Title: WP_Screen
Published: April 25, 2014
Last modified: February 24, 2026

---

# class WP_Screen {}

## In this article

 * [More Information](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#more-information)
 * [Role of WP_Screen](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#role-of-wp_screen)
 * [Properties](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#properties)
    - [Public Properties](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#public-properties)
    - [Private Properties](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#private-properties)
 * [Methods](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#methods)
 * [Source](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#source)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#changelog)
 * [User Contributed Notes](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#user-contributed-notes)

[ Back to top](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#wp--skip-link--target)

Core class used to implement an admin screen API.

## 󠀁[More Information](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#more-information)󠁿

## 󠀁[Role of WP_Screen](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#role-of-wp_screen)󠁿

This is a concrete class that is instantiated in the WordPress $screen global. It
is primarily used to create and customize WordPress admin screens (as of WordPress
3.3).

## 󠀁[Properties](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#properties)󠁿

Note: Please refer source code for the complete list of properties.

### 󠀁[Public Properties](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#public-properties)󠁿

The following properties are built into the [WP_Screen](https://developer.wordpress.org/reference/classes/wp_screen/)
class.

  $action Any action associated with the screen. 'add' for *-add.php and *-new.php
screens. Empty otherwise. $base The base type of the screen. This is typically the
same as $id but with any post types and taxonomies stripped. For example, for an
$id of 'edit-post' the base is 'edit'. $id The unique ID of the screen. $is_network
Whether the screen is in the network admin. $is_user Whether the screen is in the
user admin. $parent_base The base menu parent. This is derived from $parent_file
by removing the query string and any .php extension. $parent_file values of 'edit.
php?post_type=page' and 'edit.php?post_type=post' have a $parent_base of 'edit'.
$parent_file The $parent_file for the screen per the admin menu system. Some $parent_file
values are 'edit.php?post_type=page', 'edit.php', and 'options-general.php'. $post_type
The post type associated with the screen, if any. The 'edit.php?post_type=page' 
screen has a post type of 'page'. The 'edit-tags.php?taxonomy=$taxonomy&post_type
=page' screen has a post type of 'page'. $taxonomy The taxonomy associated with 
the screen, if any. The 'edit-tags.php?taxonomy=category' screen has a taxonomy 
of 'category'.

### 󠀁[Private Properties](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#private-properties)󠁿

The following properties are built into the [WP_Screen](https://developer.wordpress.org/reference/classes/wp_screen/)
class.

  $_help_tabs Private. The help tab data associated with the screen, if any. $_help_sidebar
Private. The help sidebar data associated with screen, if any. $_old_compat_help
Private. Stores old string-based help. $_options Private. The screen options associated
with screen, if any. $_registry Private. The screen object registry. $_show_screen_options
Private. Stores the result of the public show_screen_options() function. $_screen_settings
Private. Stores the 'screen_settings' section of screen options.

## 󠀁[Methods](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#methods)󠁿

| Name | Description | 
| [WP_Screen::__construct](https://developer.wordpress.org/reference/classes/wp_screen/__construct/) | Constructor | 
| [WP_Screen::add_help_tab](https://developer.wordpress.org/reference/classes/wp_screen/add_help_tab/) | Adds a help tab to the contextual help for the screen. | 
| [WP_Screen::add_old_compat_help](https://developer.wordpress.org/reference/classes/wp_screen/add_old_compat_help/) | Sets the old string-based contextual help for the screen for backward compatibility. | 
| [WP_Screen::add_option](https://developer.wordpress.org/reference/classes/wp_screen/add_option/) | Adds an option for the screen. | 
| [WP_Screen::get](https://developer.wordpress.org/reference/classes/wp_screen/get/) | Fetches a screen object. | 
| [WP_Screen::get_columns](https://developer.wordpress.org/reference/classes/wp_screen/get_columns/) | Gets the number of layout columns the user has selected. | 
| [WP_Screen::get_help_sidebar](https://developer.wordpress.org/reference/classes/wp_screen/get_help_sidebar/) | Gets the content from a contextual help sidebar. | 
| [WP_Screen::get_help_tab](https://developer.wordpress.org/reference/classes/wp_screen/get_help_tab/) | Gets the arguments for a help tab. | 
| [WP_Screen::get_help_tabs](https://developer.wordpress.org/reference/classes/wp_screen/get_help_tabs/) | Gets the help tabs registered for the screen. | 
| [WP_Screen::get_option](https://developer.wordpress.org/reference/classes/wp_screen/get_option/) | Gets the arguments for an option for the screen. | 
| [WP_Screen::get_options](https://developer.wordpress.org/reference/classes/wp_screen/get_options/) | Gets the options registered for the screen. | 
| [WP_Screen::get_screen_reader_content](https://developer.wordpress.org/reference/classes/wp_screen/get_screen_reader_content/) | Gets the accessible hidden headings and text used in the screen. | 
| [WP_Screen::get_screen_reader_text](https://developer.wordpress.org/reference/classes/wp_screen/get_screen_reader_text/) | Gets a screen reader text string. | 
| [WP_Screen::in_admin](https://developer.wordpress.org/reference/classes/wp_screen/in_admin/) | Indicates whether the screen is in a particular admin. | 
| [WP_Screen::is_block_editor](https://developer.wordpress.org/reference/classes/wp_screen/is_block_editor/) | Sets or returns whether the block editor is loading on the current screen. | 
| [WP_Screen::remove_help_tab](https://developer.wordpress.org/reference/classes/wp_screen/remove_help_tab/) | Removes a help tab from the contextual help for the screen. | 
| [WP_Screen::remove_help_tabs](https://developer.wordpress.org/reference/classes/wp_screen/remove_help_tabs/) | Removes all help tabs from the contextual help for the screen. | 
| [WP_Screen::remove_option](https://developer.wordpress.org/reference/classes/wp_screen/remove_option/) | Removes an option from the screen. | 
| [WP_Screen::remove_options](https://developer.wordpress.org/reference/classes/wp_screen/remove_options/) | Removes all options from the screen. | 
| [WP_Screen::remove_screen_reader_content](https://developer.wordpress.org/reference/classes/wp_screen/remove_screen_reader_content/) | Removes all the accessible hidden headings and text for the screen. | 
| [WP_Screen::render_list_table_columns_preferences](https://developer.wordpress.org/reference/classes/wp_screen/render_list_table_columns_preferences/) | Renders the list table columns preferences. | 
| [WP_Screen::render_meta_boxes_preferences](https://developer.wordpress.org/reference/classes/wp_screen/render_meta_boxes_preferences/) | Renders the meta boxes preferences. | 
| [WP_Screen::render_per_page_options](https://developer.wordpress.org/reference/classes/wp_screen/render_per_page_options/) | Renders the items per page option. | 
| [WP_Screen::render_screen_layout](https://developer.wordpress.org/reference/classes/wp_screen/render_screen_layout/) | Renders the option for number of columns on the page. | 
| [WP_Screen::render_screen_meta](https://developer.wordpress.org/reference/classes/wp_screen/render_screen_meta/) | Renders the screen’s help section. | 
| [WP_Screen::render_screen_options](https://developer.wordpress.org/reference/classes/wp_screen/render_screen_options/) | Renders the screen options tab. | 
| [WP_Screen::render_screen_reader_content](https://developer.wordpress.org/reference/classes/wp_screen/render_screen_reader_content/) | Renders screen reader text. | 
| [WP_Screen::render_view_mode](https://developer.wordpress.org/reference/classes/wp_screen/render_view_mode/) | Renders the list table view mode preferences. | 
| [WP_Screen::set_current_screen](https://developer.wordpress.org/reference/classes/wp_screen/set_current_screen/) | Makes the screen object the current screen. | 
| [WP_Screen::set_help_sidebar](https://developer.wordpress.org/reference/classes/wp_screen/set_help_sidebar/) | Adds a sidebar to the contextual help for the screen. | 
| [WP_Screen::set_parentage](https://developer.wordpress.org/reference/classes/wp_screen/set_parentage/) | Sets the parent information for the screen. | 
| [WP_Screen::set_screen_reader_content](https://developer.wordpress.org/reference/classes/wp_screen/set_screen_reader_content/) | Adds accessible hidden headings and text for the screen. | 
| [WP_Screen::show_screen_options](https://developer.wordpress.org/reference/classes/wp_screen/show_screen_options/) | – |

