/wp-includes/class-wp-editor.php

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<?php
/**
 * Facilitates adding of the WordPress editor as used on the Write and Edit screens.
 *
 * @package WordPress
 * @since 3.3.0
 *
 * Private, not included by default. See wp_editor() in wp-includes/general-template.php.
 */

final class _WP_Editors {
	public static $mce_locale;

	private static $mce_settings = array();
	private static $qt_settings  = array();
	private static $plugins      = array();
	private static $qt_buttons   = array();
	private static $ext_plugins;
	private static $baseurl;
	private static $first_init;
	private static $this_tinymce       = false;
	private static $this_quicktags     = false;
	private static $has_tinymce        = false;
	private static $has_quicktags      = false;
	private static $has_medialib       = false;
	private static $editor_buttons_css = true;
	private static $drag_drop_upload   = false;
	private static $translation;
	private static $tinymce_scripts_printed = false;
	private static $link_dialog_printed     = false;

	private function __construct() {}

	/**
	 * Parse default arguments for the editor instance.
	 *
	 * @since 3.3.0
	 *
	 * @param string $editor_id HTML ID for the textarea and TinyMCE and Quicktags instances.
	 *                          Should not contain square brackets.
	 * @param array  $settings {
	 *     Array of editor arguments.
	 *
	 *     @type bool       $wpautop           Whether to use wpautop(). Default true.
	 *     @type bool       $media_buttons     Whether to show the Add Media/other media buttons.
	 *     @type string     $default_editor    When both TinyMCE and Quicktags are used, set which
	 *                                         editor is shown on page load. Default empty.
	 *     @type bool       $drag_drop_upload  Whether to enable drag & drop on the editor uploading. Default false.
	 *                                         Requires the media modal.
	 *     @type string     $textarea_name     Give the textarea a unique name here. Square brackets
	 *                                         can be used here. Default $editor_id.
	 *     @type int        $textarea_rows     Number rows in the editor textarea. Default 20.
	 *     @type string|int $tabindex          Tabindex value to use. Default empty.
	 *     @type string     $tabfocus_elements The previous and next element ID to move the focus to
	 *                                         when pressing the Tab key in TinyMCE. Default ':prev,:next'.
	 *     @type string     $editor_css        Intended for extra styles for both Visual and Text editors.
	 *                                         Should include `<style>` tags, and can use "scoped". Default empty.
	 *     @type string     $editor_class      Extra classes to add to the editor textarea element. Default empty.
	 *     @type bool       $teeny             Whether to output the minimal editor config. Examples include
	 *                                         Press This and the Comment editor. Default false.
	 *     @type bool       $dfw               Deprecated in 4.1. Unused.
	 *     @type bool|array $tinymce           Whether to load TinyMCE. Can be used to pass settings directly to
	 *                                         TinyMCE using an array. Default true.
	 *     @type bool|array $quicktags         Whether to load Quicktags. Can be used to pass settings directly to
	 *                                         Quicktags using an array. Default true.
	 * }
	 * @return array Parsed arguments array.
	 */
	public static function parse_settings( $editor_id, $settings ) {

		/**
		 * Filters the wp_editor() settings.
		 *
		 * @since 4.0.0
		 *
		 * @see _WP_Editors::parse_settings()
		 *
		 * @param array  $settings  Array of editor arguments.
		 * @param string $editor_id Unique editor identifier, e.g. 'content'. Accepts 'classic-block'
		 *                          when called from block editor's Classic block.
		 */
		$settings = apply_filters( 'wp_editor_settings', $settings, $editor_id );

		$set = wp_parse_args(
			$settings,
			array(
				// Disable autop if the current post has blocks in it.
				'wpautop'             => ! has_blocks(),
				'media_buttons'       => true,
				'default_editor'      => '',
				'drag_drop_upload'    => false,
				'textarea_name'       => $editor_id,
				'textarea_rows'       => 20,
				'tabindex'            => '',
				'tabfocus_elements'   => ':prev,:next',
				'editor_css'          => '',
				'editor_class'        => '',
				'teeny'               => false,
				'_content_editor_dfw' => false,
				'tinymce'             => true,
				'quicktags'           => true,
			)
		);

		self::$this_tinymce = ( $set['tinymce'] && user_can_richedit() );

		if ( self::$this_tinymce ) {
			if ( false !== strpos( $editor_id, '[' ) ) {
				self::$this_tinymce = false;
				_deprecated_argument( 'wp_editor()', '3.9.0', 'TinyMCE editor IDs cannot have brackets.' );
			}
		}

		self::$this_quicktags = (bool) $set['quicktags'];

		if ( self::$this_tinymce ) {
			self::$has_tinymce = true;
		}

		if ( self::$this_quicktags ) {
			self::$has_quicktags = true;
		}

		if ( empty( $set['editor_height'] ) ) {
			return $set;
		}

		if ( 'content' === $editor_id && empty( $set['tinymce']['wp_autoresize_on'] ) ) {
			// A cookie (set when a user resizes the editor) overrides the height.
			$cookie = (int) get_user_setting( 'ed_size' );

			if ( $cookie ) {
				$set['editor_height'] = $cookie;
			}
		}

		if ( $set['editor_height'] < 50 ) {
			$set['editor_height'] = 50;
		} elseif ( $set['editor_height'] > 5000 ) {
			$set['editor_height'] = 5000;
		}

		return $set;
	}

	/**
	 * Outputs the HTML for a single instance of the editor.
	 *
	 * @since 3.3.0
	 *
	 * @param string $content   Initial content for the editor.
	 * @param string $editor_id HTML ID for the textarea and TinyMCE and Quicktags instances.
	 *                          Should not contain square brackets.
	 * @param array  $settings  See _WP_Editors::parse_settings() for description.
	 */
	public static function editor( $content, $editor_id, $settings = array() ) {
		$set            = self::parse_settings( $editor_id, $settings );
		$editor_class   = ' class="' . trim( esc_attr( $set['editor_class'] ) . ' wp-editor-area' ) . '"';
		$tabindex       = $set['tabindex'] ? ' tabindex="' . (int) $set['tabindex'] . '"' : '';
		$default_editor = 'html';
		$buttons        = '';
		$autocomplete   = '';
		$editor_id_attr = esc_attr( $editor_id );

		if ( $set['drag_drop_upload'] ) {
			self::$drag_drop_upload = true;
		}

		if ( ! empty( $set['editor_height'] ) ) {
			$height = ' style="height: ' . (int) $set['editor_height'] . 'px"';
		} else {
			$height = ' rows="' . (int) $set['textarea_rows'] . '"';
		}

		if ( ! current_user_can( 'upload_files' ) ) {
			$set['media_buttons'] = false;
		}

		if ( self::$this_tinymce ) {
			$autocomplete = ' autocomplete="off"';

			if ( self::$this_quicktags ) {
				$default_editor = $set['default_editor'] ? $set['default_editor'] : wp_default_editor();
				// 'html' is used for the "Text" editor tab.
				if ( 'html' !== $default_editor ) {
					$default_editor = 'tinymce';
				}

