Get all videos YouTube api

get_all.php

<?php
$yt_channel_id = '';//YouTube Channel id
$yt_api_key = '';//YouTube API key
function list_videos_w_page($chid, $api_key, $page_token = '')
{
    global $yt_channel_id;
    global $yt_api_key;
    if ($page_token == '') {
        $data = json_decode(file_get_contents("https://www.googleapis.com/youtube/v3/search?part=snippet&channelId=" . $chid . "&maxResults=50&order=date&type=video&key=$yt_api_key"), true);
    } else {
        $data = json_decode(file_get_contents("https://www.googleapis.com/youtube/v3/search?part=snippet&channelId=" . $chid . "&maxResults=50&order=date&type=video&key=$yt_api_key&pageToken=$page_token"), true);
    }
    foreach ($data['items'] as $val) {
        $vid = $val['id']['videoId'];//returns video id
        $title = str_replace("'", "-", $val['snippet']['title']);//returns video title
        $desc = str_replace("'", "-", $val['snippet']['description']);//returns video description
        $uploaded = date('Y-m-d H:i:s', strtotime($val['snippet']['publishedAt']));//returns video description
        echo "[$vid]($uploaded) $title<br>";
    }
    if (isset($data['nextPageToken'])) {//if exists means there is another page so do:
        echo list_videos_w_page($yt_channel_id, $yt_api_key, $data['nextPageToken']);
    }
}

echo list_videos_w_page($yt_channel_id, $yt_api_key);