## 󠀁[Source](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#source)󠁿

    ```php
    final class WP_Screen {
    	/**
    	 * Any action associated with the screen.
    	 *
    	 * 'add' for *-add.php and *-new.php screens. Empty otherwise.
    	 *
    	 * @since 3.3.0
    	 * @var string
    	 */
    	public $action;

    	/**
    	 * The base type of the screen.
    	 *
    	 * This is typically the same as `$id` but with any post types and taxonomies stripped.
    	 * For example, for an `$id` of 'edit-post' the base is 'edit'.
    	 *
    	 * @since 3.3.0
    	 * @var string
    	 */
    	public $base;

    	/**
    	 * The number of columns to display. Access with get_columns().
    	 *
    	 * @since 3.4.0
    	 * @var int
    	 */
    	private $columns = 0;

    	/**
    	 * The unique ID of the screen.
    	 *
    	 * @since 3.3.0
    	 * @var string
    	 */
    	public $id;

    	/**
    	 * Which admin the screen is in. network | user | site | false
    	 *
    	 * @since 3.5.0
    	 * @var string
    	 */
    	protected $in_admin;

    	/**
    	 * Whether the screen is in the network admin.
    	 *
    	 * Deprecated. Use in_admin() instead.
    	 *
    	 * @since 3.3.0
    	 * @deprecated 3.5.0
    	 * @var bool
    	 */
    	public $is_network;

    	/**
    	 * Whether the screen is in the user admin.
    	 *
    	 * Deprecated. Use in_admin() instead.
    	 *
    	 * @since 3.3.0
    	 * @deprecated 3.5.0
    	 * @var bool
    	 */
    	public $is_user;

    	/**
    	 * The base menu parent.
    	 *
    	 * This is derived from `$parent_file` by removing the query string and any .php extension.
    	 * `$parent_file` values of 'edit.php?post_type=page' and 'edit.php?post_type=post'
    	 * have a `$parent_base` of 'edit'.
    	 *
    	 * @since 3.3.0
    	 * @var string|null
    	 */
    	public $parent_base;

    	/**
    	 * The parent_file for the screen per the admin menu system.
    	 *
    	 * Some `$parent_file` values are 'edit.php?post_type=page', 'edit.php', and 'options-general.php'.
    	 *
    	 * @since 3.3.0
    	 * @var string|null
    	 */
    	public $parent_file;

    	/**
    	 * The post type associated with the screen, if any.
    	 *
    	 * The 'edit.php?post_type=page' screen has a post type of 'page'.
    	 * The 'edit-tags.php?taxonomy=$taxonomy&post_type=page' screen has a post type of 'page'.
    	 *
    	 * @since 3.3.0
    	 * @var string
    	 */
    	public $post_type;

    	/**
    	 * The taxonomy associated with the screen, if any.
    	 *
    	 * The 'edit-tags.php?taxonomy=category' screen has a taxonomy of 'category'.
    	 *
    	 * @since 3.3.0
    	 * @var string
    	 */
    	public $taxonomy;

    	/**
    	 * The help tab data associated with the screen, if any.
    	 *
    	 * @since 3.3.0
    	 * @var array
    	 */
    	private $_help_tabs = array();

    	/**
    	 * The help sidebar data associated with screen, if any.
    	 *
    	 * @since 3.3.0
    	 * @var string
    	 */
    	private $_help_sidebar = '';

    	/**
    	 * The accessible hidden headings and text associated with the screen, if any.
    	 *
    	 * @since 4.4.0
    	 * @var string[]
    	 */
    	private $_screen_reader_content = array();

    	/**
    	 * Stores old string-based help.
    	 *
    	 * @var array
    	 */
    	private static $_old_compat_help = array();

    	/**
    	 * The screen options associated with screen, if any.
    	 *
    	 * @since 3.3.0
    	 * @var array
    	 */
    	private $_options = array();

    	/**
    	 * The screen object registry.
    	 *
    	 * @since 3.3.0
    	 *
    	 * @var array
    	 */
    	private static $_registry = array();

    	/**
    	 * Stores the result of the public show_screen_options function.
    	 *
    	 * @since 3.3.0
    	 * @var bool
    	 */
    	private $_show_screen_options;

    	/**
    	 * Stores the 'screen_settings' section of screen options.
    	 *
    	 * @since 3.3.0
    	 * @var string
    	 */
    	private $_screen_settings;

    	/**
    	 * Whether the screen is using the block editor.
    	 *
    	 * @since 5.0.0
    	 * @var bool
    	 */
    	public $is_block_editor = false;

    	/**
    	 * Fetches a screen object.
    	 *
    	 * @since 3.3.0
    	 *
    	 * @global string $hook_suffix
    	 *
    	 * @param string|WP_Screen $hook_name Optional. The hook name (also known as the hook suffix) used to determine the screen.
    	 *                                    Defaults to the current $hook_suffix global.
    	 * @return WP_Screen Screen object.
    	 */
    	public static function get( $hook_name = '' ) {
    		if ( $hook_name instanceof WP_Screen ) {
    			return $hook_name;
    		}

    		$id              = '';
    		$post_type       = null;
    		$taxonomy        = null;
    		$in_admin        = false;
    		$action          = '';
    		$is_block_editor = false;

    		if ( $hook_name ) {
    			$id = $hook_name;
    		} elseif ( ! empty( $GLOBALS['hook_suffix'] ) ) {
    			$id = $GLOBALS['hook_suffix'];
    		}

    		// For those pesky meta boxes.
    		if ( $hook_name && post_type_exists( $hook_name ) ) {
    			$post_type = $id;
    			$id        = 'post'; // Changes later. Ends up being $base.
    		} else {
    			if ( str_ends_with( $id, '.php' ) ) {
    				$id = substr( $id, 0, -4 );
    			}

    			if ( in_array( $id, array( 'post-new', 'link-add', 'media-new', 'user-new' ), true ) ) {
    				$id     = substr( $id, 0, -4 );
    				$action = 'add';
    			}
    		}

    		if ( ! $post_type && $hook_name ) {
    			if ( str_ends_with( $id, '-network' ) ) {
    				$id       = substr( $id, 0, -8 );
    				$in_admin = 'network';
    			} elseif ( str_ends_with( $id, '-user' ) ) {
    				$id       = substr( $id, 0, -5 );
    				$in_admin = 'user';
    			}

