Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: image_size_names_choose

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
461       */
462      public function filter_upload_tabs( $tabs ) {
463           return $tabs;
464      }
465
466      public function wp_set_background_image() {
467           if ( ! current_user_can('edit_theme_options') || ! isset( $_POST['attachment_id'] ) ) exit;
468           $attachment_id = absint($_POST['attachment_id']);
469           /** This filter is documented in wp-admin/includes/media.php */
470           $sizes = array_keys(apply_filters( 'image_size_names_choose', array('thumbnail' => __('Thumbnail'), 'medium' => __('Medium'), 'large' => __('Large'), 'full' => __('Full Size')) ));
471           $size = 'thumbnail';
472           if ( in_array( $_POST['size'], $sizes ) )
473                $size = esc_attr( $_POST['size'] );
474
475           update_post_meta( $attachment_id, '_wp_attachment_is_custom_background', get_option('stylesheet' ) );
476           $url = wp_get_attachment_image_src( $attachment_id, $size );
477           $thumbnail = wp_get_attachment_image_src( $attachment_id, 'thumbnail' );
478           set_theme_mod( 'background_image', esc_url_raw( $url[0] ) );
479           set_theme_mod( 'background_image_thumb', esc_url_raw( $thumbnail[0] ) );