<?php
/**
 * List Table API: WP_Privacy_Data_Removal_Requests_List_Table class
 *
 * @package WordPress
 * @subpackage Administration
 * @since 4.9.6
 */

if ( ! class_exists( 'WP_Privacy_Requests_Table' ) ) {
	require_once ABSPATH . 'wp-admin/includes/class-wp-privacy-requests-table.php';
}

/**
 * WP_Privacy_Data_Removal_Requests_List_Table class.
 *
 * @since 4.9.6
 */
class WP_Privacy_Data_Removal_Requests_List_Table extends WP_Privacy_Requests_Table {
	/**
	 * Action name for the requests this table will work with.
	 *
	 * @since 4.9.6
	 *
	 * @var string $request_type Name of action.
	 */
	protected $request_type = 'remove_personal_data';

	/**
	 * Post type for the requests.
	 *
	 * @since 4.9.6
	 *
	 * @var string $post_type The post type.
	 */
	protected $post_type = 'user_request';

	/**
	 * Actions column.
	 *
	 * @since 4.9.6
	 *
	 * @param WP_User_Request $item Item being shown.
	 * @return string Email column markup.
	 */
	public function column_email( $item ) {
		$row_actions = array();

		// Allow the administrator to "force remove" the personal data even if confirmation has not yet been received.
		$status = $item->status;
		if ( 'request-confirmed' !== $status ) {
			/** This filter is documented in wp-admin/includes/ajax-actions.php */
			$erasers       = apply_filters( 'wp_privacy_personal_data_erasers', array() );
			$erasers_count = count( $erasers );
			$request_id    = $item->ID;
			$nonce         = wp_create_nonce( 'wp-privacy-erase-personal-data-' . $request_id );

			$remove_data_markup = '
';

			$remove_data_markup .= '<button type="button" class="button-link remove-personal-data-handle">' . __( 'Force Erase Personal Data' ) . '</button>' .
				'' . __( 'Erasing Data...' ) . ' ' .
				'' . __( 'Erasure completed.' ) . '' .
				'' . __( 'Force Erasure has failed.' ) . ' <button type="button" class="button-link remove-personal-data-handle">' . __( 'Retry' ) . '</button>';

			$remove_data_markup .= '
';

			$row_actions = array(
				'remove-data' => $remove_data_markup,
			);
		}

		return sprintf( '%2$s %3$s', esc_url( 'mailto:' . $item->email ), $item->email, $this->row_actions( $row_actions ) );
	}

	/**
	 * Next steps column.
	 *
	 * @since 4.9.6
	 *
	 * @param WP_User_Request $item Item being shown.
	 */
	public function column_next_steps( $item ) {
		$status = $item->status;

		switch ( $status ) {
			case 'request-pending':
				esc_html_e( 'Waiting for confirmation' );
				break;
			case 'request-confirmed':
				/** This filter is documented in wp-admin/includes/ajax-actions.php */
				$erasers       = apply_filters( 'wp_privacy_personal_data_erasers', array() );
				$erasers_count = count( $erasers );
				$request_id    = $item->ID;
				$nonce         = wp_create_nonce( 'wp-privacy-erase-personal-data-' . $request_id );

				echo '
';

				?>
				<button type="button" class="button-link remove-personal-data-handle"><?php _e( 'Erase Personal Data' ); ?></button>
				<?php _e( 'Erasing Data...' ); ?>
				<?php _e( 'Erasure completed.' ); ?>
				<?php _e( 'Data Erasure has failed.' ); ?> <button type="button" class="button-link remove-personal-data-handle"><?php _e( 'Retry' ); ?></button>
				<?php

				echo '
';

				break;
			case 'request-failed':
				echo '<button type="submit" class="button-link" name="privacy_action_email_retry[' . $item->ID . ']" id="privacy_action_email_retry[' . $item->ID . ']">' . __( 'Retry' ) . '</button>';
				break;
			case 'request-completed':
				echo ' 'delete',
								'request_id' => array( $item->ID ),
							),
							admin_url( 'erase-personal-data.php' )
						),
						'bulk-privacy_requests'
					)
				) . '">' . esc_html__( 'Remove request' ) . '';
				break;
		}
	}

}


<?php
/**
 * WP_Privacy_Policy_Content class.
 *
 * @package WordPress
 * @subpackage Administration
 * @since 4.9.6
 */

final class WP_Privacy_Policy_Content {

	private static $policy_content = array();

	/**
	 * Constructor
	 *
	 * @since 4.9.6
	 */
	private function __construct() {}

	/**
	 * Add content to the postbox shown when editing the privacy policy.
	 *
	 * Plugins and themes should suggest text for inclusion in the site's privacy policy.
	 * The suggested text should contain information about any functionality that affects user privacy,
	 * and will be shown in the Suggested Privacy Policy Content postbox.
	 *
	 * Intended for use from `wp_add_privacy_policy_content()`.
	 *
	 * @since 4.9.6
	 *
	 * @param string $plugin_name The name of the plugin or theme that is suggesting content for the site's privacy policy.
	 * @param string $policy_text The suggested content for inclusion in the policy.
	 */
	public static function add( $plugin_name, $policy_text ) {
		if ( empty( $plugin_name ) || empty( $policy_text ) ) {
			return;
		}

		$data = array(
			'plugin_name' => $plugin_name,
			'policy_text' => $policy_text,
		);

		if ( ! in_array( $data, self::$policy_content, true ) ) {
			self::$policy_content[] = $data;
		}
	}

	/**
	 * Quick check if any privacy info has changed.
	 *
	 * @since 4.9.6
	 */
	public static function text_change_check() {

		$policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' );

		// The site doesn't have a privacy policy.
		if ( empty( $policy_page_id ) ) {
			return false;
		}

		if ( ! current_user_can( 'edit_post', $policy_page_id ) ) {
			return false;
		}

		$old = (array) get_post_meta( $policy_page_id, '_wp_suggested_privacy_policy_content' );

		// Updates are not relevant if the user has not reviewed any suggestions yet.
		if ( empty( $old ) ) {
			return false;
		}

		$cached = get_option( '_wp_suggested_policy_text_has_changed' );

		/*
		 * When this function is called before `admin_init`, `self::$policy_content`
		 * has not been populated yet, so use the cached result from the last
		 * execution instead.
		 */
		if ( ! did_action( 'admin_init' ) ) {
			return 'changed' === $cached;
		}

		$new = self::$policy_content;

		// Remove the extra values added to the meta.
		foreach ( $old as $key => $data ) {
			if ( ! empty( $data['removed'] ) ) {
				unset( $old[ $key ] );
				continue;
			}

			$old[ $key ] = array(
				'plugin_name' => $data['plugin_name'],
				'policy_text' => $data['policy_text'],
			);
		}

		// Normalize the order of texts, to facilitate comparison.
		sort( $old );
		sort( $new );

		// The == operator (equal, not identical) was used intentionally.
		// See http://php.net/manual/en/language.operators.array.php
		if ( $new != $old ) {
			// A plugin was activated or deactivated, or some policy text has changed.
			// Show a notice on the relevant screens to inform the admin.
			add_action( 'admin_notices', array( 'WP_Privacy_Policy_Content', 'policy_text_changed_notice' ) );
			$state = 'changed';
		} else {
			$state = 'not-changed';
		}

