Defined (1)

The function is defined in the following location(s).

/wp-admin/includes/screen.php  

function get_hidden_meta_boxes( $screen ) { 
    if ( is_string( $screen ) ) 
        $screen = convert_to_screen( $screen ); 
 
    $hidden = get_user_option( "metaboxhidden_{$screen->id}" ); 
 
    $use_defaults = ! is_array( $hidden ); 
 
    // Hide slug boxes by default 
    if ( $use_defaults ) { 
        $hidden = array(); 
        if ( 'post' == $screen->base ) { 
            if ( 'post' == $screen->post_type || 'page' == $screen->post_type || 'attachment' == $screen->post_type ) 
                $hidden = array('slugdiv', 'trackbacksdiv', 'postcustom', 'postexcerpt', 'commentstatusdiv', 'commentsdiv', 'authordiv', 'revisionsdiv'); 
            else 
                $hidden = array( 'slugdiv' ); 
        } 
 
        /** 
         * Filters the default list of hidden meta boxes. 
         * 
         * @since 3.1.0 
         * 
         * @param array     $hidden An array of meta boxes hidden by default. 
         * @param WP_Screen $screen WP_Screen object of the current screen. 
         */ 
        $hidden = apply_filters( 'default_hidden_meta_boxes', $hidden, $screen ); 
    } 
 
    /** 
     * Filters the list of hidden meta boxes. 
     * 
     * @since 3.3.0 
     * 
     * @param array     $hidden       An array of hidden meta boxes. 
     * @param WP_Screen $screen       WP_Screen object of the current screen. 
     * @param bool      $use_defaults Whether to show the default meta boxes. 
     *                                Default true. 
     */ 
    return apply_filters( 'hidden_meta_boxes', $hidden, $screen, $use_defaults ); 
}