YouTubeAPI - V3 - Search by Keyword for Videos

YouTubeAPI-v3.inc.php

<?php
// Make your key https://console.developers.google.com
define('YOUTUBE_API_KEY', 'XXXXXXXXXXXXXXXXXXXXXXXXXXX'); 

class YouTubeAPI {
    private $keyword="";
    private $maxResults = 10;
    private $order = "viewCount";
    private $query = '';
    private $data = '';
    
    public function __construct($keyword, $maxResults = 10, $order = 'viewCount') {
        $this->keyword = $keyword;
        $this->maxResults = $maxResults;
        $this->order = $order;
        $this->query = 'https://www.googleapis.com/youtube/v3/search?part=snippet&q=' . urlencode($keyword) . "&maxResults=$maxResults&order=$order&key=" . YOUTUBE_API_KEY;
        $this->getData();
    }
    
    private function getData (){
        $context = stream_context_create(array(
            'http' => array(
              'method' => 'GET',
              'header' => "Content-Type: type=application/json\r\n"
              )
            )
          );
        stream_context_create($headers);
        $this->data = json_decode(file_get_contents($this->query), true);
    }
    
    public function getResults (){
        if (empty($this->data['items']))
            return false;
        
        $results = array();
        foreach ($this->data['items'] as $item) {
            if (!isset($item['id']['videoId']))
                continue;
            
            $result = $item['snippet'];
            $result['link'] = 'https://www.youtube.com/watch?v=' . $item['id']['videoId'];
            $result['embed_url'] = 'https://www.youtube.com/embed/' . $item['id']['videoId'];
            $result['thumbnail'] = $item['snippet']['thumbnails']['default']['url'];
            $results[] = $result;
        }
        
        return $results;
    }
    
}



// Invoke with

function youtube_videos($term,$limit=5) {
    $youtube = new YouTubeAPI($term,$limit);
    $results = $youtube->getResults();
    return !$results ? array() : $results;
}

// To Do, No guarantees - Results on Failure