		// Cache the result for use before `admin_init` (see above).
		if ( $cached !== $state ) {
			update_option( '_wp_suggested_policy_text_has_changed', $state );
		}

		return 'changed' === $state;
	}

	/**
	 * Output a warning when some privacy info has changed.
	 *
	 * @since 4.9.6
	 */
	public static function policy_text_changed_notice() {
		global $post;

		$screen = get_current_screen()->id;

		if ( 'privacy' !== $screen ) {
			return;
		}

		?>

			<?php
				printf(
					/* translators: %s: Privacy Policy Guide URL. */
					__( 'The suggested privacy policy text has changed. Please review the guide and update your privacy policy.' ),
					esc_url( admin_url( 'privacy-policy-guide.php' ) )
				);
			?>

		<?php
	}

	/**
	 * Update the cached policy info when the policy page is updated.
	 *
	 * @since 4.9.6
	 * @access private
	 *
	 * @param int $post_id The ID of the updated post.
	 */
	public static function _policy_page_updated( $post_id ) {
		$policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' );

		if ( ! $policy_page_id || $policy_page_id !== (int) $post_id ) {
			return;
		}

		// Remove updated|removed status.
		$old          = (array) get_post_meta( $policy_page_id, '_wp_suggested_privacy_policy_content' );
		$done         = array();
		$update_cache = false;

		foreach ( $old as $old_key => $old_data ) {
			if ( ! empty( $old_data['removed'] ) ) {
				// Remove the old policy text.
				$update_cache = true;
				continue;
			}

			if ( ! empty( $old_data['updated'] ) ) {
				// 'updated' is now 'added'.
				$done[]       = array(
					'plugin_name' => $old_data['plugin_name'],
					'policy_text' => $old_data['policy_text'],
					'added'       => $old_data['updated'],
				);
				$update_cache = true;
			} else {
				$done[] = $old_data;
			}
		}

		if ( $update_cache ) {
			delete_post_meta( $policy_page_id, '_wp_suggested_privacy_policy_content' );
			// Update the cache.
			foreach ( $done as $data ) {
				add_post_meta( $policy_page_id, '_wp_suggested_privacy_policy_content', $data );
			}
		}
	}

	/**
	 * Check for updated, added or removed privacy policy information from plugins.
	 *
	 * Caches the current info in post_meta of the policy page.
	 *
	 * @since 4.9.6
	 *
	 * @return array The privacy policy text/information added by core and plugins.
	 */
	public static function get_suggested_policy_text() {
		$policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' );
		$checked        = array();
		$time           = time();
		$update_cache   = false;
		$new            = self::$policy_content;
		$old            = array();

		if ( $policy_page_id ) {
			$old = (array) get_post_meta( $policy_page_id, '_wp_suggested_privacy_policy_content' );
		}

		// Check for no-changes and updates.
		foreach ( $new as $new_key => $new_data ) {
			foreach ( $old as $old_key => $old_data ) {
				$found = false;

				if ( $new_data['policy_text'] === $old_data['policy_text'] ) {
					// Use the new plugin name in case it was changed, translated, etc.
					if ( $old_data['plugin_name'] !== $new_data['plugin_name'] ) {
						$old_data['plugin_name'] = $new_data['plugin_name'];
						$update_cache            = true;
					}

					// A plugin was re-activated.
					if ( ! empty( $old_data['removed'] ) ) {
						unset( $old_data['removed'] );
						$old_data['added'] = $time;
						$update_cache      = true;
					}

					$checked[] = $old_data;
					$found     = true;
				} elseif ( $new_data['plugin_name'] === $old_data['plugin_name'] ) {
					// The info for the policy was updated.
					$checked[]    = array(
						'plugin_name' => $new_data['plugin_name'],
						'policy_text' => $new_data['policy_text'],
						'updated'     => $time,
					);
					$found        = true;
					$update_cache = true;
				}

				if ( $found ) {
					unset( $new[ $new_key ], $old[ $old_key ] );
					continue 2;
				}
			}
		}

		if ( ! empty( $new ) ) {
			// A plugin was activated.
			foreach ( $new as $new_data ) {
				if ( ! empty( $new_data['plugin_name'] ) && ! empty( $new_data['policy_text'] ) ) {
					$new_data['added'] = $time;
					$checked[]         = $new_data;
				}
			}
			$update_cache = true;
		}

		if ( ! empty( $old ) ) {
			// A plugin was deactivated.
			foreach ( $old as $old_data ) {
				if ( ! empty( $old_data['plugin_name'] ) && ! empty( $old_data['policy_text'] ) ) {
					$data = array(
						'plugin_name' => $old_data['plugin_name'],
						'policy_text' => $old_data['policy_text'],
						'removed'     => $time,
					);

					$checked[] = $data;
				}
			}
			$update_cache = true;
		}

		if ( $update_cache && $policy_page_id ) {
			delete_post_meta( $policy_page_id, '_wp_suggested_privacy_policy_content' );
			// Update the cache.
			foreach ( $checked as $data ) {
				add_post_meta( $policy_page_id, '_wp_suggested_privacy_policy_content', $data );
			}
		}

		return $checked;
	}

	/**
	 * Add a notice with a link to the guide when editing the privacy policy page.
	 *
	 * @since 4.9.6
	 * @since 5.0.0 The `$post` parameter was made optional.
	 *
	 * @param WP_Post|null $post The currently edited post. Default null.
	 */
	public static function notice( $post = null ) {
		if ( is_null( $post ) ) {
			global $post;
		} else {
			$post = get_post( $post );
		}

		if ( ! ( $post instanceof WP_Post ) ) {
			return;
		}

		if ( ! current_user_can( 'manage_privacy_options' ) ) {
			return;
		}

		$current_screen = get_current_screen();
		$policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' );

		if ( 'post' !== $current_screen->base || $policy_page_id !== $post->ID ) {
			return;
		}

		$message = __( 'Need help putting together your new Privacy Policy page? Check out our guide for recommendations on what content to include, along with policies suggested by your plugins and theme.' );
		$url     = esc_url( admin_url( 'privacy-policy-guide.php' ) );
		$label   = __( 'View Privacy Policy Guide.' );

		if ( get_current_screen()->is_block_editor() ) {
			wp_enqueue_script( 'wp-notices' );
			$action = array(
				'url'   => $url,
				'label' => $label,
			);
			wp_add_inline_script(
				'wp-notices',
				sprintf(
					'wp.data.dispatch( "core/notices" ).createWarningNotice( "%s", { actions: [ %s ], isDismissible: false } )',
					$message,
					wp_json_encode( $action )
				),
				'after'
			);
		} else {
			?>

				<?php
				echo $message;
				printf(
					' %s %s',
					$url,
					$label,
					/* translators: Accessibility text. */
					__( '(opens in a new tab)' )
				);
				?>

			<?php
		}
	}

	/**
	 * Output the privacy policy guide together with content from the theme and plugins.
	 *
	 * @since 4.9.6
	 */
	public static function privacy_policy_guide() {

		$content_array = self::get_suggested_policy_text();
		$content       = '';
		$toc           = array( '
' . __( 'Introduction' ) . '
' );
		$date_format   = __( 'F j, Y' );

		foreach ( $content_array as $section ) {
			$class   = '';
			$meta    = '';
			$removed = '';

			if ( ! empty( $section['removed'] ) ) {
				$class = 'text-removed';
				$date  = date_i18n( $date_format, $section['removed'] );
				/* translators: %s: Date of plugin deactivation. */
				$meta = sprintf( __( 'Removed %s.' ), $date );

