target=new>
<img src=https://i.ytimg.com/vi/$v_id/mqdefault.jpg  class='img-fluid' alt='quixote'></a>
</li>";
$i=$i+1;
}
echo "</ul>";
echo "Total ".$i."<br>";
echo $n_links;

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Subhendu Mohapatra

Author & Instructor at plus2net

I write and maintain practical tutorials on Python, PHP, SQL, JavaScript, HTML, jQuery, and web development at plus2net. The tutorials focus on clear explanations, working examples, and code that readers can test and adapt while learning.

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Data from Youtube Playlist

Developing the script in PHP

Subhendu Mohapatra