// Save Featured Image If It's a youtube video
add_action('save_post', 'wds_video_sideload_post_thumb');
function wds_video_sideload_post_thumb() {
global $post;
$youtube_url = get_post_meta( $post->ID, 'videobox', true );
$youtubeid = youtubeid($youtube_url);
$thumb_url = 'http://img.youtube.com/vi/'. $youtubeid .'/0.jpg';
require_once(ABSPATH . 'wp-admin/includes/file.php');
require_once(ABSPATH . 'wp-admin/includes/media.php');
set_time_limit(300);
if ( ! empty($thumb_url) ) {
// Download file to temp location
$tmp = download_url( $thumb_url );
// Set variables for storage
// fix file filename for query strings
preg_match('/[^\?]+\.(jpg|JPG|jpe|JPE|jpeg|JPEG|gif|GIF|png|PNG)/', $thumb_url, $matches);
$file_array['name'] = basename($matches[0]);
$file_array['tmp_name'] = $tmp;
// If error storing temporarily, unlink
if ( is_wp_error( $tmp ) ) {
@unlink($file_array['tmp_name']);
$file_array['tmp_name'] = '';
}
// do the validation and storage stuff
$thumbid = media_handle_sideload( $file_array, $post->ID, $desc );
// If error storing permanently, unlink
if ( is_wp_error($thumbid) ) {
@unlink($file_array['tmp_name']);
return $thumbid;
}
}
set_post_thumbnail( $post, $thumbid );
}
function youtubeid($url) {
$domain = parse_url( $url, PHP_URL_HOST );
$url = esc_url( $url );
if ( $domain == 'www.youtube.com' || $domain == 'youtube.com' ) {
parse_str( parse_url( $url, PHP_URL_QUERY ) );
$youtubeid = $v;
} else {
$youtubeid = '';
}
return $youtubeid;
}