    			$id = sanitize_key( $id );
    			if ( 'edit-comments' !== $id && 'edit-tags' !== $id && str_starts_with( $id, 'edit-' ) ) {
    				$maybe = substr( $id, 5 );
    				if ( taxonomy_exists( $maybe ) ) {
    					$id       = 'edit-tags';
    					$taxonomy = $maybe;
    				} elseif ( post_type_exists( $maybe ) ) {
    					$id        = 'edit';
    					$post_type = $maybe;
    				}
    			}

    			if ( ! $in_admin ) {
    				$in_admin = 'site';
    			}
    		} else {
    			if ( defined( 'WP_NETWORK_ADMIN' ) && WP_NETWORK_ADMIN ) {
    				$in_admin = 'network';
    			} elseif ( defined( 'WP_USER_ADMIN' ) && WP_USER_ADMIN ) {
    				$in_admin = 'user';
    			} else {
    				$in_admin = 'site';
    			}
    		}

    		if ( 'index' === $id ) {
    			$id = 'dashboard';
    		} elseif ( 'front' === $id ) {
    			$in_admin = false;
    		}

    		$base = $id;

    		// If this is the current screen, see if we can be more accurate for post types and taxonomies.
    		if ( ! $hook_name ) {
    			if ( isset( $_REQUEST['post_type'] ) ) {
    				$post_type = post_type_exists( $_REQUEST['post_type'] ) ? $_REQUEST['post_type'] : false;
    			}
    			if ( isset( $_REQUEST['taxonomy'] ) ) {
    				$taxonomy = taxonomy_exists( $_REQUEST['taxonomy'] ) ? $_REQUEST['taxonomy'] : false;
    			}

    			switch ( $base ) {
    				case 'post':
    					if ( isset( $_GET['post'] ) && isset( $_POST['post_ID'] ) && (int) $_GET['post'] !== (int) $_POST['post_ID'] ) {
    						wp_die( __( 'A post ID mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 );
    					} elseif ( isset( $_GET['post'] ) ) {
    						$post_id = (int) $_GET['post'];
    					} elseif ( isset( $_POST['post_ID'] ) ) {
    						$post_id = (int) $_POST['post_ID'];
    					} else {
    						$post_id = 0;
    					}

    					if ( $post_id ) {
    						$post = get_post( $post_id );
    						if ( $post ) {
    							$post_type = $post->post_type;

    							/** This filter is documented in wp-admin/post.php */
    							$replace_editor = apply_filters( 'replace_editor', false, $post );

    							if ( ! $replace_editor ) {
    								$is_block_editor = use_block_editor_for_post( $post );
    							}
    						}
    					}
    					break;
    				case 'edit-tags':
    				case 'term':
    					if ( null === $post_type && is_object_in_taxonomy( 'post', $taxonomy ? $taxonomy : 'post_tag' ) ) {
    						$post_type = 'post';
    					}
    					break;
    				case 'upload':
    					$post_type = 'attachment';
    					break;
    			}
    		}

    		switch ( $base ) {
    			case 'post':
    				if ( null === $post_type ) {
    					$post_type = 'post';
    				}

    				// When creating a new post, use the default block editor support value for the post type.
    				if ( empty( $post_id ) ) {
    					$is_block_editor = use_block_editor_for_post_type( $post_type );
    				}

    				$id = $post_type;
    				break;
    			case 'edit':
    				if ( null === $post_type ) {
    					$post_type = 'post';
    				}
    				$id .= '-' . $post_type;
    				break;
    			case 'edit-tags':
    			case 'term':
    				if ( null === $taxonomy ) {
    					$taxonomy = 'post_tag';
    				}
    				// The edit-tags ID does not contain the post type. Look for it in the request.
    				if ( null === $post_type ) {
    					$post_type = 'post';
    					if ( isset( $_REQUEST['post_type'] ) && post_type_exists( $_REQUEST['post_type'] ) ) {
    						$post_type = $_REQUEST['post_type'];
    					}
    				}

    				$id = 'edit-' . $taxonomy;
    				break;
    		}

    		if ( 'network' === $in_admin ) {
    			$id   .= '-network';
    			$base .= '-network';
    		} elseif ( 'user' === $in_admin ) {
    			$id   .= '-user';
    			$base .= '-user';
    		}

    		if ( isset( self::$_registry[ $id ] ) ) {
    			$screen = self::$_registry[ $id ];
    			if ( get_current_screen() === $screen ) {
    				return $screen;
    			}
    		} else {
    			$screen     = new self();
    			$screen->id = $id;
    		}

    		$screen->base            = $base;
    		$screen->action          = $action;
    		$screen->post_type       = (string) $post_type;
    		$screen->taxonomy        = (string) $taxonomy;
    		$screen->is_user         = ( 'user' === $in_admin );
    		$screen->is_network      = ( 'network' === $in_admin );
    		$screen->in_admin        = $in_admin;
    		$screen->is_block_editor = $is_block_editor;

    		self::$_registry[ $id ] = $screen;

    		return $screen;
    	}

    	/**
    	 * Makes the screen object the current screen.
    	 *
    	 * @see set_current_screen()
    	 * @since 3.3.0
    	 *
    	 * @global WP_Screen $current_screen WordPress current screen object.
    	 * @global string    $typenow        The post type of the current screen.
    	 * @global string    $taxnow         The taxonomy of the current screen.
    	 */
    	public function set_current_screen() {
    		global $current_screen, $taxnow, $typenow;

    		$current_screen = $this;
    		$typenow        = $this->post_type;
    		$taxnow         = $this->taxonomy;

    		/**
    		 * Fires after the current screen has been set.
    		 *
    		 * @since 3.0.0
    		 *
    		 * @param WP_Screen $current_screen Current WP_Screen object.
    		 */
    		do_action( 'current_screen', $current_screen );
    	}

    	/**
    	 * Constructor
    	 *
    	 * @since 3.3.0
    	 */
    	private function __construct() {}

    	/**
    	 * Indicates whether the screen is in a particular admin.
    	 *
    	 * @since 3.5.0
    	 *
    	 * @param string $admin The admin to check against (network | user | site).
    	 *                      If empty any of the three admins will result in true.
    	 * @return bool True if the screen is in the indicated admin, false otherwise.
    	 */
    	public function in_admin( $admin = null ) {
    		if ( empty( $admin ) ) {
    			return (bool) $this->in_admin;
    		}

    		return ( $admin === $this->in_admin );
    	}

    	/**
    	 * Sets or returns whether the block editor is loading on the current screen.
    	 *
    	 * @since 5.0.0
    	 *
    	 * @param bool $set Optional. Sets whether the block editor is loading on the current screen or not.
    	 * @return bool True if the block editor is being loaded, false otherwise.
    	 */
    	public function is_block_editor( $set = null ) {
    		if ( null !== $set ) {
    			$this->is_block_editor = (bool) $set;
    		}

    		return $this->is_block_editor;
    	}

    	/**
    	 * Sets the old string-based contextual help for the screen for backward compatibility.
    	 *
    	 * @since 3.3.0
    	 *
    	 * @param WP_Screen $screen A screen object.
    	 * @param string    $help   Help text.
    	 */
    	public static function add_old_compat_help( $screen, $help ) {
    		self::$_old_compat_help[ $screen->id ] = $help;
    	}

