List YouTube's Channel Videos Not in a Playlist

youtube-not-playlist-script.php

<?php 

function getSslPage($url) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_HEADER, false);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_REFERER, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
    $result = curl_exec($ch);
    curl_close($ch);
    return $result;
}

//params
$order = "date";
$part = "snippet";
$channel_id = "UCtinbF-Q-fVthA0qrFQTgXQ";
$max_results = 50;
$api_key = "APIKEYGOESHERE";

$feedurl = 'https://www.googleapis.com/youtube/v3/search?order='.$order.'&part='.$part.'&channelId='.$channel_id.'&maxResults='.$max_results.'&key='.$api_key;
print($feedurl . PHP_EOL. PHP_EOL);

$feed = getSslPage($feedurl);
$feed_arr = json_decode($feed, true);

//print_r($feed_arr);

$items = $feed_arr['items'];

foreach($items as $item) {
   if( (isset($item['id']['videoId'])) OR (!empty($item['id']['videoId'])) ) {
        echo 'https://www.youtube.com/watch?v='.$item['id']['videoId'] . PHP_EOL;
   }
}