function youtubeAPI($url){

    $youtube_api_key = "AIzaSyCacpxaBsQxWJscemhzDDc-_8_JA__VCmw";
    
    parse_str( parse_url( $url, PHP_URL_QUERY ), $u_id );
    //-- https://youtu.be/fdoLXChlJ_4 형태로 들어올수 있으므로 처리 추가
    if($u_id['v'] == ''){
        $url_arr = explode('/', $url);
        $u_id['v'] = end($url_arr);
    }

    $snippet_url = "https://www.googleapis.com/youtube/v3/videos?id=".$u_id['v']."&fields=items&key=".$youtube_api_key."&part=snippet"; //채널 ID 알아낼수있음 -> 구독자수
    $snippet_json = file_get_contents($snippet_url);
    $snippet_ob = json_decode($snippet_json);

    //-- var_dump($snippet_json); 
    
    foreach ( $snippet_ob->items as $data ){
        $channelId = $data->snippet->channelId;       // 채널 ID 
        $uploadDate = $data->snippet->publishedAt;    
            // 업로드일 --------- 업로드일이 등록일이 되는 것임(이유 : 조회수가 이미 많은 영상을 등록 할 수 있음) -- 설정된 날짜(30일 후)의 조회수 - 우리쪽 등록일의 조회수 = ?? 이게 맞는가 ㅋ 확인 필요!
        $thumbnails[120] = $data->snippet->thumbnails->default->url;      // 썸네일 120x90
        $thumbnails[320] = $data->snippet->thumbnails->medium->url;       // 썸네일 320x180      
    }

    $statistics_url = "https://www.googleapis.com/youtube/v3/videos?id=".$u_id['v']."&key=".$youtube_api_key."&part=statistics"; // 영상 좋아요 , 댓글 수 , 조회 수   

     //영상 좋아요 댓글, 조회 수
    $statistics_json = file_get_contents($statistics_url);
    $statistics_ob = json_decode($statistics_json);
    
    foreach ( $statistics_ob->items as $data ){
        $viewCount = $data->statistics->viewCount;          // 조회수      
    }
    
    if($channelId){
        return array('chnnelId'=>$channelId, 'thumnail1'=>$thumbnails[120], 'thumnail2'=>$thumbnails[320], 'viewCount' => $viewCount, 'state' => true);
        // 채널명, 썸네일(가로 120px) URL, 썸네일(가로 320px) URL, 영상조회수, 상태값(영상이 없는경우 false)
    }else{
        return array('state' => false);
    }
}    

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