    	/**
    	 * Sets the parent information for the screen.
    	 *
    	 * This is called in admin-header.php after the menu parent for the screen has been determined.
    	 *
    	 * @since 3.3.0
    	 *
    	 * @param string $parent_file The parent file of the screen. Typically the $parent_file global.
    	 */
    	public function set_parentage( $parent_file ) {
    		$this->parent_file         = $parent_file;
    		list( $this->parent_base ) = explode( '?', $parent_file );
    		$this->parent_base         = str_replace( '.php', '', $this->parent_base );
    	}

    	/**
    	 * Adds an option for the screen.
    	 *
    	 * Call this in template files after admin.php is loaded and before admin-header.php is loaded
    	 * to add screen options.
    	 *
    	 * @since 3.3.0
    	 *
    	 * @param string $option Option ID.
    	 * @param mixed  $args   Option-dependent arguments.
    	 */
    	public function add_option( $option, $args = array() ) {
    		$this->_options[ $option ] = $args;
    	}

    	/**
    	 * Removes an option from the screen.
    	 *
    	 * @since 3.8.0
    	 *
    	 * @param string $option Option ID.
    	 */
    	public function remove_option( $option ) {
    		unset( $this->_options[ $option ] );
    	}

    	/**
    	 * Removes all options from the screen.
    	 *
    	 * @since 3.8.0
    	 */
    	public function remove_options() {
    		$this->_options = array();
    	}

    	/**
    	 * Gets the options registered for the screen.
    	 *
    	 * @since 3.8.0
    	 *
    	 * @return array Options with arguments.
    	 */
    	public function get_options() {
    		return $this->_options;
    	}

    	/**
    	 * Gets the arguments for an option for the screen.
    	 *
    	 * @since 3.3.0
    	 *
    	 * @param string       $option Option name.
    	 * @param string|false $key    Optional. Specific array key for when the option is an array.
    	 *                             Default false.
    	 * @return string The option value if set, null otherwise.
    	 */
    	public function get_option( $option, $key = false ) {
    		if ( ! isset( $this->_options[ $option ] ) ) {
    			return null;
    		}
    		if ( $key ) {
    			if ( isset( $this->_options[ $option ][ $key ] ) ) {
    				return $this->_options[ $option ][ $key ];
    			}
    			return null;
    		}
    		return $this->_options[ $option ];
    	}

    	/**
    	 * Gets the help tabs registered for the screen.
    	 *
    	 * @since 3.4.0
    	 * @since 4.4.0 Help tabs are ordered by their priority.
    	 *
    	 * @return array Help tabs with arguments.
    	 */
    	public function get_help_tabs() {
    		$help_tabs = $this->_help_tabs;

    		$priorities = array();
    		foreach ( $help_tabs as $help_tab ) {
    			if ( isset( $priorities[ $help_tab['priority'] ] ) ) {
    				$priorities[ $help_tab['priority'] ][] = $help_tab;
    			} else {
    				$priorities[ $help_tab['priority'] ] = array( $help_tab );
    			}
    		}

    		ksort( $priorities );

    		$sorted = array();
    		foreach ( $priorities as $list ) {
    			foreach ( $list as $tab ) {
    				$sorted[ $tab['id'] ] = $tab;
    			}
    		}

    		return $sorted;
    	}

    	/**
    	 * Gets the arguments for a help tab.
    	 *
    	 * @since 3.4.0
    	 *
    	 * @param string $id Help Tab ID.
    	 * @return array Help tab arguments.
    	 */
    	public function get_help_tab( $id ) {
    		if ( ! isset( $this->_help_tabs[ $id ] ) ) {
    			return null;
    		}
    		return $this->_help_tabs[ $id ];
    	}

    	/**
    	 * Adds a help tab to the contextual help for the screen.
    	 *
    	 * Call this on the `load-$pagenow` hook for the relevant screen,
    	 * or fetch the `$current_screen` object, or use get_current_screen()
    	 * and then call the method from the object.
    	 *
    	 * You may need to filter `$current_screen` using an if or switch statement
    	 * to prevent new help tabs from being added to ALL admin screens.
    	 *
    	 * @since 3.3.0
    	 * @since 4.4.0 The `$priority` argument was added.
    	 *
    	 * @param array $args {
    	 *     Array of arguments used to display the help tab.
    	 *
    	 *     @type string   $title    Title for the tab. Default false.
    	 *     @type string   $id       Tab ID. Must be HTML-safe and should be unique for this menu.
    	 *                              It is NOT allowed to contain any empty spaces. Default false.
    	 *     @type string   $content  Optional. Help tab content in plain text or HTML. Default empty string.
    	 *     @type callable $callback Optional. A callback to generate the tab content. Default false.
    	 *     @type int      $priority Optional. The priority of the tab, used for ordering. Default 10.
    	 * }
    	 */
    	public function add_help_tab( $args ) {
    		$defaults = array(
    			'title'    => false,
    			'id'       => false,
    			'content'  => '',
    			'callback' => false,
    			'priority' => 10,
    		);
    		$args     = wp_parse_args( $args, $defaults );

    		$args['id'] = sanitize_html_class( $args['id'] );

    		// Ensure we have an ID and title.
    		if ( ! $args['id'] || ! $args['title'] ) {
    			return;
    		}

    		// Allows for overriding an existing tab with that ID.
    		$this->_help_tabs[ $args['id'] ] = $args;
    	}

    	/**
    	 * Removes a help tab from the contextual help for the screen.
    	 *
    	 * @since 3.3.0
    	 *
    	 * @param string $id The help tab ID.
    	 */
    	public function remove_help_tab( $id ) {
    		unset( $this->_help_tabs[ $id ] );
    	}

    	/**
    	 * Removes all help tabs from the contextual help for the screen.
    	 *
    	 * @since 3.3.0
    	 */
    	public function remove_help_tabs() {
    		$this->_help_tabs = array();
    	}

    	/**
    	 * Gets the content from a contextual help sidebar.
    	 *
    	 * @since 3.4.0
    	 *
    	 * @return string Contents of the help sidebar.
    	 */
    	public function get_help_sidebar() {
    		return $this->_help_sidebar;
    	}

    	/**
    	 * Adds a sidebar to the contextual help for the screen.
    	 *
    	 * Call this in template files after admin.php is loaded and before admin-header.php is loaded
    	 * to add a sidebar to the contextual help.
    	 *
    	 * @since 3.3.0
    	 *
    	 * @param string $content Sidebar content in plain text or HTML.
    	 */
    	public function set_help_sidebar( $content ) {
    		$this->_help_sidebar = $content;
    	}

