PHP Pressbooks\Image\attachment_id_from_url Examples

Example #1

File: class-pb-catalog.php Project: pressbooks/pressbooks

 /**
  * WP_Ajax hook for pb_delete_catalog_logo
  */
 static function deleteLogo()
 {
     check_ajax_referer('pb-delete-catalog-logo');
     $image_url = $_POST['filename'];
     $user_id = (int) $_POST['pid'];
     $book = get_active_blog_for_user($user_id);
     if (current_user_can_for_blog($book->blog_id, 'upload_files')) {
         switch_to_blog($book->blog_id);
         // Delete old images
         $old_id = \Pressbooks\Image\attachment_id_from_url($image_url);
         if ($old_id) {
             wp_delete_attachment($old_id, true);
         }
         update_user_meta($user_id, 'pb_catalog_logo', \Pressbooks\Image\default_cover_url());
         restore_current_blog();
     }
     // @see http://codex.wordpress.org/AJAX_in_Plugins#Error_Return_Values
     // Will append 0 to returned json string if we don't die()
     die;
 }

Example #2

File: pb-metaboxes.php Project: pressbooks/pressbooks

/**
 * WP_Ajax hook for pb_delete_cover_image
 */
function delete_cover_image()
{
    if (current_user_can_for_blog(get_current_blog_id(), 'upload_files') && check_ajax_referer('pb-delete-cover-image')) {
        $image_url = $_POST['filename'];
        $pid = $_POST['pid'];
        // Delete old images
        $old_id = \Pressbooks\Image\attachment_id_from_url($image_url);
        if ($old_id) {
            wp_delete_attachment($old_id, true);
        }
        update_post_meta($pid, 'pb_cover_image', \Pressbooks\Image\default_cover_url());
        \Pressbooks\Book::deleteBookObjectCache();
    }
    // @see http://codex.wordpress.org/AJAX_in_Plugins#Error_Return_Values
    // Will append 0 to returned json string if we don't die()
    die;
}