				$buttons .= '<button type="button" id="' . $editor_id_attr . '-tmce" class="wp-switch-editor switch-tmce"' .
					' data-wp-editor-id="' . $editor_id_attr . '">' . _x( 'Visual', 'Name for the Visual editor tab' ) . "</button>\n";
				$buttons .= '<button type="button" id="' . $editor_id_attr . '-html" class="wp-switch-editor switch-html"' .
					' data-wp-editor-id="' . $editor_id_attr . '">' . _x( 'Text', 'Name for the Text editor tab (formerly HTML)' ) . "</button>\n";
			} else {
				$default_editor = 'tinymce';
			}
		}

		$switch_class = 'html' === $default_editor ? 'html-active' : 'tmce-active';
		$wrap_class   = 'wp-core-ui wp-editor-wrap ' . $switch_class;

		if ( $set['_content_editor_dfw'] ) {
			$wrap_class .= ' has-dfw';
		}

		echo '<div id="wp-' . $editor_id_attr . '-wrap" class="' . $wrap_class . '">';

		if ( self::$editor_buttons_css ) {
			wp_print_styles( 'editor-buttons' );
			self::$editor_buttons_css = false;
		}

		if ( ! empty( $set['editor_css'] ) ) {
			echo $set['editor_css'] . "\n";
		}

		if ( ! empty( $buttons ) || $set['media_buttons'] ) {
			echo '<div id="wp-' . $editor_id_attr . '-editor-tools" class="wp-editor-tools hide-if-no-js">';

			if ( $set['media_buttons'] ) {
				self::$has_medialib = true;

				if ( ! function_exists( 'media_buttons' ) ) {
					require ABSPATH . 'wp-admin/includes/media.php';
				}

				echo '<div id="wp-' . $editor_id_attr . '-media-buttons" class="wp-media-buttons">';

				/**
				 * Fires after the default media button(s) are displayed.
				 *
				 * @since 2.5.0
				 *
				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
				 */
				do_action( 'media_buttons', $editor_id );
				echo "</div>\n";
			}

			echo '<div class="wp-editor-tabs">' . $buttons . "</div>\n";
			echo "</div>\n";
		}

		$quicktags_toolbar = '';

		if ( self::$this_quicktags ) {
			if ( 'content' === $editor_id && ! empty( $GLOBALS['current_screen'] ) && 'post' === $GLOBALS['current_screen']->base ) {
				$toolbar_id = 'ed_toolbar';
			} else {
				$toolbar_id = 'qt_' . $editor_id_attr . '_toolbar';
			}

			$quicktags_toolbar = '<div id="' . $toolbar_id . '" class="quicktags-toolbar hide-if-no-js"></div>';
		}

		/**
		 * Filters the HTML markup output that displays the editor.
		 *
		 * @since 2.1.0
		 *
		 * @param string $output Editor's HTML markup.
		 */
		$the_editor = apply_filters(
			'the_editor',
			'<div id="wp-' . $editor_id_attr . '-editor-container" class="wp-editor-container">' .
			$quicktags_toolbar .
			'<textarea' . $editor_class . $height . $tabindex . $autocomplete . ' cols="40" name="' . esc_attr( $set['textarea_name'] ) . '" ' .
			'id="' . $editor_id_attr . '">%s</textarea></div>'
		);

		// Prepare the content for the Visual or Text editor, only when TinyMCE is used (back-compat).
		if ( self::$this_tinymce ) {
			add_filter( 'the_editor_content', 'format_for_editor', 10, 2 );
		}

		/**
		 * Filters the default editor content.
		 *
		 * @since 2.1.0
		 *
		 * @param string $content        Default editor content.
		 * @param string $default_editor The default editor for the current user.
		 *                               Either 'html' or 'tinymce'.
		 */
		$content = apply_filters( 'the_editor_content', $content, $default_editor );

		// Remove the filter as the next editor on the same page may not need it.
		if ( self::$this_tinymce ) {
			remove_filter( 'the_editor_content', 'format_for_editor' );
		}

		// Back-compat for the `htmledit_pre` and `richedit_pre` filters.
		if ( 'html' === $default_editor && has_filter( 'htmledit_pre' ) ) {
			/** This filter is documented in wp-includes/deprecated.php */
			$content = apply_filters_deprecated( 'htmledit_pre', array( $content ), '4.3.0', 'format_for_editor' );
		} elseif ( 'tinymce' === $default_editor && has_filter( 'richedit_pre' ) ) {
			/** This filter is documented in wp-includes/deprecated.php */
			$content = apply_filters_deprecated( 'richedit_pre', array( $content ), '4.3.0', 'format_for_editor' );
		}

		if ( false !== stripos( $content, 'textarea' ) ) {
			$content = preg_replace( '%</textarea%i', '&lt;/textarea', $content );
		}

		printf( $the_editor, $content );
		echo "\n</div>\n\n";

		self::editor_settings( $editor_id, $set );
	}

	/**
	 * @since 3.3.0
	 *
	 * @param string $editor_id Unique editor identifier, e.g. 'content'.
	 * @param array  $set       Array of editor arguments.
	 */
	public static function editor_settings( $editor_id, $set ) {
		if ( empty( self::$first_init ) ) {
			if ( is_admin() ) {
				add_action( 'admin_print_footer_scripts', array( __CLASS__, 'editor_js' ), 50 );
				add_action( 'admin_print_footer_scripts', array( __CLASS__, 'force_uncompressed_tinymce' ), 1 );
				add_action( 'admin_print_footer_scripts', array( __CLASS__, 'enqueue_scripts' ), 1 );
			} else {
				add_action( 'wp_print_footer_scripts', array( __CLASS__, 'editor_js' ), 50 );
				add_action( 'wp_print_footer_scripts', array( __CLASS__, 'force_uncompressed_tinymce' ), 1 );
				add_action( 'wp_print_footer_scripts', array( __CLASS__, 'enqueue_scripts' ), 1 );
			}
		}