    	/**
    	 * Gets the number of layout columns the user has selected.
    	 *
    	 * The layout_columns option controls the max number and default number of
    	 * columns. This method returns the number of columns within that range selected
    	 * by the user via Screen Options. If no selection has been made, the default
    	 * provisioned in layout_columns is returned. If the screen does not support
    	 * selecting the number of layout columns, 0 is returned.
    	 *
    	 * @since 3.4.0
    	 *
    	 * @return int Number of columns to display.
    	 */
    	public function get_columns() {
    		return $this->columns;
    	}

    	/**
    	 * Gets the accessible hidden headings and text used in the screen.
    	 *
    	 * @since 4.4.0
    	 *
    	 * @see set_screen_reader_content() For more information on the array format.
    	 *
    	 * @return string[] An associative array of screen reader text strings.
    	 */
    	public function get_screen_reader_content() {
    		return $this->_screen_reader_content;
    	}

    	/**
    	 * Gets a screen reader text string.
    	 *
    	 * @since 4.4.0
    	 *
    	 * @param string $key Screen reader text array named key.
    	 * @return string Screen reader text string.
    	 */
    	public function get_screen_reader_text( $key ) {
    		if ( ! isset( $this->_screen_reader_content[ $key ] ) ) {
    			return null;
    		}
    		return $this->_screen_reader_content[ $key ];
    	}

    	/**
    	 * Adds accessible hidden headings and text for the screen.
    	 *
    	 * @since 4.4.0
    	 *
    	 * @param array $content {
    	 *     An associative array of screen reader text strings.
    	 *
    	 *     @type string $heading_views      Screen reader text for the filter links heading.
    	 *                                      Default 'Filter items list'.
    	 *     @type string $heading_pagination Screen reader text for the pagination heading.
    	 *                                      Default 'Items list navigation'.
    	 *     @type string $heading_list       Screen reader text for the items list heading.
    	 *                                      Default 'Items list'.
    	 * }
    	 */
    	public function set_screen_reader_content( $content = array() ) {
    		$defaults = array(
    			'heading_views'      => __( 'Filter items list' ),
    			'heading_pagination' => __( 'Items list navigation' ),
    			'heading_list'       => __( 'Items list' ),
    		);
    		$content  = wp_parse_args( $content, $defaults );

    		$this->_screen_reader_content = $content;
    	}

    	/**
    	 * Removes all the accessible hidden headings and text for the screen.
    	 *
    	 * @since 4.4.0
    	 */
    	public function remove_screen_reader_content() {
    		$this->_screen_reader_content = array();
    	}

    	/**
    	 * Renders the screen's help section.
    	 *
    	 * This will trigger the deprecated filters for backward compatibility.
    	 *
    	 * @since 3.3.0
    	 *
    	 * @global string $screen_layout_columns
    	 */
    	public function render_screen_meta() {

    		/**
    		 * Filters the legacy contextual help list.
    		 *
    		 * @since 2.7.0
    		 * @deprecated 3.3.0 Use get_current_screen()->add_help_tab() or
    		 *                   get_current_screen()->remove_help_tab() instead.
    		 *
    		 * @param array     $old_compat_help Old contextual help.
    		 * @param WP_Screen $screen          Current WP_Screen instance.
    		 */
    		self::$_old_compat_help = apply_filters_deprecated(
    			'contextual_help_list',
    			array( self::$_old_compat_help, $this ),
    			'3.3.0',
    			'get_current_screen()->add_help_tab(), get_current_screen()->remove_help_tab()'
    		);

    		$old_help = isset( self::$_old_compat_help[ $this->id ] ) ? self::$_old_compat_help[ $this->id ] : '';

    		/**
    		 * Filters the legacy contextual help text.
    		 *
    		 * @since 2.7.0
    		 * @deprecated 3.3.0 Use get_current_screen()->add_help_tab() or
    		 *                   get_current_screen()->remove_help_tab() instead.
    		 *
    		 * @param string    $old_help  Help text that appears on the screen.
    		 * @param string    $screen_id Screen ID.
    		 * @param WP_Screen $screen    Current WP_Screen instance.
    		 */
    		$old_help = apply_filters_deprecated(
    			'contextual_help',
    			array( $old_help, $this->id, $this ),
    			'3.3.0',
    			'get_current_screen()->add_help_tab(), get_current_screen()->remove_help_tab()'
    		);

    		// Default help only if there is no old-style block of text and no new-style help tabs.
    		if ( empty( $old_help ) && ! $this->get_help_tabs() ) {

    			/**
    			 * Filters the default legacy contextual help text.
    			 *
    			 * @since 2.8.0
    			 * @deprecated 3.3.0 Use get_current_screen()->add_help_tab() or
    			 *                   get_current_screen()->remove_help_tab() instead.
    			 *
    			 * @param string $old_help_default Default contextual help text.
    			 */
    			$default_help = apply_filters_deprecated(
    				'default_contextual_help',
    				array( '' ),
    				'3.3.0',
    				'get_current_screen()->add_help_tab(), get_current_screen()->remove_help_tab()'
    			);
    			if ( $default_help ) {
    				$old_help = '<p>' . $default_help . '</p>';
    			}
    		}

    		if ( $old_help ) {
    			$this->add_help_tab(
    				array(
    					'id'      => 'old-contextual-help',
    					'title'   => __( 'Overview' ),
    					'content' => $old_help,
    				)
    			);
    		}

    		$help_sidebar = $this->get_help_sidebar();

    		$help_class = 'hidden';
    		if ( ! $help_sidebar ) {
    			$help_class .= ' no-sidebar';
    		}

    		// Time to render!
    		?>
    		<div id="screen-meta" class="metabox-prefs">

    			<div id="contextual-help-wrap" class="<?php echo esc_attr( $help_class ); ?>" tabindex="-1" aria-label="<?php esc_attr_e( 'Contextual Help Tab' ); ?>">
    				<div id="contextual-help-back"></div>
    				<div id="contextual-help-columns">
    					<div class="contextual-help-tabs">
    						<ul>
    						<?php
    						$class = ' class="active"';
    						foreach ( $this->get_help_tabs() as $tab ) :
    							$link_id  = "tab-link-{$tab['id']}";
    							$panel_id = "tab-panel-{$tab['id']}";
    							?>

    							<li id="<?php echo esc_attr( $link_id ); ?>"<?php echo $class; ?>>
    								<a href="<?php echo esc_url( "#$panel_id" ); ?>" aria-controls="<?php echo esc_attr( $panel_id ); ?>">
    									<?php echo esc_html( $tab['title'] ); ?>
    								</a>
    							</li>
    							<?php
    							$class = '';
    						endforeach;
    						?>
    						</ul>
    					</div>

    					<?php if ( $help_sidebar ) : ?>
    					<div class="contextual-help-sidebar">
    						<?php echo $help_sidebar; ?>
    					</div>
    					<?php endif; ?>

    					<div class="contextual-help-tabs-wrap">
    						<?php
    						$classes = 'help-tab-content active';
    						foreach ( $this->get_help_tabs() as $tab ) :
    							$panel_id = "tab-panel-{$tab['id']}";
    							?>

    							<div id="<?php echo esc_attr( $panel_id ); ?>" class="<?php echo $classes; ?>">
    								<?php
    								// Print tab content.
    								echo $tab['content'];

    								// If it exists, fire tab callback.
    								if ( ! empty( $tab['callback'] ) ) {
    									call_user_func_array( $tab['callback'], array( $this, $tab ) );
    								}
    								?>
    							</div>
    							<?php
    							$classes = 'help-tab-content';
    						endforeach;
    						?>
    					</div>
    				</div>
    			</div>
    		<?php
    		// Setup layout columns.