				/* translators: %s: Date of plugin deactivation. */
				$removed = __( 'You deactivated this plugin on %s and may no longer need this policy.' );
				$removed = '

' . sprintf( $removed, $date ) . '

';
			} elseif ( ! empty( $section['updated'] ) ) {
				$class = 'text-updated';
				$date  = date_i18n( $date_format, $section['updated'] );
				/* translators: %s: Date of privacy policy text update. */
				$meta = sprintf( __( 'Updated %s.' ), $date );
			}

			if ( $meta ) {
				$meta = '
' . $meta . '';
			}

			$plugin_name = esc_html( $section['plugin_name'] );
			$toc_id      = 'wp-privacy-policy-guide-' . sanitize_title( $plugin_name );
			$toc[]       = sprintf( '
%2$s' . $meta . '
', $toc_id, $plugin_name );

			$content .= '
';
			$content .= ' ';
			/* translators: %s: Plugin name. */
			$content .= '
' . sprintf( __( 'Source: %s' ), $plugin_name ) . '
';
			$content .= $removed;

			$content .= '
' . $section['policy_text'] . '
';

			if ( empty( $section['removed'] ) ) {
				$content .= '
';
				$content .= '<button type="button" class="privacy-text-copy button">';
				$content .= __( 'Copy this section to clipboard' );
				$content .= '</button>';
				$content .= '' . __( 'Copied!' ) . '';
				$content .= '
';
			}

			$content .= '↑  ' . __( 'Return to top' ) . '';

			$content .= '
'; // End of .privacy-text-section.
		}

		if ( count( $toc ) > 2 ) {
			?>

<?php _e( 'Table of Contents' ); ?>

					<?php echo implode( $toc ); ?>

			<?php
		}

		?>

<?php _e( 'Introduction' ); ?>

<?php _e( 'Hello,' ); ?>

<?php _e( 'This text template will help you to create your web site’s privacy policy.' ); ?>

<?php _e( 'We have suggested the sections you will need. Under each section heading you will find a short summary of what information you should provide, which will help you to get started. Some sections include suggested policy content, others will have to be completed with information from your theme and plugins.' ); ?>

<?php _e( 'Please edit your privacy policy content, making sure to delete the summaries, and adding any information from your theme and plugins. Once you publish your policy page, remember to add it to your navigation menu.' ); ?>

<?php _e( 'It is your responsibility to write a comprehensive privacy policy, to make sure it reflects all national and international legal requirements on privacy, and to keep your policy current and accurate.' ); ?>

				<?php echo $content; ?>

		<?php
	}

	/**
	 * Return the default suggested privacy policy content.
	 *
	 * @since 4.9.6
	 * @since 5.0.0 Added the `$blocks` parameter.
	 *
	 * @param bool $description Whether to include the descriptions under the section headings. Default false.
	 * @param bool $blocks      Whether to format the content for the block editor. Default true.
	 * @return string The default policy content.
	 */
	public static function get_default_content( $description = false, $blocks = true ) {
		$suggested_text = $description ? '' . __( 'Suggested text:' ) . ' ' : '';
		$content        = '';
		$strings        = array();

		// Start of the suggested privacy policy text.
		if ( $description ) {
			$strings[] = '
';
		}

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'Who we are' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'In this section you should note your site URL, as well as the name of the company, organization, or individual behind it, and some accurate contact information.' ) . '
';
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'The amount of information you may be required to show will vary depending on your local or national business regulations. You may, for example, be required to display a physical address, a registered address, or your company registration number.' ) . '
';
		}

		/* translators: Default privacy policy text. %s: Site URL. */
		$strings[] = '
' . $suggested_text . sprintf( __( 'Our website address is: %s.' ), get_bloginfo( 'url', 'display' ) ) . '
';

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'What personal data we collect and why we collect it' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'In this section you should note what personal data you collect from users and site visitors. This may include personal data, such as name, email address, personal account preferences; transactional data, such as purchase information; and technical data, such as information about cookies.' ) . '
';
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'You should also note any collection and retention of sensitive personal data, such as data concerning health.' ) . '
';
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'In addition to listing what personal data you collect, you need to note why you collect it. These explanations must note either the legal basis for your data collection and retention or the active consent the user has given.' ) . '
';
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'Personal data is not just created by a user’s interactions with your site. Personal data is also generated from technical processes such as contact forms, comments, cookies, analytics, and third party embeds.' ) . '
';
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'By default WordPress does not collect any personal data about visitors, and only collects the data shown on the User Profile screen from registered users. However some of your plugins may collect personal data. You should add the relevant information below.' ) . '
';
		}

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'Comments' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'In this subsection you should note what information is captured through comments. We have noted the data which WordPress collects by default.' ) . '
';
		}

		/* translators: Default privacy policy text. */
		$strings[] = '
' . $suggested_text . __( 'When visitors leave comments on the site we collect the data shown in the comments form, and also the visitor’s IP address and browser user agent string to help spam detection.' ) . '
';
		/* translators: Default privacy policy text. */
		$strings[] = '
' . __( 'An anonymized string created from your email address (also called a hash) may be provided to the Gravatar service to see if you are using it. The Gravatar service privacy policy is available here: https://automattic.com/privacy/. After approval of your comment, your profile picture is visible to the public in the context of your comment.' ) . '
';

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'Media' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'In this subsection you should note what information may be disclosed by users who can upload media files. All uploaded files are usually publicly accessible.' ) . '
';
		}

		/* translators: Default privacy policy text. */
		$strings[] = '
' . $suggested_text . __( 'If you upload images to the website, you should avoid uploading images with embedded location data (EXIF GPS) included. Visitors to the website can download and extract any location data from images on the website.' ) . '
';

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'Contact forms' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'By default, WordPress does not include a contact form. If you use a contact form plugin, use this subsection to note what personal data is captured when someone submits a contact form, and how long you keep it. For example, you may note that you keep contact form submissions for a certain period for customer service purposes, but you do not use the information submitted through them for marketing purposes.' ) . '
';
		}

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'Cookies' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'In this subsection you should list the cookies your web site uses, including those set by your plugins, social media, and analytics. We have provided the cookies which WordPress installs by default.' ) . '
';
		}

		/* translators: Default privacy policy text. */
		$strings[] = '
' . $suggested_text . __( 'If you leave a comment on our site you may opt-in to saving your name, email address and website in cookies. These are for your convenience so that you do not have to fill in your details again when you leave another comment. These cookies will last for one year.' ) . '
';
		/* translators: Default privacy policy text. */
		$strings[] = '
' . __( 'If you visit our login page, we will set a temporary cookie to determine if your browser accepts cookies. This cookie contains no personal data and is discarded when you close your browser.' ) . '
';
		/* translators: Default privacy policy text. */
		$strings[] = '
' . __( 'When you log in, we will also set up several cookies to save your login information and your screen display choices. Login cookies last for two days, and screen options cookies last for a year. If you select "Remember Me", your login will persist for two weeks. If you log out of your account, the login cookies will be removed.' ) . '
';
		/* translators: Default privacy policy text. */
		$strings[] = '
' . __( 'If you edit or publish an article, an additional cookie will be saved in your browser. This cookie includes no personal data and simply indicates the post ID of the article you just edited. It expires after 1 day.' ) . '
';