		if ( self::$this_quicktags ) {

			$qtInit = array(
				'id'      => $editor_id,
				'buttons' => '',
			);

			if ( is_array( $set['quicktags'] ) ) {
				$qtInit = array_merge( $qtInit, $set['quicktags'] );
			}

			if ( empty( $qtInit['buttons'] ) ) {
				$qtInit['buttons'] = 'strong,em,link,block,del,ins,img,ul,ol,li,code,more,close';
			}

			if ( $set['_content_editor_dfw'] ) {
				$qtInit['buttons'] .= ',dfw';
			}

			/**
			 * Filters the Quicktags settings.
			 *
			 * @since 3.3.0
			 *
			 * @param array  $qtInit    Quicktags settings.
			 * @param string $editor_id Unique editor identifier, e.g. 'content'.
			 */
			$qtInit = apply_filters( 'quicktags_settings', $qtInit, $editor_id );

			self::$qt_settings[ $editor_id ] = $qtInit;

			self::$qt_buttons = array_merge( self::$qt_buttons, explode( ',', $qtInit['buttons'] ) );
		}

		if ( self::$this_tinymce ) {

			if ( empty( self::$first_init ) ) {
				$baseurl     = self::get_baseurl();
				$mce_locale  = self::get_mce_locale();
				$ext_plugins = '';

				if ( $set['teeny'] ) {

					/**
					 * Filters the list of teenyMCE plugins.
					 *
					 * @since 2.7.0
					 * @since 3.3.0 The `$editor_id` parameter was added.
					 *
					 * @param array  $plugins   An array of teenyMCE plugins.
					 * @param string $editor_id Unique editor identifier, e.g. 'content'.
					 */
					$plugins = apply_filters(
						'teeny_mce_plugins',
						array(
							'colorpicker',
							'lists',
							'fullscreen',
							'image',
							'wordpress',
							'wpeditimage',
							'wplink',
						),
						$editor_id
					);
				} else {

					/**
					 * Filters the list of TinyMCE external plugins.
					 *
					 * The filter takes an associative array of external plugins for
					 * TinyMCE in the form 'plugin_name' => 'url'.
					 *
					 * The url should be absolute, and should include the js filename
					 * to be loaded. For example:
					 * 'myplugin' => 'http://mysite.com/wp-content/plugins/myfolder/mce_plugin.js'.
					 *
					 * If the external plugin adds a button, it should be added with
					 * one of the 'mce_buttons' filters.
					 *
					 * @since 2.5.0
					 * @since 5.3.0 The `$editor_id` parameter was added.
					 *
					 * @param array  $external_plugins An array of external TinyMCE plugins.
					 * @param string $editor_id        Unique editor identifier, e.g. 'content'. Accepts 'classic-block'
					 *                                 when called from block editor's Classic block.
					 */
					$mce_external_plugins = apply_filters( 'mce_external_plugins', array(), $editor_id );

					$plugins = array(
						'charmap',
						'colorpicker',
						'hr',
						'lists',
						'media',
						'paste',
						'tabfocus',
						'textcolor',
						'fullscreen',
						'wordpress',
						'wpautoresize',
						'wpeditimage',
						'wpemoji',
						'wpgallery',
						'wplink',
						'wpdialogs',
						'wptextpattern',
						'wpview',
					);

					if ( ! self::$has_medialib ) {
						$plugins[] = 'image';
					}

					/**
					 * Filters the list of default TinyMCE plugins.
					 *
					 * The filter specifies which of the default plugins included
					 * in WordPress should be added to the TinyMCE instance.
					 *
					 * @since 3.3.0
					 * @since 5.3.0 The `$editor_id` parameter was added.
					 *
					 * @param array  $plugins   An array of default TinyMCE plugins.
					 * @param string $editor_id Unique editor identifier, e.g. 'content'. Accepts 'classic-block'
					 *                          when called from block editor's Classic block.
					 */
					$plugins = array_unique( apply_filters( 'tiny_mce_plugins', $plugins, $editor_id ) );

					$key = array_search( 'spellchecker', $plugins, true );
					if ( false !== $key ) {
						// Remove 'spellchecker' from the internal plugins if added with 'tiny_mce_plugins' filter to prevent errors.
						// It can be added with 'mce_external_plugins'.
						unset( $plugins[ $key ] );
					}

					if ( ! empty( $mce_external_plugins ) ) {

						/**
						 * Filters the translations loaded for external TinyMCE 3.x plugins.
						 *
						 * The filter takes an associative array ('plugin_name' => 'path')
						 * where 'path' is the include path to the file.
						 *
						 * The language file should follow the same format as wp_mce_translation(),
						 * and should define a variable ($strings) that holds all translated strings.
						 *
						 * @since 2.5.0
						 * @since 5.3.0 The `$editor_id` parameter was added.
						 *
						 * @param array  $translations Translations for external TinyMCE plugins.
						 * @param string $editor_id    Unique editor identifier, e.g. 'content'.
						 */
						$mce_external_languages = apply_filters( 'mce_external_languages', array(), $editor_id );

						$loaded_langs = array();
						$strings      = '';

						if ( ! empty( $mce_external_languages ) ) {
							foreach ( $mce_external_languages as $name => $path ) {
								if ( @is_file( $path ) && @is_readable( $path ) ) {
									include_once $path;
									$ext_plugins   .= $strings . "\n";
									$loaded_langs[] = $name;
								}
							}
						}

						foreach ( $mce_external_plugins as $name => $url ) {
							if ( in_array( $name, $plugins, true ) ) {
								unset( $mce_external_plugins[ $name ] );
								continue;
							}

							$url                           = set_url_scheme( $url );
							$mce_external_plugins[ $name ] = $url;
							$plugurl                       = dirname( $url );
							$strings                       = '';

							// Try to load langs/[locale].js and langs/[locale]_dlg.js.
							if ( ! in_array( $name, $loaded_langs, true ) ) {
								$path = str_replace( content_url(), '', $plugurl );
								$path = WP_CONTENT_DIR . $path . '/langs/';