    		/**
    		 * Filters the array of screen layout columns.
    		 *
    		 * This hook provides back-compat for plugins using the back-compat
    		 * Filters instead of add_screen_option().
    		 *
    		 * @since 2.8.0
    		 *
    		 * @param array     $empty_columns Empty array.
    		 * @param string    $screen_id     Screen ID.
    		 * @param WP_Screen $screen        Current WP_Screen instance.
    		 */
    		$columns = apply_filters( 'screen_layout_columns', array(), $this->id, $this );

    		if ( ! empty( $columns ) && isset( $columns[ $this->id ] ) ) {
    			$this->add_option( 'layout_columns', array( 'max' => $columns[ $this->id ] ) );
    		}

    		if ( $this->get_option( 'layout_columns' ) ) {
    			$this->columns = (int) get_user_option( "screen_layout_$this->id" );

    			if ( ! $this->columns && $this->get_option( 'layout_columns', 'default' ) ) {
    				$this->columns = $this->get_option( 'layout_columns', 'default' );
    			}
    		}
    		$GLOBALS['screen_layout_columns'] = $this->columns; // Set the global for back-compat.

    		// Add screen options.
    		if ( $this->show_screen_options() ) {
    			$this->render_screen_options();
    		}
    		?>
    		</div>
    		<?php
    		if ( ! $this->get_help_tabs() && ! $this->show_screen_options() ) {
    			return;
    		}
    		?>
    		<div id="screen-meta-links">
    		<?php if ( $this->show_screen_options() ) : ?>
    			<div id="screen-options-link-wrap" class="hide-if-no-js screen-meta-toggle">
    			<button type="button" id="show-settings-link" class="button show-settings" aria-controls="screen-options-wrap" aria-expanded="false"><?php _e( 'Screen Options' ); ?></button>
    			</div>
    			<?php
    		endif;
    		if ( $this->get_help_tabs() ) :
    			?>
    			<div id="contextual-help-link-wrap" class="hide-if-no-js screen-meta-toggle">
    			<button type="button" id="contextual-help-link" class="button show-settings" aria-controls="contextual-help-wrap" aria-expanded="false"><?php _e( 'Help' ); ?></button>
    			</div>
    		<?php endif; ?>
    		</div>
    		<?php
    	}

    	/**
    	 * @since 3.3.0
    	 *
    	 * @global array $wp_meta_boxes Global meta box state.
    	 *
    	 * @return bool
    	 */
    	public function show_screen_options() {
    		global $wp_meta_boxes;

    		if ( is_bool( $this->_show_screen_options ) ) {
    			return $this->_show_screen_options;
    		}

    		$columns = get_column_headers( $this );

    		$show_screen = ! empty( $wp_meta_boxes[ $this->id ] ) || $columns || $this->get_option( 'per_page' );

    		$this->_screen_settings = '';

    		if ( 'post' === $this->base ) {
    			$expand                 = '<fieldset class="editor-expand hidden"><legend>' . __( 'Additional settings' ) . '</legend><label for="editor-expand-toggle">';
    			$expand                .= '<input type="checkbox" id="editor-expand-toggle"' . checked( get_user_setting( 'editor_expand', 'on' ), 'on', false ) . ' />';
    			$expand                .= __( 'Enable full-height editor and distraction-free functionality.' ) . '</label></fieldset>';
    			$this->_screen_settings = $expand;
    		}

    		/**
    		 * Filters the screen settings text displayed in the Screen Options tab.
    		 *
    		 * @since 3.0.0
    		 *
    		 * @param string    $screen_settings Screen settings.
    		 * @param WP_Screen $screen          WP_Screen object.
    		 */
    		$this->_screen_settings = apply_filters( 'screen_settings', $this->_screen_settings, $this );

    		if ( $this->_screen_settings || $this->_options ) {
    			$show_screen = true;
    		}

    		/**
    		 * Filters whether to show the Screen Options tab.
    		 *
    		 * @since 3.2.0
    		 *
    		 * @param bool      $show_screen Whether to show Screen Options tab.
    		 *                               Default true.
    		 * @param WP_Screen $screen      Current WP_Screen instance.
    		 */
    		$this->_show_screen_options = apply_filters( 'screen_options_show_screen', $show_screen, $this );
    		return $this->_show_screen_options;
    	}

    	/**
    	 * Renders the screen options tab.
    	 *
    	 * @since 3.3.0
    	 *
    	 * @param array $options {
    	 *     Options for the tab.
    	 *
    	 *     @type bool $wrap Whether the screen-options-wrap div will be included. Defaults to true.
    	 * }
    	 */
    	public function render_screen_options( $options = array() ) {
    		$options = wp_parse_args(
    			$options,
    			array(
    				'wrap' => true,
    			)
    		);

    		$wrapper_start = '';
    		$wrapper_end   = '';
    		$form_start    = '';
    		$form_end      = '';

    		// Output optional wrapper.
    		if ( $options['wrap'] ) {
    			$wrapper_start = '<div id="screen-options-wrap" class="hidden" tabindex="-1" aria-label="' . esc_attr__( 'Screen Options Tab' ) . '">';
    			$wrapper_end   = '</div>';
    		}

    		// Don't output the form and nonce for the widgets accessibility mode links.
    		if ( 'widgets' !== $this->base ) {
    			$form_start = "\n<form id='adv-settings' method='post'>\n";
    			$form_end   = "\n" . wp_nonce_field( 'screen-options-nonce', 'screenoptionnonce', false, false ) . "\n</form>\n";
    		}

    		echo $wrapper_start . $form_start;

    		$this->render_meta_boxes_preferences();
    		$this->render_list_table_columns_preferences();
    		$this->render_screen_layout();
    		$this->render_per_page_options();
    		$this->render_view_mode();
    		echo $this->_screen_settings;