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'Embedded content from other websites' ) . '
';
		/* translators: Default privacy policy text. */
		$strings[] = '
' . $suggested_text . __( 'Articles on this site may include embedded content (e.g. videos, images, articles, etc.). Embedded content from other websites behaves in the exact same way as if the visitor has visited the other website.' ) . '
';
		/* translators: Default privacy policy text. */
		$strings[] = '
' . __( 'These websites may collect data about you, use cookies, embed additional third-party tracking, and monitor your interaction with that embedded content, including tracking your interaction with the embedded content if you have an account and are logged in to that website.' ) . '
';

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'Analytics' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'In this subsection you should note what analytics package you use, how users can opt out of analytics tracking, and a link to your analytics provider’s privacy policy, if any.' ) . '
';
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'By default WordPress does not collect any analytics data. However, many web hosting accounts collect some anonymous analytics data. You may also have installed a WordPress plugin that provides analytics services. In that case, add information from that plugin here.' ) . '
';
		}

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'Who we share your data with' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'In this section you should name and list all third party providers with whom you share site data, including partners, cloud-based services, payment processors, and third party service providers, and note what data you share with them and why. Link to their own privacy policies if possible.' ) . '
';
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'By default WordPress does not share any personal data with anyone.' ) . '
';
		}

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'How long we retain your data' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'In this section you should explain how long you retain personal data collected or processed by the web site. While it is your responsibility to come up with the schedule of how long you keep each dataset for and why you keep it, that information does need to be listed here. For example, you may want to say that you keep contact form entries for six months, analytics records for a year, and customer purchase records for ten years.' ) . '
';
		}

		/* translators: Default privacy policy text. */
		$strings[] = '
' . $suggested_text . __( 'If you leave a comment, the comment and its metadata are retained indefinitely. This is so we can recognize and approve any follow-up comments automatically instead of holding them in a moderation queue.' ) . '
';
		/* translators: Default privacy policy text. */
		$strings[] = '
' . __( 'For users that register on our website (if any), we also store the personal information they provide in their user profile. All users can see, edit, or delete their personal information at any time (except they cannot change their username). Website administrators can also see and edit that information.' ) . '
';

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'What rights you have over your data' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'In this section you should explain what rights your users have over their data and how they can invoke those rights.' ) . '
';
		}

		/* translators: Default privacy policy text. */
		$strings[] = '
' . $suggested_text . __( 'If you have an account on this site, or have left comments, you can request to receive an exported file of the personal data we hold about you, including any data you have provided to us. You can also request that we erase any personal data we hold about you. This does not include any data we are obliged to keep for administrative, legal, or security purposes.' ) . '
';

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'Where we send your data' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'In this section you should list all transfers of your site data outside the European Union and describe the means by which that data is safeguarded to European data protection standards. This could include your web hosting, cloud storage, or other third party services.' ) . '
';
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'European data protection law requires data about European residents which is transferred outside the European Union to be safeguarded to the same standards as if the data was in Europe. So in addition to listing where data goes, you should describe how you ensure that these standards are met either by yourself or by your third party providers, whether that is through an agreement such as Privacy Shield, model clauses in your contracts, or binding corporate rules.' ) . '
';
		}

		/* translators: Default privacy policy text. */
		$strings[] = '
' . $suggested_text . __( 'Visitor comments may be checked through an automated spam detection service.' ) . '
';

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'Your contact information' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'In this section you should provide a contact method for privacy-specific concerns. If you are required to have a Data Protection Officer, list their name and full contact details here as well.' ) . '
';
		}

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'Additional information' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'If you use your site for commercial purposes and you engage in more complex collection or processing of personal data, you should note the following information in your privacy policy in addition to the information we have already discussed.' ) . '
';
		}

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'How we protect your data' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'In this section you should explain what measures you have taken to protect your users’ data. This could include technical measures such as encryption; security measures such as two factor authentication; and measures such as staff training in data protection. If you have carried out a Privacy Impact Assessment, you can mention it here too.' ) . '
';
		}

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'What data breach procedures we have in place' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'In this section you should explain what procedures you have in place to deal with data breaches, either potential or real, such as internal reporting systems, contact mechanisms, or bug bounties.' ) . '
';
		}

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'What third parties we receive data from' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'If your web site receives data about users from third parties, including advertisers, this information must be included within the section of your privacy policy dealing with third party data.' ) . '
';
		}

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'What automated decision making and/or profiling we do with user data' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'If your web site provides a service which includes automated decision making - for example, allowing customers to apply for credit, or aggregating their data into an advertising profile - you must note that this is taking place, and include information about how that information is used, what decisions are made with that aggregated data, and what rights users have over decisions made without human intervention.' ) . '
';
		}

		/* translators: Default privacy policy heading. */
		$strings[] = '
' . __( 'Industry regulatory disclosure requirements' ) . '
';

		if ( $description ) {
			/* translators: Privacy policy tutorial. */
			$strings[] = '
' . __( 'If you are a member of a regulated industry, or if you are subject to additional privacy laws, you may be required to disclose that information here.' ) . '
';
			$strings[] = '
';
		}

		if ( $blocks ) {
			foreach ( $strings as $key => $string ) {
				if ( 0 === strpos( $string, '
' ) ) {
					$strings[ $key ] = '' . $string . '';
				}

				if ( 0 === strpos( $string, '
' ) ) {
					$strings[ $key ] = '' . $string . '';
				}

				if ( 0 === strpos( $string, '
' ) ) {
					$strings[ $key ] = '' . $string . '';
				}
			}
		}

		$content = implode( '', $strings );
		// End of the suggested privacy policy text.

		/**
		 * Filters the default content suggested for inclusion in a privacy policy.
		 *
		 * @since 4.9.6
		 * @since 5.0.0 Added the `$strings`, `$description`, and `$blocks` parameters.
		 *
		 * @param string   $content     The default policy content.
		 * @param string[] $strings     An array of privacy policy content strings.
		 * @param bool     $description Whether policy descriptions should be included.
		 * @param bool     $blocks      Whether the content should be formatted for the block editor.
		 */
		return apply_filters( 'wp_get_default_privacy_policy_content', $content, $strings, $description, $blocks );
	}

	/**
	 * Add the suggested privacy policy text to the policy postbox.
	 *
	 * @since 4.9.6
	 */
	public static function add_suggested_content() {
		$content = self::get_default_content( true, false );
		wp_add_privacy_policy_content( __( 'WordPress' ), $content );
	}
}


<?php
/**
 * List Table API: WP_Privacy_Requests_Table class
 *
 * @package WordPress
 * @subpackage Administration
 * @since 4.9.6
 */

abstract class WP_Privacy_Requests_Table extends WP_List_Table {

	/**
	 * Action name for the requests this table will work with. Classes
	 * which inherit from WP_Privacy_Requests_Table should define this.
	 *
	 * Example: 'export_personal_data'.
	 *
	 * @since 4.9.6
	 *
	 * @var string $request_type Name of action.
	 */
	protected $request_type = 'INVALID';

	/**
	 * Post type to be used.
	 *
	 * @since 4.9.6
	 *
	 * @var string $post_type The post type.
	 */
	protected $post_type = 'INVALID';