								$path = trailingslashit( realpath( $path ) );

								if ( @is_file( $path . $mce_locale . '.js' ) ) {
									$strings .= @file_get_contents( $path . $mce_locale . '.js' ) . "\n";
								}

								if ( @is_file( $path . $mce_locale . '_dlg.js' ) ) {
									$strings .= @file_get_contents( $path . $mce_locale . '_dlg.js' ) . "\n";
								}

								if ( 'en' !== $mce_locale && empty( $strings ) ) {
									if ( @is_file( $path . 'en.js' ) ) {
										$str1     = @file_get_contents( $path . 'en.js' );
										$strings .= preg_replace( '/([\'"])en\./', '$1' . $mce_locale . '.', $str1, 1 ) . "\n";
									}

									if ( @is_file( $path . 'en_dlg.js' ) ) {
										$str2     = @file_get_contents( $path . 'en_dlg.js' );
										$strings .= preg_replace( '/([\'"])en\./', '$1' . $mce_locale . '.', $str2, 1 ) . "\n";
									}
								}

								if ( ! empty( $strings ) ) {
									$ext_plugins .= "\n" . $strings . "\n";
								}
							}

							$ext_plugins .= 'tinyMCEPreInit.load_ext("' . $plugurl . '", "' . $mce_locale . '");' . "\n";
						}
					}
				}

				self::$plugins     = $plugins;
				self::$ext_plugins = $ext_plugins;

				$settings            = self::default_settings();
				$settings['plugins'] = implode( ',', $plugins );

				if ( ! empty( $mce_external_plugins ) ) {
					$settings['external_plugins'] = wp_json_encode( $mce_external_plugins );
				}

				/** This filter is documented in wp-admin/includes/media.php */
				if ( apply_filters( 'disable_captions', '' ) ) {
					$settings['wpeditimage_disable_captions'] = true;
				}

				$mce_css = $settings['content_css'];

				/*
				 * The `editor-style.css` added by the theme is generally intended for the editor instance on the Edit Post screen.
				 * Plugins that use wp_editor() on the front-end can decide whether to add the theme stylesheet
				 * by using `get_editor_stylesheets()` and the `mce_css` or `tiny_mce_before_init` filters, see below.
				 */
				if ( is_admin() ) {
					$editor_styles = get_editor_stylesheets();

					if ( ! empty( $editor_styles ) ) {
						// Force urlencoding of commas.
						foreach ( $editor_styles as $key => $url ) {
							if ( strpos( $url, ',' ) !== false ) {
								$editor_styles[ $key ] = str_replace( ',', '%2C', $url );
							}
						}

						$mce_css .= ',' . implode( ',', $editor_styles );
					}
				}

				/**
				 * Filters the comma-delimited list of stylesheets to load in TinyMCE.
				 *
				 * @since 2.1.0
				 *
				 * @param string $stylesheets Comma-delimited list of stylesheets.
				 */
				$mce_css = trim( apply_filters( 'mce_css', $mce_css ), ' ,' );

				if ( ! empty( $mce_css ) ) {
					$settings['content_css'] = $mce_css;
				} else {
					unset( $settings['content_css'] );
				}

				self::$first_init = $settings;
			}

			if ( $set['teeny'] ) {
				$mce_buttons = array(
					'bold',
					'italic',
					'underline',
					'blockquote',
					'strikethrough',
					'bullist',
					'numlist',
					'alignleft',
					'aligncenter',
					'alignright',
					'undo',
					'redo',
					'link',
					'fullscreen',
				);

				/**
				 * Filters the list of teenyMCE buttons (Text tab).
				 *
				 * @since 2.7.0
				 * @since 3.3.0 The `$editor_id` parameter was added.
				 *
				 * @param array  $mce_buttons An array of teenyMCE buttons.
				 * @param string $editor_id   Unique editor identifier, e.g. 'content'.
				 */
				$mce_buttons   = apply_filters( 'teeny_mce_buttons', $mce_buttons, $editor_id );
				$mce_buttons_2 = array();
				$mce_buttons_3 = array();
				$mce_buttons_4 = array();
			} else {
				$mce_buttons = array(
					'formatselect',
					'bold',
					'italic',
					'bullist',
					'numlist',
					'blockquote',
					'alignleft',
					'aligncenter',
					'alignright',
					'link',
					'wp_more',
					'spellchecker',
				);

				if ( ! wp_is_mobile() ) {
					if ( $set['_content_editor_dfw'] ) {
						$mce_buttons[] = 'wp_adv';
						$mce_buttons[] = 'dfw';
					} else {
						$mce_buttons[] = 'fullscreen';
						$mce_buttons[] = 'wp_adv';
					}
				} else {
					$mce_buttons[] = 'wp_adv';
				}

				/**
				 * Filters the first-row list of TinyMCE buttons (Visual tab).
				 *
				 * @since 2.0.0
				 * @since 3.3.0 The `$editor_id` parameter was added.
				 *
				 * @param array  $mce_buttons First-row list of buttons.
				 * @param string $editor_id   Unique editor identifier, e.g. 'content'. Accepts 'classic-block'
				 *                            when called from block editor's Classic block.
				 */
				$mce_buttons = apply_filters( 'mce_buttons', $mce_buttons, $editor_id );

				$mce_buttons_2 = array(
					'strikethrough',
					'hr',
					'forecolor',
					'pastetext',
					'removeformat',
					'charmap',
					'outdent',
					'indent',
					'undo',
					'redo',
				);

				if ( ! wp_is_mobile() ) {
					$mce_buttons_2[] = 'wp_help';
				}

				/**
				 * Filters the second-row list of TinyMCE buttons (Visual tab).
				 *
				 * @since 2.0.0
				 * @since 3.3.0 The `$editor_id` parameter was added.
				 *
				 * @param array  $mce_buttons_2 Second-row list of buttons.
				 * @param string $editor_id     Unique editor identifier, e.g. 'content'. Accepts 'classic-block'
				 *                              when called from block editor's Classic block.
				 */
				$mce_buttons_2 = apply_filters( 'mce_buttons_2', $mce_buttons_2, $editor_id );

				/**
				 * Filters the third-row list of TinyMCE buttons (Visual tab).
				 *
				 * @since 2.0.0
				 * @since 3.3.0 The `$editor_id` parameter was added.
				 *
				 * @param array  $mce_buttons_3 Third-row list of buttons.
				 * @param string $editor_id     Unique editor identifier, e.g. 'content'. Accepts 'classic-block'
				 *                              when called from block editor's Classic block.
				 */
				$mce_buttons_3 = apply_filters( 'mce_buttons_3', array(), $editor_id );

