postbox_classes()
最后更新于:2021-11-27 18:49:20
postbox_classes( string$box_id, string$screen_id)响应s the list of classes to be used by a meta box.
参数
- $box_id
-
(string) (Required) Meta box ID (used in the ‘id’ attribute for the meta box).
- $screen_id
-
(string) (Required) The screen on which the meta box is shown.
响应
(string) Space-separated string of class names.
源文件
文件: gc-admin/includes/post.php
function postbox_classes( $box_id, $screen_id ) {
if ( isset( $_GET['edit'] ) && $_GET['edit'] == $box_id ) {
$classes = array( '' );
} elseif ( get_user_option( 'closedpostboxes_' . $screen_id ) ) {
$closed = get_user_option( 'closedpostboxes_' . $screen_id );
if ( ! is_array( $closed ) ) {
$classes = array( '' );
} else {
$classes = in_array( $box_id, $closed, true ) ? array( 'closed' ) : array( '' );
}
} else {
$classes = array( '' );
}
/**
* Filters the postbox classes for a specific screen and box ID combo.
*
* The dynamic portions of the hook name, `$screen_id` and `$box_id`, refer to
* the screen ID and meta box ID, respectively.
*
* @since 3.2.0
*
* @param string[] $classes An array of postbox classes.
*/
$classes = apply_filters( "postbox_classes_{$screen_id}_{$box_id}", $classes );
return implode( ' ', $classes );
}