    		/**
    		 * Filters whether to show the Screen Options submit button.
    		 *
    		 * @since 4.4.0
    		 *
    		 * @param bool      $show_button Whether to show Screen Options submit button.
    		 *                               Default false.
    		 * @param WP_Screen $screen      Current WP_Screen instance.
    		 */
    		$show_button = apply_filters( 'screen_options_show_submit', false, $this );

    		if ( $show_button ) {
    			submit_button( __( 'Apply' ), 'primary', 'screen-options-apply', true );
    		}

    		echo $form_end . $wrapper_end;
    	}

    	/**
    	 * Renders the meta boxes preferences.
    	 *
    	 * @since 4.4.0
    	 *
    	 * @global array $wp_meta_boxes Global meta box state.
    	 */
    	public function render_meta_boxes_preferences() {
    		global $wp_meta_boxes;

    		if ( ! isset( $wp_meta_boxes[ $this->id ] ) ) {
    			return;
    		}
    		?>
    		<fieldset class="metabox-prefs">
    		<legend><?php _e( 'Screen elements' ); ?></legend>
    		<p>
    			<?php _e( 'Some screen elements can be shown or hidden by using the checkboxes.' ); ?>
    			<?php _e( 'Expand or collapse the elements by clicking on their headings, and arrange them by dragging their headings or by clicking on the up and down arrows.' ); ?>
    		</p>
    		<div class="metabox-prefs-container">
    		<?php

    		meta_box_prefs( $this );

    		if ( 'dashboard' === $this->id && has_action( 'welcome_panel' ) && current_user_can( 'edit_theme_options' ) ) {
    			if ( isset( $_GET['welcome'] ) ) {
    				$welcome_checked = empty( $_GET['welcome'] ) ? 0 : 1;
    				update_user_meta( get_current_user_id(), 'show_welcome_panel', $welcome_checked );
    			} else {
    				$welcome_checked = (int) get_user_meta( get_current_user_id(), 'show_welcome_panel', true );
    				if ( 2 === $welcome_checked && wp_get_current_user()->user_email !== get_option( 'admin_email' ) ) {
    					$welcome_checked = false;
    				}
    			}
    			echo '<label for="wp_welcome_panel-hide">';
    			echo '<input type="checkbox" id="wp_welcome_panel-hide"' . checked( (bool) $welcome_checked, true, false ) . ' />';
    			echo _x( 'Welcome', 'Welcome panel' ) . "</label>\n";
    		}
    		?>
    		</div>
    		</fieldset>
    		<?php
    	}

    	/**
    	 * Renders the list table columns preferences.
    	 *
    	 * @since 4.4.0
    	 */
    	public function render_list_table_columns_preferences() {

    		$columns = get_column_headers( $this );
    		$hidden  = get_hidden_columns( $this );

    		if ( ! $columns ) {
    			return;
    		}

    		$legend = ! empty( $columns['_title'] ) ? $columns['_title'] : __( 'Columns' );
    		?>
    		<fieldset class="metabox-prefs">
    		<legend><?php echo $legend; ?></legend>
    		<?php
    		$special = array( '_title', 'cb', 'comment', 'media', 'name', 'title', 'username', 'blogname' );

    		foreach ( $columns as $column => $title ) {
    			// Can't hide these for they are special.
    			if ( in_array( $column, $special, true ) ) {
    				continue;
    			}

    			if ( empty( $title ) ) {
    				continue;
    			}

    			/*
    			 * The Comments column uses HTML in the display name with some screen
    			 * reader text. Make sure to strip tags from the Comments column
    			 * title and any other custom column title plugins might add.
    			 */
    			$title = wp_strip_all_tags( $title );

    			$id = "$column-hide";
    			echo '<label>';
    			echo '<input class="hide-column-tog" name="' . $id . '" type="checkbox" id="' . $id . '" value="' . $column . '"' . checked( ! in_array( $column, $hidden, true ), true, false ) . ' />';
    			echo "$title</label>\n";
    		}
    		?>
    		</fieldset>
    		<?php
    	}

    	/**
    	 * Renders the option for number of columns on the page.
    	 *
    	 * @since 3.3.0
    	 */
    	public function render_screen_layout() {
    		if ( ! $this->get_option( 'layout_columns' ) ) {
    			return;
    		}

    		$screen_layout_columns = $this->get_columns();
    		$num                   = $this->get_option( 'layout_columns', 'max' );

    		?>
    		<fieldset class='columns-prefs'>
    		<legend class="screen-layout"><?php _e( 'Layout' ); ?></legend>
    		<?php for ( $i = 1; $i <= $num; ++$i ) : ?>
    			<label class="columns-prefs-<?php echo $i; ?>">
    			<input type='radio' name='screen_columns' value='<?php echo esc_attr( $i ); ?>' <?php checked( $screen_layout_columns, $i ); ?> />
    			<?php
    				printf(
    					/* translators: %s: Number of columns on the page. */
    					_n( '%s column', '%s columns', $i ),
    					number_format_i18n( $i )
    				);
    			?>
    			</label>
    		<?php endfor; ?>
    		</fieldset>
    		<?php
    	}

    	/**
    	 * Renders the items per page option.
    	 *
    	 * @since 3.3.0
    	 */
    	public function render_per_page_options() {
    		if ( null === $this->get_option( 'per_page' ) ) {
    			return;
    		}

    		$per_page_label = $this->get_option( 'per_page', 'label' );
    		if ( null === $per_page_label ) {
    			$per_page_label = __( 'Number of items per page:' );
    		}

    		$option = $this->get_option( 'per_page', 'option' );
    		if ( ! $option ) {
    			$option = str_replace( '-', '_', "{$this->id}_per_page" );
    		}

    		$per_page = (int) get_user_option( $option );
    		if ( empty( $per_page ) || $per_page < 1 ) {
    			$per_page = $this->get_option( 'per_page', 'default' );
    			if ( ! $per_page ) {
    				$per_page = 20;
    			}
    		}

    		if ( 'edit_comments_per_page' === $option ) {
    			$comment_status = isset( $_REQUEST['comment_status'] ) ? $_REQUEST['comment_status'] : 'all';

    			/** This filter is documented in wp-admin/includes/class-wp-comments-list-table.php */
    			$per_page = apply_filters( 'comments_per_page', $per_page, $comment_status );
    		} elseif ( 'categories_per_page' === $option ) {
    			/** This filter is documented in wp-admin/includes/class-wp-terms-list-table.php */
    			$per_page = apply_filters( 'edit_categories_per_page', $per_page );
    		} else {
    			/** This filter is documented in wp-admin/includes/class-wp-list-table.php */
    			$per_page = apply_filters( "{$option}", $per_page );
    		}

    		// Back compat.
    		if ( isset( $this->post_type ) ) {
    			/** This filter is documented in wp-admin/includes/post.php */
    			$per_page = apply_filters( 'edit_posts_per_page', $per_page, $this->post_type );
    		}

    		// This needs a submit button.
    		add_filter( 'screen_options_show_submit', '__return_true' );

    		?>
    		<fieldset class="screen-options">
    		<legend><?php _e( 'Pagination' ); ?></legend>
    			<?php if ( $per_page_label ) : ?>
    				<label for="<?php echo esc_attr( $option ); ?>"><?php echo $per_page_label; ?></label>
    				<input type="number" step="1" min="1" max="999" class="screen-per-page" name="wp_screen_options[value]"
    					id="<?php echo esc_attr( $option ); ?>"
    					value="<?php echo esc_attr( $per_page ); ?>" />
    			<?php endif; ?>
    				<input type="hidden" name="wp_screen_options[option]" value="<?php echo esc_attr( $option ); ?>" />
    		</fieldset>
    		<?php
    	}

    	/**
    	 * Renders the list table view mode preferences.
    	 *
    	 * @since 4.4.0
    	 *
    	 * @global string $mode List table view mode.
    	 */
    	public function render_view_mode() {
    		global $mode;