				/**
				 * Filters the fourth-row list of TinyMCE buttons (Visual tab).
				 *
				 * @since 2.5.0
				 * @since 3.3.0 The `$editor_id` parameter was added.
				 *
				 * @param array  $mce_buttons_4 Fourth-row list of buttons.
				 * @param string $editor_id     Unique editor identifier, e.g. 'content'. Accepts 'classic-block'
				 *                              when called from block editor's Classic block.
				 */
				$mce_buttons_4 = apply_filters( 'mce_buttons_4', array(), $editor_id );
			}

			$body_class = $editor_id;

			$post = get_post();
			if ( $post ) {
				$body_class .= ' post-type-' . sanitize_html_class( $post->post_type ) . ' post-status-' . sanitize_html_class( $post->post_status );

				if ( post_type_supports( $post->post_type, 'post-formats' ) ) {
					$post_format = get_post_format( $post );
					if ( $post_format && ! is_wp_error( $post_format ) ) {
						$body_class .= ' post-format-' . sanitize_html_class( $post_format );
					} else {
						$body_class .= ' post-format-standard';
					}
				}

				$page_template = get_page_template_slug( $post );

				if ( false !== $page_template ) {
					$page_template = empty( $page_template ) ? 'default' : str_replace( '.', '-', basename( $page_template, '.php' ) );
					$body_class   .= ' page-template-' . sanitize_html_class( $page_template );
				}
			}

			$body_class .= ' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_user_locale() ) ) );

			if ( ! empty( $set['tinymce']['body_class'] ) ) {
				$body_class .= ' ' . $set['tinymce']['body_class'];
				unset( $set['tinymce']['body_class'] );
			}

			$mceInit = array(
				'selector'          => "#$editor_id",
				'wpautop'           => (bool) $set['wpautop'],
				'indent'            => ! $set['wpautop'],
				'toolbar1'          => implode( ',', $mce_buttons ),
				'toolbar2'          => implode( ',', $mce_buttons_2 ),
				'toolbar3'          => implode( ',', $mce_buttons_3 ),
				'toolbar4'          => implode( ',', $mce_buttons_4 ),
				'tabfocus_elements' => $set['tabfocus_elements'],
				'body_class'        => $body_class,
			);

			// Merge with the first part of the init array.
			$mceInit = array_merge( self::$first_init, $mceInit );

			if ( is_array( $set['tinymce'] ) ) {
				$mceInit = array_merge( $mceInit, $set['tinymce'] );
			}

			/*
			 * For people who really REALLY know what they're doing with TinyMCE
			 * You can modify $mceInit to add, remove, change elements of the config
			 * before tinyMCE.init. Setting "valid_elements", "invalid_elements"
			 * and "extended_valid_elements" can be done through this filter. Best
			 * is to use the default cleanup by not specifying valid_elements,
			 * as TinyMCE checks against the full set of HTML 5.0 elements and attributes.
			 */
			if ( $set['teeny'] ) {

				/**
				 * Filters the teenyMCE config before init.
				 *
				 * @since 2.7.0
				 * @since 3.3.0 The `$editor_id` parameter was added.
				 *
				 * @param array  $mceInit   An array with teenyMCE config.
				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
				 */
				$mceInit = apply_filters( 'teeny_mce_before_init', $mceInit, $editor_id );
			} else {

				/**
				 * Filters the TinyMCE config before init.
				 *
				 * @since 2.5.0
				 * @since 3.3.0 The `$editor_id` parameter was added.
				 *
				 * @param array  $mceInit   An array with TinyMCE config.
				 * @param string $editor_id Unique editor identifier, e.g. 'content'. Accepts 'classic-block'
				 *                          when called from block editor's Classic block.
				 */
				$mceInit = apply_filters( 'tiny_mce_before_init', $mceInit, $editor_id );
			}

			if ( empty( $mceInit['toolbar3'] ) && ! empty( $mceInit['toolbar4'] ) ) {
				$mceInit['toolbar3'] = $mceInit['toolbar4'];
				$mceInit['toolbar4'] = '';
			}

			self::$mce_settings[ $editor_id ] = $mceInit;
		} // End if self::$this_tinymce.
	}

	/**
	 * @since 3.3.0
	 *
	 * @param array $init
	 * @return string
	 */
	private static function _parse_init( $init ) {
		$options = '';

		foreach ( $init as $key => $value ) {
			if ( is_bool( $value ) ) {
				$val      = $value ? 'true' : 'false';
				$options .= $key . ':' . $val . ',';
				continue;
			} elseif ( ! empty( $value ) && is_string( $value ) && (
				( '{' === $value[0] && '}' === $value[ strlen( $value ) - 1 ] ) ||
				( '[' === $value[0] && ']' === $value[ strlen( $value ) - 1 ] ) ||
				preg_match( '/^\(?function ?\(/', $value ) ) ) {

				$options .= $key . ':' . $value . ',';
				continue;
			}
			$options .= $key . ':"' . $value . '",';
		}

		return '{' . trim( $options, ' ,' ) . '}';
	}

	/**
	 * @since 3.3.0
	 *
	 * @param bool $default_scripts Optional. Whether default scripts should be enqueued. Default false.
	 */
	public static function enqueue_scripts( $default_scripts = false ) {
		if ( $default_scripts || self::$has_tinymce ) {
			wp_enqueue_script( 'editor' );
		}

		if ( $default_scripts || self::$has_quicktags ) {
			wp_enqueue_script( 'quicktags' );
			wp_enqueue_style( 'buttons' );
		}

		if ( $default_scripts || in_array( 'wplink', self::$plugins, true ) || in_array( 'link', self::$qt_buttons, true ) ) {
			wp_enqueue_script( 'wplink' );
			wp_enqueue_script( 'jquery-ui-autocomplete' );
		}

		if ( self::$has_medialib ) {
			add_thickbox();
			wp_enqueue_script( 'media-upload' );
			wp_enqueue_script( 'wp-embed' );
		} elseif ( $default_scripts ) {
			wp_enqueue_script( 'media-upload' );
		}

		/**
		 * Fires when scripts and styles are enqueued for the editor.
		 *
		 * @since 3.9.0
		 *
		 * @param array $to_load An array containing boolean values whether TinyMCE
		 *                       and Quicktags are being loaded.
		 */
		do_action(
			'wp_enqueue_editor',
			array(
				'tinymce'   => ( $default_scripts || self::$has_tinymce ),
				'quicktags' => ( $default_scripts || self::$has_quicktags ),
			)
		);
	}

