WP_Screen::show_screen_options(): bool

996	public function show_screen_options() {997		global $wp_meta_boxes;998 999		if ( is_bool( $this->_show_screen_options ) ) {1000			return $this->_show_screen_options;1001		}1002 1003		$columns = get_column_headers( $this );1004 1005		$show_screen = ! empty( $wp_meta_boxes[ $this->id ] ) || $columns || $this->get_option( 'per_page' );1006 1007		$this->_screen_settings = '';1008 1009		if ( 'post' === $this->base ) {1010			$expand                 = '<fieldset class="editor-expand hidden"><legend>' . __( 'Additional settings' ) . '</legend><label for="editor-expand-toggle">';1011			$expand                .= '<input type="checkbox" id="editor-expand-toggle"' . checked( get_user_setting( 'editor_expand', 'on' ), 'on', false ) . ' />';1012			$expand                .= __( 'Enable full-height editor and distraction-free functionality.' ) . '</label></fieldset>';1013			$this->_screen_settings = $expand;1014		}1015 1016		/**1017		 * Filters the screen settings text displayed in the Screen Options tab.1018		 *1019		 * @since 3.0.01020		 *1021		 * @param string    $screen_settings Screen settings.1022		 * @param WP_Screen $screen          WP_Screen object.1023		 */1024		$this->_screen_settings = apply_filters( 'screen_settings', $this->_screen_settings, $this );1025 1026		if ( $this->_screen_settings || $this->_options ) {1027			$show_screen = true;1028		}1029 1030		/**1031		 * Filters whether to show the Screen Options tab.1032		 *1033		 * @since 3.2.01034		 *1035		 * @param bool      $show_screen Whether to show Screen Options tab.1036		 *                               Default true.1037		 * @param WP_Screen $screen      Current WP_Screen instance.1038		 */1039		$this->_show_screen_options = apply_filters( 'screen_options_show_screen', $show_screen, $this );1040		return $this->_show_screen_options;1041	}