	/**
	 * Get columns to show in the list table.
	 *
	 * @since 4.9.6
	 *
	 * @return string[] Array of column titles keyed by their column name.
	 */
	public function get_columns() {
		$columns = array(
			'cb'                => '<input type="checkbox" />',
			'email'             => __( 'Requester' ),
			'status'            => __( 'Status' ),
			'created_timestamp' => __( 'Requested' ),
			'next_steps'        => __( 'Next Steps' ),
		);
		return $columns;
	}

	/**
	 * Normalize the admin URL to the current page (by request_type).
	 *
	 * @since 5.3.0
	 *
	 * @return string URL to the current admin page.
	 */
	protected function get_admin_url() {
		$pagenow = str_replace( '_', '-', $this->request_type );

		if ( 'remove-personal-data' === $pagenow ) {
			$pagenow = 'erase-personal-data';
		}

		return admin_url( $pagenow . '.php' );
	}

	/**
	 * Get a list of sortable columns.
	 *
	 * @since 4.9.6
	 *
	 * @return array Default sortable columns.
	 */
	protected function get_sortable_columns() {
		/*
		 * The initial sorting is by 'Requested' (post_date) and descending.
		 * With initial sorting, the first click on 'Requested' should be ascending.
		 * With 'Requester' sorting active, the next click on 'Requested' should be descending.
		 */
		$desc_first = isset( $_GET['orderby'] );

		return array(
			'email'             => 'requester',
			'created_timestamp' => array( 'requested', $desc_first ),
		);
	}

	/**
	 * Default primary column.
	 *
	 * @since 4.9.6
	 *
	 * @return string Default primary column name.
	 */
	protected function get_default_primary_column_name() {
		return 'email';
	}

	/**
	 * Count number of requests for each status.
	 *
	 * @since 4.9.6
	 *
	 * @return object Number of posts for each status.
	 */
	protected function get_request_counts() {
		global $wpdb;

		$cache_key = $this->post_type . '-' . $this->request_type;
		$counts    = wp_cache_get( $cache_key, 'counts' );

		if ( false !== $counts ) {
			return $counts;
		}

		$query = "
			SELECT post_status, COUNT( * ) AS num_posts
			FROM {$wpdb->posts}
			WHERE post_type = %s
			AND post_name = %s
			GROUP BY post_status";

		$results = (array) $wpdb->get_results( $wpdb->prepare( $query, $this->post_type, $this->request_type ), ARRAY_A );
		$counts  = array_fill_keys( get_post_stati(), 0 );

		foreach ( $results as $row ) {
			$counts[ $row['post_status'] ] = $row['num_posts'];
		}

		$counts = (object) $counts;
		wp_cache_set( $cache_key, $counts, 'counts' );

		return $counts;
	}

	/**
	 * Get an associative array ( id => link ) with the list of views available on this table.
	 *
	 * @since 4.9.6
	 *
	 * @return string[] An array of HTML links keyed by their view.
	 */
	protected function get_views() {
		$current_status = isset( $_REQUEST['filter-status'] ) ? sanitize_text_field( $_REQUEST['filter-status'] ) : '';
		$statuses       = _wp_privacy_statuses();
		$views          = array();
		$counts         = $this->get_request_counts();
		$total_requests = absint( array_sum( (array) $counts ) );

		// Normalized admin URL.
		$admin_url = $this->get_admin_url();

		$current_link_attributes = empty( $current_status ) ? ' class="current" aria-current="page"' : '';
		$status_label            = sprintf(
			/* translators: %s: Number of requests. */
			_nx(
				'All (%s)',
				'All (%s)',
				$total_requests,
				'requests'
			),
			number_format_i18n( $total_requests )
		);

		$views['all'] = sprintf(
			'%s',
			esc_url( $admin_url ),
			$current_link_attributes,
			$status_label
		);

		foreach ( $statuses as $status => $label ) {
			$post_status = get_post_status_object( $status );
			if ( ! $post_status ) {
				continue;
			}

			$current_link_attributes = $status === $current_status ? ' class="current" aria-current="page"' : '';
			$total_status_requests   = absint( $counts->{$status} );

			if ( ! $total_status_requests ) {
				continue;
			}

			$status_label = sprintf(
				translate_nooped_plural( $post_status->label_count, $total_status_requests ),
				number_format_i18n( $total_status_requests )
			);

			$status_link = add_query_arg( 'filter-status', $status, $admin_url );

			$views[ $status ] = sprintf(
				'%s',
				esc_url( $status_link ),
				$current_link_attributes,
				$status_label
			);
		}

		return $views;
	}

	/**
	 * Get bulk actions.
	 *
	 * @since 4.9.6
	 *
	 * @return string[] Array of bulk action labels keyed by their action.
	 */
	protected function get_bulk_actions() {
		return array(
			'delete' => __( 'Delete Requests' ),
			'resend' => __( 'Resend Confirmation Requests' ),
		);
	}

	/**
	 * Process bulk actions.
	 *
	 * @since 4.9.6
	 */
	public function process_bulk_action() {
		$action      = $this->current_action();
		$request_ids = isset( $_REQUEST['request_id'] ) ? wp_parse_id_list( wp_unslash( $_REQUEST['request_id'] ) ) : array();

		$count = 0;

		if ( $request_ids ) {
			check_admin_referer( 'bulk-privacy_requests' );
		}

		switch ( $action ) {
			case 'delete':
				foreach ( $request_ids as $request_id ) {
					if ( wp_delete_post( $request_id, true ) ) {
						$count ++;
					}
				}

				add_settings_error(
					'bulk_action',
					'bulk_action',
					/* translators: %d: Number of requests. */
					sprintf( _n( 'Deleted %d request', 'Deleted %d requests', $count ), $count ),
					'success'
				);
				break;
			case 'resend':
				foreach ( $request_ids as $request_id ) {
					$resend = _wp_privacy_resend_request( $request_id );

					if ( $resend && ! is_wp_error( $resend ) ) {
						$count++;
					}
				}

				add_settings_error(
					'bulk_action',
					'bulk_action',
					/* translators: %d: Number of requests. */
					sprintf( _n( 'Re-sent %d request', 'Re-sent %d requests', $count ), $count ),
					'success'
				);
				break;
		}
	}

	/**
	 * Prepare items to output.
	 *
	 * @since 4.9.6
	 * @since 5.1.0 Added support for column sorting.
	 */
	public function prepare_items() {
		$this->items    = array();
		$posts_per_page = $this->get_items_per_page( $this->request_type . '_requests_per_page' );
		$args           = array(
			'post_type'      => $this->post_type,
			'post_name__in'  => array( $this->request_type ),
			'posts_per_page' => $posts_per_page,
			'offset'         => isset( $_REQUEST['paged'] ) ? max( 0, absint( $_REQUEST['paged'] ) - 1 ) * $posts_per_page : 0,
			'post_status'    => 'any',
			's'              => isset( $_REQUEST['s'] ) ? sanitize_text_field( $_REQUEST['s'] ) : '',
		);