	/**
	 * Enqueue all editor scripts.
	 * For use when the editor is going to be initialized after page load.
	 *
	 * @since 4.8.0
	 */
	public static function enqueue_default_editor() {
		// We are past the point where scripts can be enqueued properly.
		if ( did_action( 'wp_enqueue_editor' ) ) {
			return;
		}

		self::enqueue_scripts( true );

		// Also add wp-includes/css/editor.css.
		wp_enqueue_style( 'editor-buttons' );

		if ( is_admin() ) {
			add_action( 'admin_print_footer_scripts', array( __CLASS__, 'force_uncompressed_tinymce' ), 1 );
			add_action( 'admin_print_footer_scripts', array( __CLASS__, 'print_default_editor_scripts' ), 45 );
		} else {
			add_action( 'wp_print_footer_scripts', array( __CLASS__, 'force_uncompressed_tinymce' ), 1 );
			add_action( 'wp_print_footer_scripts', array( __CLASS__, 'print_default_editor_scripts' ), 45 );
		}
	}

	/**
	 * Print (output) all editor scripts and default settings.
	 * For use when the editor is going to be initialized after page load.
	 *
	 * @since 4.8.0
	 */
	public static function print_default_editor_scripts() {
		$user_can_richedit = user_can_richedit();

		if ( $user_can_richedit ) {
			$settings = self::default_settings();

			$settings['toolbar1']    = 'bold,italic,bullist,numlist,link';
			$settings['wpautop']     = false;
			$settings['indent']      = true;
			$settings['elementpath'] = false;

			if ( is_rtl() ) {
				$settings['directionality'] = 'rtl';
			}

			/*
			 * In production all plugins are loaded (they are in wp-editor.js.gz).
			 * The 'wpview', 'wpdialogs', and 'media' TinyMCE plugins are not initialized by default.
			 * Can be added from js by using the 'wp-before-tinymce-init' event.
			 */
			$settings['plugins'] = implode(
				',',
				array(
					'charmap',
					'colorpicker',
					'hr',
					'lists',
					'paste',
					'tabfocus',
					'textcolor',
					'fullscreen',
					'wordpress',
					'wpautoresize',
					'wpeditimage',
					'wpemoji',
					'wpgallery',
					'wplink',
					'wptextpattern',
				)
			);

			$settings = self::_parse_init( $settings );
		} else {
			$settings = '{}';
		}

		?>
		<script type="text/javascript">
		window.wp = window.wp || {};
		window.wp.editor = window.wp.editor || {};
		window.wp.editor.getDefaultSettings = function() {
			return {
				tinymce: <?php echo $settings; ?>,
				quicktags: {
					buttons: 'strong,em,link,ul,ol,li,code'
				}
			};
		};

		<?php

		if ( $user_can_richedit ) {
			$suffix  = SCRIPT_DEBUG ? '' : '.min';
			$baseurl = self::get_baseurl();

			?>
			var tinyMCEPreInit = {
				baseURL: "<?php echo $baseurl; ?>",
				suffix: "<?php echo $suffix; ?>",
				mceInit: {},
				qtInit: {},
				load_ext: function(url,lang){var sl=tinymce.ScriptLoader;sl.markDone(url+'/langs/'+lang+'.js');sl.markDone(url+'/langs/'+lang+'_dlg.js');}
			};
			<?php
		}
		?>
		</script>
		<?php

		if ( $user_can_richedit ) {
			self::print_tinymce_scripts();
		}

		/**
		 * Fires when the editor scripts are loaded for later initialization,
		 * after all scripts and settings are printed.
		 *
		 * @since 4.8.0
		 */
		do_action( 'print_default_editor_scripts' );

		self::wp_link_dialog();
	}

	/**
	 * Returns the TinyMCE locale.
	 *
	 * @since 4.8.0
	 *
	 * @return string
	 */
	public static function get_mce_locale() {
		if ( empty( self::$mce_locale ) ) {
			$mce_locale       = get_user_locale();
			self::$mce_locale = empty( $mce_locale ) ? 'en' : strtolower( substr( $mce_locale, 0, 2 ) ); // ISO 639-1.
		}

		return self::$mce_locale;
	}

	/**
	 * Returns the TinyMCE base URL.
	 *
	 * @since 4.8.0
	 *
	 * @return string
	 */
	public static function get_baseurl() {
		if ( empty( self::$baseurl ) ) {
			self::$baseurl = includes_url( 'js/tinymce' );
		}

		return self::$baseurl;
	}

	/**
	 * Returns the default TinyMCE settings.
	 * Doesn't include plugins, buttons, editor selector.
	 *
	 * @since 4.8.0
	 *
	 * @global string $tinymce_version
	 *
	 * @return array
	 */
	private static function default_settings() {
		global $tinymce_version;

		$shortcut_labels = array();

		foreach ( self::get_translation() as $name => $value ) {
			if ( is_array( $value ) ) {
				$shortcut_labels[ $name ] = $value[1];
			}
		}

		$settings = array(
			'theme'                        => 'modern',
			'skin'                         => 'lightgray',
			'language'                     => self::get_mce_locale(),
			'formats'                      => '{' .
				'alignleft: [' .
					'{selector: "p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li", styles: {textAlign:"left"}},' .
					'{selector: "img,table,dl.wp-caption", classes: "alignleft"}' .
				'],' .
				'aligncenter: [' .
					'{selector: "p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li", styles: {textAlign:"center"}},' .
					'{selector: "img,table,dl.wp-caption", classes: "aligncenter"}' .
				'],' .
				'alignright: [' .
					'{selector: "p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li", styles: {textAlign:"right"}},' .
					'{selector: "img,table,dl.wp-caption", classes: "alignright"}' .
				'],' .
				'strikethrough: {inline: "del"}' .
			'}',
			'relative_urls'                => false,
			'remove_script_host'           => false,
			'convert_urls'                 => false,
			'browser_spellcheck'           => true,
			'fix_list_elements'            => true,
			'entities'                     => '38,amp,60,lt,62,gt',
			'entity_encoding'              => 'raw',
			'keep_styles'                  => false,
			'cache_suffix'                 => 'wp-mce-' . $tinymce_version,
			'resize'                       => 'vertical',
			'menubar'                      => false,
			'branding'                     => false,

			// Limit the preview styles in the menu/toolbar.
			'preview_styles'               => 'font-family font-size font-weight font-style text-decoration text-transform',

