This Work’s
add_action( 'save_post', 'set_featured_image' );
function set_featured_image( $post_id )
{
global $wpdb, $plugin_prefix;
$post_type = get_post_type($post_id);
$table_name = $plugin_prefix . $post_type . '_detail';
$obj_geodir_profilbild = $wpdb->get_results( $wpdb->prepare( "SELECT geodir_profilbild FROM " . $table_name . " WHERE post_id = %d ", array($post_id) ));
if (count($obj_geodir_profilbild)>0)
{
$geodir_profilbild =$obj_geodir_profilbild[0]->geodir_profilbild;
}
// todo Check if featured image exists
Generate_Featured_Image( $geodir_profilbild, $post_id );
}
function Generate_Featured_Image( $image_url, $post_id )
{
$upload_dir = wp_upload_dir();
$image_data = file_get_contents($image_url);
$filename = basename($image_url);
if(wp_mkdir_p($upload_dir['path'])) $file = $upload_dir['path'] . '/' . $filename;
else $file = $upload_dir['basedir'] . '/' . $filename;
file_put_contents($file, $image_data);
$wp_filetype = wp_check_filetype($filename, null );
$attachment = array(
'post_mime_type' => $wp_filetype['type'],
'post_title' => sanitize_file_name($filename),
'post_content' => '',
'post_status' => 'inherit'
);
$attach_id = wp_insert_attachment( $attachment, $file, $post_id );
require_once(ABSPATH . 'wp-admin/includes/image.php');
$attach_data = wp_generate_attachment_metadata( $attach_id, $file );
$res1= wp_update_attachment_metadata( $attach_id, $attach_data );
$res2= set_post_thumbnail( $post_id, $attach_id );
}