		$orderby_mapping = array(
			'requester' => 'post_title',
			'requested' => 'post_date',
		);

		if ( isset( $_REQUEST['orderby'] ) && isset( $orderby_mapping[ $_REQUEST['orderby'] ] ) ) {
			$args['orderby'] = $orderby_mapping[ $_REQUEST['orderby'] ];
		}

		if ( isset( $_REQUEST['order'] ) && in_array( strtoupper( $_REQUEST['order'] ), array( 'ASC', 'DESC' ), true ) ) {
			$args['order'] = strtoupper( $_REQUEST['order'] );
		}

		if ( ! empty( $_REQUEST['filter-status'] ) ) {
			$filter_status       = isset( $_REQUEST['filter-status'] ) ? sanitize_text_field( $_REQUEST['filter-status'] ) : '';
			$args['post_status'] = $filter_status;
		}

		$requests_query = new WP_Query( $args );
		$requests       = $requests_query->posts;

		foreach ( $requests as $request ) {
			$this->items[] = wp_get_user_request( $request->ID );
		}

		$this->items = array_filter( $this->items );

		$this->set_pagination_args(
			array(
				'total_items' => $requests_query->found_posts,
				'per_page'    => $posts_per_page,
			)
		);
	}

	/**
	 * Checkbox column.
	 *
	 * @since 4.9.6
	 *
	 * @param WP_User_Request $item Item being shown.
	 * @return string Checkbox column markup.
	 */
	public function column_cb( $item ) {
		return sprintf( '<input type="checkbox" name="request_id[]" value="%1$s" />', esc_attr( $item->ID ) );
	}

	/**
	 * Status column.
	 *
	 * @since 4.9.6
	 *
	 * @param WP_User_Request $item Item being shown.
	 * @return string Status column markup.
	 */
	public function column_status( $item ) {
		$status        = get_post_status( $item->ID );
		$status_object = get_post_status_object( $status );

		if ( ! $status_object || empty( $status_object->label ) ) {
			return '-';
		}

		$timestamp = false;

		switch ( $status ) {
			case 'request-confirmed':
				$timestamp = $item->confirmed_timestamp;
				break;
			case 'request-completed':
				$timestamp = $item->completed_timestamp;
				break;
		}

		echo '';
		echo esc_html( $status_object->label );

		if ( $timestamp ) {
			echo ' (' . $this->get_timestamp_as_date( $timestamp ) . ')';
		}

		echo '';
	}

	/**
	 * Convert timestamp for display.
	 *
	 * @since 4.9.6
	 *
	 * @param int $timestamp Event timestamp.
	 * @return string Human readable date.
	 */
	protected function get_timestamp_as_date( $timestamp ) {
		if ( empty( $timestamp ) ) {
			return '';
		}

		$time_diff = time() - $timestamp;

		if ( $time_diff >= 0 && $time_diff < DAY_IN_SECONDS ) {
			/* translators: %s: Human-readable time difference. */
			return sprintf( __( '%s ago' ), human_time_diff( $timestamp ) );
		}

		return date_i18n( get_option( 'date_format' ), $timestamp );
	}

	/**
	 * Default column handler.
	 *
	 * @since 4.9.6
	 *
	 * @param WP_User_Request $item        Item being shown.
	 * @param string          $column_name Name of column being shown.
	 * @return string Default column output.
	 */
	public function column_default( $item, $column_name ) {
		$cell_value = $item->$column_name;

		if ( in_array( $column_name, array( 'created_timestamp' ), true ) ) {
			return $this->get_timestamp_as_date( $cell_value );
		}

		return $cell_value;
	}

	/**
	 * Actions column. Overridden by children.
	 *
	 * @since 4.9.6
	 *
	 * @param WP_User_Request $item Item being shown.
	 * @return string Email column markup.
	 */
	public function column_email( $item ) {
		return sprintf( '%2$s %3$s', esc_url( 'mailto:' . $item->email ), $item->email, $this->row_actions( array() ) );
	}

	/**
	 * Next steps column. Overridden by children.
	 *
	 * @since 4.9.6
	 *
	 * @param WP_User_Request $item Item being shown.
	 */
	public function column_next_steps( $item ) {}

	/**
	 * Generates content for a single row of the table,
	 *
	 * @since 4.9.6
	 *
	 * @param WP_User_Request $item The current item.
	 */
	public function single_row( $item ) {
		$status = $item->status;

		echo '
ID ) . '" class="status-' . esc_attr( $status ) . '">';
		$this->single_row_columns( $item );
		echo '
';
	}

	/**
	 * Embed scripts used to perform actions. Overridden by children.
	 *
	 * @since 4.9.6
	 */
	public function embed_scripts() {}
}


<?php
/**
 * Screen API: WP_Screen class
 *
 * @package WordPress
 * @subpackage Administration
 * @since 4.4.0
 */

/**
 * Core class used to implement an admin screen API.
 *
 * @since 3.3.0
 */
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
	 */
	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
	 */
	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 array
	 */
	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;
		}

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

		if ( $hook_name ) {
			$id = $hook_name;
		} else {
			$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 ( '.php' === substr( $id, -4 ) ) {
				$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 ( '-network' === substr( $id, -8 ) ) {
				$id       = substr( $id, 0, -8 );
				$in_admin = 'network';
			} elseif ( '-user' === substr( $id, -5 ) ) {
				$id       = substr( $id, 0, -5 );
				$in_admin = 'user';
			}

			$id = sanitize_key( $id );
			if ( 'edit-comments' !== $id && 'edit-tags' !== $id && 'edit-' === substr( $id, 0, 5 ) ) {
				$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 WP_Screen();
			$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    $taxnow
	 * @global string    $typenow
	 */
	public function set_current_screen() {
		global $current_screen, $taxnow, $typenow;
		$current_screen = $this;
		$taxnow         = $this->taxonomy;
		$typenow        = $this->post_type;

		/**
		 * 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;
	}

	/**
	 * Set 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;
	}

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

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

	/**
	 * Get 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 $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 ];
	}

	/**
	 * Add 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;
	}

	/**
	 * Add 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;
	}

	/**
	 * Get 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 array An associative array of screen reader text strings.
	 */
	public function get_screen_reader_content() {
		return $this->_screen_reader_content;
	}

	/**
	 * Get 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 ];
	}

	/**
	 * Add 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;
	}

	/**
	 * Remove 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();
	}

	/**
	 * Render 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 {@see get_current_screen()->add_help_tab()} or
		 *                   {@see get_current_screen()->remove_help_tab()} instead.
		 *
		 * @param array     $old_compat_help Old contextual help.
		 * @param WP_Screen $this            Current WP_Screen instance.
		 */
		self::$_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 {@see get_current_screen()->add_help_tab()} or
		 *                   {@see 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 $this      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 {@see get_current_screen()->add_help_tab()} or
			 *                   {@see 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 $this          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
	}

	/**
	 * @global array $wp_meta_boxes
	 *
	 * @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.
		 *
		 * This filter is currently only used on the Widgets screen to enable
		 * accessibility mode.
		 *
		 * @since 3.0.0
		 *
		 * @param string    $screen_settings Screen settings.
		 * @param WP_Screen $this            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 $this        Current WP_Screen instance.
		 */
		$this->_show_screen_options = apply_filters( 'screen_options_show_screen', $show_screen, $this );
		return $this->_show_screen_options;
	}

	/**
	 * Render 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 $this        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;
	}

	/**
	 * Render the meta boxes preferences.
	 *
	 * @since 4.4.0
	 *
	 * @global array $wp_meta_boxes
	 */
	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( 'Boxes' ); ?></legend>
		<?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";
		}
		?>
		</fieldset>
		<?php
	}