			'end_container_on_empty_block' => true,
			'wpeditimage_html5_captions'   => true,
			'wp_lang_attr'                 => get_bloginfo( 'language' ),
			'wp_keep_scroll_position'      => false,
			'wp_shortcut_labels'           => wp_json_encode( $shortcut_labels ),
		);

		$suffix  = SCRIPT_DEBUG ? '' : '.min';
		$version = 'ver=' . get_bloginfo( 'version' );

		// Default stylesheets.
		$settings['content_css'] = includes_url( "css/dashicons$suffix.css?$version" ) . ',' .
			includes_url( "js/tinymce/skins/wordpress/wp-content.css?$version" );

		return $settings;
	}

	/**
	 * @since 4.7.0
	 *
	 * @return array
	 */
	private static function get_translation() {
		if ( empty( self::$translation ) ) {
			self::$translation = array(
				// Default TinyMCE strings.
				'New document'                         => __( 'New document' ),
				'Formats'                              => _x( 'Formats', 'TinyMCE' ),

				'Headings'                             => _x( 'Headings', 'TinyMCE' ),
				'Heading 1'                            => array( __( 'Heading 1' ), 'access1' ),
				'Heading 2'                            => array( __( 'Heading 2' ), 'access2' ),
				'Heading 3'                            => array( __( 'Heading 3' ), 'access3' ),
				'Heading 4'                            => array( __( 'Heading 4' ), 'access4' ),
				'Heading 5'                            => array( __( 'Heading 5' ), 'access5' ),
				'Heading 6'                            => array( __( 'Heading 6' ), 'access6' ),

				/* translators: Block tags. */
				'Blocks'                               => _x( 'Blocks', 'TinyMCE' ),
				'Paragraph'                            => array( __( 'Paragraph' ), 'access7' ),
				'Blockquote'                           => array( __( 'Blockquote' ), 'accessQ' ),
				'Div'                                  => _x( 'Div', 'HTML tag' ),
				'Pre'                                  => _x( 'Pre', 'HTML tag' ),
				'Preformatted'                         => _x( 'Preformatted', 'HTML tag' ),
				'Address'                              => _x( 'Address', 'HTML tag' ),

				'Inline'                               => _x( 'Inline', 'HTML elements' ),
				'Underline'                            => array( __( 'Underline' ), 'metaU' ),
				'Strikethrough'                        => array( __( 'Strikethrough' ), 'accessD' ),
				'Subscript'                            => __( 'Subscript' ),
				'Superscript'                          => __( 'Superscript' ),
				'Clear formatting'                     => __( 'Clear formatting' ),
				'Bold'                                 => array( __( 'Bold' ), 'metaB' ),
				'Italic'                               => array( __( 'Italic' ), 'metaI' ),
				'Code'                                 => array( __( 'Code' ), 'accessX' ),
				'Source code'                          => __( 'Source code' ),
				'Font Family'                          => __( 'Font Family' ),
				'Font Sizes'                           => __( 'Font Sizes' ),

				'Align center'                         => array( __( 'Align center' ), 'accessC' ),
				'Align right'                          => array( __( 'Align right' ), 'accessR' ),
				'Align left'                           => array( __( 'Align left' ), 'accessL' ),
				'Justify'                              => array( __( 'Justify' ), 'accessJ' ),
				'Increase indent'                      => __( 'Increase indent' ),
				'Decrease indent'                      => __( 'Decrease indent' ),

				'Cut'                                  => array( __( 'Cut' ), 'metaX' ),
				'Copy'                                 => array( __( 'Copy' ), 'metaC' ),
				'Paste'                                => array( __( 'Paste' ), 'metaV' ),
				'Select all'                           => array( __( 'Select all' ), 'metaA' ),
				'Undo'                                 => array( __( 'Undo' ), 'metaZ' ),
				'Redo'                                 => array( __( 'Redo' ), 'metaY' ),

				'Ok'                                   => __( 'OK' ),
				'Cancel'                               => __( 'Cancel' ),
				'Close'                                => __( 'Close' ),
				'Visual aids'                          => __( 'Visual aids' ),

				'Bullet list'                          => array( __( 'Bulleted list' ), 'accessU' ),
				'Numbered list'                        => array( __( 'Numbered list' ), 'accessO' ),
				'Square'                               => _x( 'Square', 'list style' ),
				'Default'                              => _x( 'Default', 'list style' ),
				'Circle'                               => _x( 'Circle', 'list style' ),
				'Disc'                                 => _x( 'Disc', 'list style' ),
				'Lower Greek'                          => _x( 'Lower Greek', 'list style' ),
				'Lower Alpha'                          => _x( 'Lower Alpha', 'list style' ),
				'Upper Alpha'                          => _x( 'Upper Alpha', 'list style' ),
				'Upper Roman'                          => _x( 'Upper Roman', 'list style' ),
				'Lower Roman'                          => _x( 'Lower Roman', 'list style' ),

				// Anchor plugin.
				'Name'                                 => _x( 'Name', 'Name of link anchor (TinyMCE)' ),
				'Anchor'                               => _x( 'Anchor', 'Link anchor (TinyMCE)' ),
				'Anchors'                              => _x( 'Anchors', 'Link anchors (TinyMCE)' ),
				'Id should start with a letter, followed only by letters, numbers, dashes, dots, colons or underscores.' =>
					__( 'Id should start with a letter, followed only by letters, numbers, dashes, dots, colons or underscores.' ),
				'Id'                                   => _x( 'Id', 'Id for link anchor (TinyMCE)' ),

				// Fullpage plugin.
				'Document properties'                  => __( 'Document properties' ),
				'Robots'                               => __( 'Robots' ),
				'Title'                                => __( 'Title' ),
				'Keywords'                             => __( 'Keywords' ),
				'Encoding'                             => __( 'Encoding' ),
				'Description'                          => __( 'Description' ),
				'Author'                               => __( 'Author' ),