    		$screen = get_current_screen();

    		// Currently only enabled for posts and comments lists.
    		if ( 'edit' !== $screen->base && 'edit-comments' !== $screen->base ) {
    			return;
    		}

    		$view_mode_post_types = get_post_types( array( 'show_ui' => true ) );

    		/**
    		 * Filters the post types that have different view mode options.
    		 *
    		 * @since 4.4.0
    		 *
    		 * @param string[] $view_mode_post_types Array of post types that can change view modes.
    		 *                                       Default post types with show_ui on.
    		 */
    		$view_mode_post_types = apply_filters( 'view_mode_post_types', $view_mode_post_types );

    		if ( 'edit' === $screen->base && ! in_array( $this->post_type, $view_mode_post_types, true ) ) {
    			return;
    		}

    		if ( ! isset( $mode ) ) {
    			$mode = get_user_setting( 'posts_list_mode', 'list' );
    		}

    		// This needs a submit button.
    		add_filter( 'screen_options_show_submit', '__return_true' );
    		?>
    		<fieldset class="metabox-prefs view-mode">
    			<legend><?php _e( 'View mode' ); ?></legend>
    			<label for="list-view-mode">
    				<input id="list-view-mode" type="radio" name="mode" value="list" <?php checked( 'list', $mode ); ?> />
    				<?php _e( 'Compact view' ); ?>
    			</label>
    			<label for="excerpt-view-mode">
    				<input id="excerpt-view-mode" type="radio" name="mode" value="excerpt" <?php checked( 'excerpt', $mode ); ?> />
    				<?php _e( 'Extended view' ); ?>
    			</label>
    		</fieldset>
    		<?php
    	}

    	/**
    	 * Renders screen reader text.
    	 *
    	 * @since 4.4.0
    	 *
    	 * @param string $key The screen reader text array named key.
    	 * @param string $tag Optional. The HTML tag to wrap the screen reader text. Default h2.
    	 */
    	public function render_screen_reader_content( $key = '', $tag = 'h2' ) {

    		if ( ! isset( $this->_screen_reader_content[ $key ] ) ) {
    			return;
    		}
    		echo "<$tag class='screen-reader-text'>" . $this->_screen_reader_content[ $key ] . "</$tag>";
    	}
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-admin/includes/class-wp-screen.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-admin/includes/class-wp-screen.php#L16)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/class-wp-screen.php#L16-L1361)

## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#changelog)󠁿

| Version | Description | 
| [3.3.0](https://developer.wordpress.org/reference/since/3.3.0/) | Introduced. |

## 󠀁[User Contributed Notes](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#user-contributed-notes)󠁿

 1.   [Skip to note 3 content](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#comment-content-1985)
 2.    [Aurovrata Venet](https://profiles.wordpress.org/aurovrata/)  [  9 years ago  ](https://developer.wordpress.org/reference/classes/wp_screen/#comment-1985)
 3.  [You must log in to vote on the helpfulness of this note](https://login.wordpress.org?redirect_to=https%3A%2F%2Fdeveloper.wordpress.org%2Freference%2Fclasses%2Fwp_screen%2F%23comment-1985)
     Vote results for this note: 2[You must log in to vote on the helpfulness of this note](https://login.wordpress.org?redirect_to=https%3A%2F%2Fdeveloper.wordpress.org%2Freference%2Fclasses%2Fwp_screen%2F%23comment-1985)
 4.  Some additional notes from the old codex pages which are useful for implementing`
     get_current_screen()` functionality, the `WP_Screen` object returned will be **
     null** if called from the `admin_init` hook.
 5.  A successful call will return an object with the following fields,
 6.   * **id** (string) The unique ID of the screen
      * **action** (string) Any action associated with the screen. ‘add’ for *-new.
        php screens. Empty otherwise.
      * **base** (string) The base type of the screen. For example, for a page ‘post-
        new.php’ the base is ‘post’.
      * **parent_base** (string) The base menu parent. This is derived from $parent_file
        by removing the query string and any .php extension. For example, parent_file
        values of ‘edit.php?post_type=page’ and ‘edit.php?post_type=post’ have a parent_base
        of ‘edit’
      * **parent_file** (string) The parent_file for the screen per the admin menu 
        system. Some parent_file values are ‘edit.php?post_type=page’, ‘edit.php’, 
        and ‘options-general.php’
      * **post_type** (string) The post type associated with the screen, if any. For
        example, the ‘edit.php?post_type=page’ screen has a post type of ‘page’
      * **taxonomy** (string) The taxonomy associated with the screen, if any. For 
        example, the ‘edit-tags.php?taxonomy=category’ screen has a taxonomy of ‘category’
 7.   [Log in to add feedback](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fdeveloper.wordpress.org%2Freference%2Fclasses%2Fwp_screen%2F%3Freplytocom%3D1985%23feedback-editor-1985)
 8.   [Skip to note 4 content](https://developer.wordpress.org/reference/classes/wp_screen/?output_format=md#comment-content-3037)
 9.    [johnzenith](https://profiles.wordpress.org/johnzenith/)  [  7 years ago  ](https://developer.wordpress.org/reference/classes/wp_screen/#comment-3037)
 10. [You must log in to vote on the helpfulness of this note](https://login.wordpress.org?redirect_to=https%3A%2F%2Fdeveloper.wordpress.org%2Freference%2Fclasses%2Fwp_screen%2F%23comment-3037)
     Vote results for this note: 1[You must log in to vote on the helpfulness of this note](https://login.wordpress.org?redirect_to=https%3A%2F%2Fdeveloper.wordpress.org%2Freference%2Fclasses%2Fwp_screen%2F%23comment-3037)
 11. **How to configure the current screen ‘layout_columns’ and ‘per_page’ options:**
 12.     ```php
         // Set the default screen layout columns
         add_screen_option( 'layout_columns', array(
             'max'     => 2,
             'default' => 2,
         ) );
     
         // Set screen per page option
         add_screen_option( 'per_page', array(
             'default' => 10,
             'label'   => __( 'Items Per Page', 'uexplorer' ),
     
             /** 
              * Note:
              *
              * The 'option' argument specify what [name] to use to save the 'per_page' option
              * For example, if 'option' => 'my_per_page_option', then to retrieve the option value do: 
              *    $screen->get_option( 'per_page', 'option' )
              *
              * But when the 'option' argument is set to false or omitted, the current screen ID will be 
              * used and suffixed with '_per_page' as the current screen 'per_page' option name:
              *
              * This is how the 'per_page' option name is set when omitted or set to false:
              * $option = str_replace( '-', '_', "{$screen->id}_per_page" );
              *
              * Then to retrieve it, do: 
              * $per_page = $screen->get_option( 'per_page', str_replace( '-', '_', "{$screen->id}_per_page" ) );
              */
             'option'  => false, // use the current screen ID and append '_per_page' to it. Also replace '-' with '_'
         ) );
         ```
     
 13.  [Log in to add feedback](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fdeveloper.wordpress.org%2Freference%2Fclasses%2Fwp_screen%2F%3Freplytocom%3D3037%23feedback-editor-3037)

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