	/**
	 * Render 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
	}

	/**
	 * Render 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
	}

	/**
	 * Render 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 ); ?>" maxlength="3"
					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
	}

	/**
	 * Render 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
	}

	/**
	 * Render 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>";
	}
}


<?php
/**
 * Class for testing automatic updates in the WordPress code.
 *
 * @package WordPress
 * @subpackage Site_Health
 * @since 5.2.0
 */

class WP_Site_Health_Auto_Updates {
	/**
	 * WP_Site_Health_Auto_Updates constructor.
	 *
	 * @since 5.2.0
	 */
	public function __construct() {
		require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
	}

	/**
	 * Run tests to determine if auto-updates can run.
	 *
	 * @since 5.2.0
	 *
	 * @return array The test results.
	 */
	public function run_tests() {
		$tests = array(
			$this->test_constants( 'WP_AUTO_UPDATE_CORE', array( true, 'minor' ) ),
			$this->test_wp_version_check_attached(),
			$this->test_filters_automatic_updater_disabled(),
			$this->test_wp_automatic_updates_disabled(),
			$this->test_if_failed_update(),
			$this->test_vcs_abspath(),
			$this->test_check_wp_filesystem_method(),
			$this->test_all_files_writable(),
			$this->test_accepts_dev_updates(),
			$this->test_accepts_minor_updates(),
		);

		$tests = array_filter( $tests );
		$tests = array_map(
			function( $test ) {
				$test = (object) $test;

				if ( empty( $test->severity ) ) {
					$test->severity = 'warning';
				}

				return $test;
			},
			$tests
		);

		return $tests;
	}

	/**
	 * Test if auto-updates related constants are set correctly.
	 *
	 * @since 5.2.0
	 * @since 5.5.1 The `$value` parameter can accept an array.
	 *
	 * @param string $constant         The name of the constant to check.
	 * @param bool|string|array $value The value that the constant should be, if set,
	 *                                 or an array of acceptable values.
	 * @return array The test results.
	 */
	public function test_constants( $constant, $value ) {
		$acceptable_values = (array) $value;

		if ( defined( $constant ) && ! in_array( constant( $constant ), $acceptable_values, true ) ) {
			return array(
				'description' => sprintf(
					/* translators: %s: Name of the constant used. */
					__( 'The %s constant is defined and enabled.' ),
					"$constant"
				),
				'severity'    => 'fail',
			);
		}
	}

	/**
	 * Check if updates are intercepted by a filter.
	 *
	 * @since 5.2.0
	 *
	 * @return array The test results.
	 */
	public function test_wp_version_check_attached() {
		if ( ! is_main_site() ) {
			return;
		}

		$cookies = wp_unslash( $_COOKIE );
		$timeout = 10;
		$headers = array(
			'Cache-Control' => 'no-cache',
		);
		/** This filter is documented in wp-includes/class-wp-http-streams.php */
		$sslverify = apply_filters( 'https_local_ssl_verify', false );

		// Include Basic auth in loopback requests.
		if ( isset( $_SERVER['PHP_AUTH_USER'] ) && isset( $_SERVER['PHP_AUTH_PW'] ) ) {
			$headers['Authorization'] = 'Basic ' . base64_encode( wp_unslash( $_SERVER['PHP_AUTH_USER'] ) . ':' . wp_unslash( $_SERVER['PHP_AUTH_PW'] ) );
		}

		$url = add_query_arg(
			array(
				'health-check-test-wp_version_check' => true,
			),
			admin_url( 'site-health.php' )
		);

		$test = wp_remote_get( $url, compact( 'cookies', 'headers', 'timeout', 'sslverify' ) );

		if ( is_wp_error( $test ) ) {
			return array(
				'description' => sprintf(
					/* translators: %s: Name of the filter used. */
					__( 'Could not confirm that the %s filter is available.' ),
					'wp_version_check()'
				),
				'severity'    => 'warning',
			);
		}

		$response = wp_remote_retrieve_body( $test );

		if ( 'yes' !== $response ) {
			return array(
				'description' => sprintf(
					/* translators: %s: Name of the filter used. */
					__( 'A plugin has prevented updates by disabling %s.' ),
					'wp_version_check()'
				),
				'severity'    => 'fail',
			);
		}
	}

	/**
	 * Check if automatic updates are disabled by a filter.
	 *
	 * @since 5.2.0
	 *
	 * @return array The test results.
	 */
	public function test_filters_automatic_updater_disabled() {
		/** This filter is documented in wp-admin/includes/class-wp-automatic-updater.php */
		if ( apply_filters( 'automatic_updater_disabled', false ) ) {
			return array(
				'description' => sprintf(
					/* translators: %s: Name of the filter used. */
					__( 'The %s filter is enabled.' ),
					'automatic_updater_disabled'
				),
				'severity'    => 'fail',
			);
		}
	}

	/**
	 * Check if automatic updates are disabled.
	 *
	 * @since 5.3.0
	 *
	 * @return array|bool The test results. False if auto-updates are enabled.
	 */
	public function test_wp_automatic_updates_disabled() {
		if ( ! class_exists( 'WP_Automatic_Updater' ) ) {
			require_once ABSPATH . 'wp-admin/includes/class-wp-automatic-updater.php';
		}

		$auto_updates = new WP_Automatic_Updater();

		if ( ! $auto_updates->is_disabled() ) {
			return false;
		}

		return array(
			'description' => __( 'All automatic updates are disabled.' ),
			'severity'    => 'fail',
		);
	}

	/**
	 * Check if automatic updates have tried to run, but failed, previously.
	 *
	 * @since 5.2.0
	 *
	 * @return array|bool The test results. False if the auto-updates failed.
	 */
	function test_if_failed_update() {
		$failed = get_site_option( 'auto_core_update_failed' );

		if ( ! $failed ) {
			return false;
		}

		if ( ! empty( $failed['critical'] ) ) {
			$description  = __( 'A previous automatic background update ended with a critical failure, so updates are now disabled.' );
			$description .= ' ' . __( 'You would have received an email because of this.' );
			$description .= ' ' . __( "When you've been able to update using the \"Update Now\" button on Dashboard > Updates, we'll clear this error for future update attempts." );
			$description .= ' ' . sprintf(
				/* translators: %s: Code of error shown. */
				__( 'The error code was %s.' ),
				'' . $failed['error_code'] . ''
			);
			return array(
				'description' => $description,
				'severity'    => 'warning',
			);
		}

		$description = __( 'A previous automatic background update could not occur.' );
		if ( empty( $failed['retry'] ) ) {
			$description .= ' ' . __( 'You would have received an email because of this.' );
		}

		$description .= ' ' . __( "We'll try again with the next release." );
		$description .= ' ' . sprintf(
			/* translators: %s: Code of error shown. */
			__( 'The error code was %s.' ),
			'' . $failed['error_code'] . ''
		);
		return array(
			'description' => $description,
			'severity'    => 'warning',
		);
	}

	/**
	 * Check if WordPress is controlled by a VCS (Git, Subversion etc).
	 *
	 * @since 5.2.0
	 *
	 * @return array The test results.
	 */
	public function test_vcs_abspath() {
		$context_dirs = array( ABSPATH );
		$vcs_dirs     = array( '.svn', '.git', '.hg', '.bzr' );
		$check_dirs   = array();

		foreach ( $context_dirs as $context_dir ) {
			// Walk up from $context_dir to the root.
			do {
				$check_dirs[] = $context_dir;