				// Media, image plugins.
				'Image'                                => __( 'Image' ),
				'Insert/edit image'                    => array( __( 'Insert/edit image' ), 'accessM' ),
				'General'                              => __( 'General' ),
				'Advanced'                             => __( 'Advanced' ),
				'Source'                               => __( 'Source' ),
				'Border'                               => __( 'Border' ),
				'Constrain proportions'                => __( 'Constrain proportions' ),
				'Vertical space'                       => __( 'Vertical space' ),
				'Image description'                    => __( 'Image description' ),
				'Style'                                => __( 'Style' ),
				'Dimensions'                           => __( 'Dimensions' ),
				'Insert image'                         => __( 'Insert image' ),
				'Date/time'                            => __( 'Date/time' ),
				'Insert date/time'                     => __( 'Insert date/time' ),
				'Table of Contents'                    => __( 'Table of Contents' ),
				'Insert/Edit code sample'              => __( 'Insert/edit code sample' ),
				'Language'                             => __( 'Language' ),
				'Media'                                => __( 'Media' ),
				'Insert/edit media'                    => __( 'Insert/edit media' ),
				'Poster'                               => __( 'Poster' ),
				'Alternative source'                   => __( 'Alternative source' ),
				'Paste your embed code below:'         => __( 'Paste your embed code below:' ),
				'Insert video'                         => __( 'Insert video' ),
				'Embed'                                => __( 'Embed' ),

				// Each of these have a corresponding plugin.
				'Special character'                    => __( 'Special character' ),
				'Right to left'                        => _x( 'Right to left', 'editor button' ),
				'Left to right'                        => _x( 'Left to right', 'editor button' ),
				'Emoticons'                            => __( 'Emoticons' ),
				'Nonbreaking space'                    => __( 'Nonbreaking space' ),
				'Page break'                           => __( 'Page break' ),
				'Paste as text'                        => __( 'Paste as text' ),
				'Preview'                              => __( 'Preview' ),
				'Print'                                => __( 'Print' ),
				'Save'                                 => __( 'Save' ),
				'Fullscreen'                           => __( 'Fullscreen' ),
				'Horizontal line'                      => __( 'Horizontal line' ),
				'Horizontal space'                     => __( 'Horizontal space' ),
				'Restore last draft'                   => __( 'Restore last draft' ),
				'Insert/edit link'                     => array( __( 'Insert/edit link' ), 'metaK' ),
				'Remove link'                          => array( __( 'Remove link' ), 'accessS' ),

				// Link plugin.
				'Link'                                 => __( 'Link' ),
				'Insert link'                          => __( 'Insert link' ),
				'Target'                               => __( 'Target' ),
				'New window'                           => __( 'New window' ),
				'Text to display'                      => __( 'Text to display' ),
				'Url'                                  => __( 'URL' ),
				'The URL you entered seems to be an email address. Do you want to add the required mailto: prefix?' =>
					__( 'The URL you entered seems to be an email address. Do you want to add the required mailto: prefix?' ),
				'The URL you entered seems to be an external link. Do you want to add the required http:// prefix?' =>
					__( 'The URL you entered seems to be an external link. Do you want to add the required http:// prefix?' ),

				'Color'                                => __( 'Color' ),
				'Custom color'                         => __( 'Custom color' ),
				'Custom...'                            => _x( 'Custom...', 'label for custom color' ), // No ellipsis.
				'No color'                             => __( 'No color' ),
				'R'                                    => _x( 'R', 'Short for red in RGB' ),
				'G'                                    => _x( 'G', 'Short for green in RGB' ),
				'B'                                    => _x( 'B', 'Short for blue in RGB' ),

				// Spelling, search/replace plugins.
				'Could not find the specified string.' => __( 'Could not find the specified string.' ),
				'Replace'                              => _x( 'Replace', 'find/replace' ),
				'Next'                                 => _x( 'Next', 'find/replace' ),
				/* translators: Previous. */
				'Prev'                                 => _x( 'Prev', 'find/replace' ),
				'Whole words'                          => _x( 'Whole words', 'find/replace' ),
				'Find and replace'                     => __( 'Find and replace' ),
				'Replace with'                         => _x( 'Replace with', 'find/replace' ),
				'Find'                                 => _x( 'Find', 'find/replace' ),
				'Replace all'                          => _x( 'Replace all', 'find/replace' ),
				'Match case'                           => __( 'Match case' ),
				'Spellcheck'                           => __( 'Check Spelling' ),
				'Finish'                               => _x( 'Finish', 'spellcheck' ),
				'Ignore all'                           => _x( 'Ignore all', 'spellcheck' ),
				'Ignore'                               => _x( 'Ignore', 'spellcheck' ),
				'Add to Dictionary'                    => __( 'Add to Dictionary' ),

				// TinyMCE tables.
				'Insert table'                         => __( 'Insert table' ),
				'Delete table'                         => __( 'Delete table' ),
				'Table properties'                     => __( 'Table properties' ),
				'Row properties'                       => __( 'Table row properties' ),
				'Cell properties'                      => __( 'Table cell properties' ),
				'Border color'                         => __( 'Border color' ),

				'Row'                                  => __( 'Row' ),
				'Rows'                                 => __( 'Rows' ),
				'Column'                               => __( 'Column' ),
				'Cols'                                 => __( 'Columns' ),
				'Cell'                                 => _x( 'Cell', 'table cell' ),
				'Header cell'                          => __( 'Header cell' ),
				'Header'                               => _x( 'Header', 'table header' ),
				'Body'                                 => _x( 'Body', 'table body' ),
				'Footer'                               => _x( 'Footer', 'table footer' ),

				'Insert row before'                    => __( 'Insert row before' ),
				'Insert row after'                     => __( 'Insert row after' ),
				'Insert column before'                 => __( 'Insert column before' ),
				'Insert column after'                  => __( 'Insert column after' ),
				'Paste row before'                     => __( 'Paste table row before' ),
				'Paste row after'                      => __( 'Paste table row after' ),
				'Delete row'                           => __( 'Delete row' ),
				'Delete column'                        => __( 'Delete column' ),
				'Cut row'                              => __( 'Cut table row' ),
				'Copy row'                             => __( 'Copy table row' ),
				'Merge cells'                          => __( 'Merge table cells' ),
				'Split cell'                           => __( 'Split table cell' ),

				'Height'                               => __( 'Height' ),
				'Width'                                => __( 'Width' ),
				'Caption'                              => __( 'Caption' ),
				'Alignment'                            => __( 'Alignment' ),
				'H Align'                              => _x( 'H Align', 'horizontal table cell alignment' ),
				'Left'                                 => __( 'Left' ),
				'Center'                               => __( 'Center' ),
				'Right'                                => __( 'Right' ),
				'None'                                 => _x( 'None', 'table cell alignment attribute' ),
				'V Align'                              => _x( 'V Align', 'vertical table cell alignment' ),
				'Top'                          …

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