				// Once we've hit '/' or 'C:\', we need to stop. dirname will keep returning the input here.
				if ( dirname( $context_dir ) === $context_dir ) {
					break;
				}

				// Continue one level at a time.
			} while ( $context_dir = dirname( $context_dir ) );
		}

		$check_dirs = array_unique( $check_dirs );

		// Search all directories we've found for evidence of version control.
		foreach ( $vcs_dirs as $vcs_dir ) {
			foreach ( $check_dirs as $check_dir ) {
				// phpcs:ignore
				if ( $checkout = @is_dir( rtrim( $check_dir, '\\/' ) . "/$vcs_dir" ) ) {
					break 2;
				}
			}
		}

		/** This filter is documented in wp-admin/includes/class-wp-automatic-updater.php */
		if ( $checkout && ! apply_filters( 'automatic_updates_is_vcs_checkout', true, ABSPATH ) ) {
			return array(
				'description' => sprintf(
					/* translators: 1: Folder name. 2: Version control directory. 3: Filter name. */
					__( 'The folder %1$s was detected as being under version control (%2$s), but the %3$s filter is allowing updates.' ),
					'' . $check_dir . '',
					"$vcs_dir",
					'automatic_updates_is_vcs_checkout'
				),
				'severity'    => 'info',
			);
		}

		if ( $checkout ) {
			return array(
				'description' => sprintf(
					/* translators: 1: Folder name. 2: Version control directory. */
					__( 'The folder %1$s was detected as being under version control (%2$s).' ),
					'' . $check_dir . '',
					"$vcs_dir"
				),
				'severity'    => 'warning',
			);
		}

		return array(
			'description' => __( 'No version control systems were detected.' ),
			'severity'    => 'pass',
		);
	}

	/**
	 * Check if we can access files without providing credentials.
	 *
	 * @since 5.2.0
	 *
	 * @return array The test results.
	 */
	function test_check_wp_filesystem_method() {
		$skin    = new Automatic_Upgrader_Skin;
		$success = $skin->request_filesystem_credentials( false, ABSPATH );

		if ( ! $success ) {
			$description  = __( 'Your installation of WordPress prompts for FTP credentials to perform updates.' );
			$description .= ' ' . __( '(Your site is performing updates over FTP due to file ownership. Talk to your hosting company.)' );

			return array(
				'description' => $description,
				'severity'    => 'fail',
			);
		}

		return array(
			'description' => __( "Your installation of WordPress doesn't require FTP credentials to perform updates." ),
			'severity'    => 'pass',
		);
	}

	/**
	 * Check if core files are writable by the web user/group.
	 *
	 * @since 5.2.0
	 *
	 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
	 *
	 * @return array|bool The test results. False if they're not writeable.
	 */
	function test_all_files_writable() {
		global $wp_filesystem;

		require ABSPATH . WPINC . '/version.php'; // $wp_version; // x.y.z

		$skin    = new Automatic_Upgrader_Skin;
		$success = $skin->request_filesystem_credentials( false, ABSPATH );

		if ( ! $success ) {
			return false;
		}

		WP_Filesystem();

		if ( 'direct' !== $wp_filesystem->method ) {
			return false;
		}

		$checksums = get_core_checksums( $wp_version, 'en_US' );
		$dev       = ( false !== strpos( $wp_version, '-' ) );
		// Get the last stable version's files and test against that.
		if ( ! $checksums && $dev ) {
			$checksums = get_core_checksums( (float) $wp_version - 0.1, 'en_US' );
		}

		// There aren't always checksums for development releases, so just skip the test if we still can't find any.
		if ( ! $checksums && $dev ) {
			return false;
		}

		if ( ! $checksums ) {
			$description = sprintf(
				/* translators: %s: WordPress version. */
				__( "Couldn't retrieve a list of the checksums for WordPress %s." ),
				$wp_version
			);
			$description .= ' ' . __( 'This could mean that connections are failing to WordPress.org.' );
			return array(
				'description' => $description,
				'severity'    => 'warning',
			);
		}

		$unwritable_files = array();
		foreach ( array_keys( $checksums ) as $file ) {
			if ( 'wp-content' === substr( $file, 0, 10 ) ) {
				continue;
			}
			if ( ! file_exists( ABSPATH . $file ) ) {
				continue;
			}
			if ( ! is_writable( ABSPATH . $file ) ) {
				$unwritable_files[] = $file;
			}
		}

		if ( $unwritable_files ) {
			if ( count( $unwritable_files ) > 20 ) {
				$unwritable_files   = array_slice( $unwritable_files, 0, 20 );
				$unwritable_files[] = '...';
			}
			return array(
				'description' => __( 'Some files are not writable by WordPress:' ) . '

' . implode( '

', $unwritable_files ) . '

',
				'severity'    => 'fail',
			);
		} else {
			return array(
				'description' => __( 'All of your WordPress files are writable.' ),
				'severity'    => 'pass',
			);
		}
	}

	/**
	 * Check if the install is using a development branch and can use nightly packages.
	 *
	 * @since 5.2.0
	 *
	 * @return array|bool The test results. False if it isn't a development version.
	 */
	function test_accepts_dev_updates() {
		require ABSPATH . WPINC . '/version.php'; // $wp_version; // x.y.z
		// Only for dev versions.
		if ( false === strpos( $wp_version, '-' ) ) {
			return false;
		}

		if ( defined( 'WP_AUTO_UPDATE_CORE' ) && ( 'minor' === WP_AUTO_UPDATE_CORE || false === WP_AUTO_UPDATE_CORE ) ) {
			return array(
				'description' => sprintf(
					/* translators: %s: Name of the constant used. */
					__( 'WordPress development updates are blocked by the %s constant.' ),
					'WP_AUTO_UPDATE_CORE'
				),
				'severity'    => 'fail',
			);
		}

		/** This filter is documented in wp-admin/includes/class-core-upgrader.php */
		if ( ! apply_filters( 'allow_dev_auto_core_updates', $wp_version ) ) {
			return array(
				'description' => sprintf(
					/* translators: %s: Name of the filter used. */
					__( 'WordPress development updates are blocked by the %s filter.' ),
					'allow_dev_auto_core_updates'
				),
				'severity'    => 'fail',
			);
		}
	}

	/**
	 * Check if the site supports automatic minor updates.
	 *
	 * @since 5.2.0
	 *
	 * @return array The test results.
	 */
	function test_accepts_minor_updates() {
		if ( defined( 'WP_AUTO_UPDATE_CORE' ) && false === WP_AUTO_UPDATE_CORE ) {
			return array(
				'description' => sprintf(
					/* translators: %s: Name of the constant used. */
					__( 'WordPress security and maintenance releases are blocked by %s.' ),
					"define( 'WP_AUTO_UPDATE_CORE', false );"
				),
				'severity'    => 'fail',
			);
		}

		/** This filter is documented in wp-admin/includes/class-core-upgrader.php */
		if ( ! apply_filters( 'allow_minor_auto_core_updates', true ) ) {
			return array(
				'description' => sprintf(
					/* translators: %s: Name of the filter used. */
					__( 'WordPress security and maintenance releases are blocked by the %s filter.' ),
					'allow_minor_auto_core_updates'
				),
				'severity'    => 'fail',
			);
		}
	}
}