
如何实现WordPress网站降级(用于解决插件和主题问题)
wp_default_styles ( $styles )
wp_default_styles是一个WordPress函数,负责注册加载在WordPress站点每个页面上的默认样式。这些样式提供了核心功能,是WordPress正常运行所必需的。
为$styles对象分配默认样式。
没有任何东西被返回,因为$styles参数是通过引用传递的。意味着无论传递什么对象都会被更新,而不必将传递的变量重新分配到相同的值。这就节省了内存。
添加默认样式并不是唯一的任务,它还分配了base_url 属性、默认版本,以及对象的文本方向。
function wp_default_styles( $styles ) { global $editor_styles; // Include an unmodified $wp_version. require ABSPATH . WPINC . '/version.php'; if ( ! defined( 'SCRIPT_DEBUG' ) ) { define( 'SCRIPT_DEBUG', false !== strpos( $wp_version, '-src' ) ); } $guessurl = site_url(); if ( ! $guessurl ) { $guessurl = wp_guess_url(); } $styles->base_url = $guessurl; $styles->content_url = defined( 'WP_CONTENT_URL' ) ? WP_CONTENT_URL : ''; $styles->default_version = get_bloginfo( 'version' ); $styles->text_direction = function_exists( 'is_rtl' ) && is_rtl() ? 'rtl' : 'ltr'; $styles->default_dirs = array( '/wp-admin/', '/wp-includes/css/' ); // Open Sans is no longer used by core, but may be relied upon by themes and plugins. $open_sans_font_url = ''; /* * translators: If there are characters in your language that are not supported * by Open Sans, translate this to 'off'. Do not translate into your own language. */ if ( 'off' !== _x( 'on', 'Open Sans font: on or off' ) ) { $subsets = 'latin,latin-ext'; /* * translators: To add an additional Open Sans character subset specific to your language, * translate this to 'greek', 'cyrillic' or 'vietnamese'. Do not translate into your own language. */ $subset = _x( 'no-subset', 'Open Sans font: add new subset (greek, cyrillic, vietnamese)' ); if ( 'cyrillic' === $subset ) { $subsets .= ',cyrillic,cyrillic-ext'; } elseif ( 'greek' === $subset ) { $subsets .= ',greek,greek-ext'; } elseif ( 'vietnamese' === $subset ) { $subsets .= ',vietnamese'; } // Hotlink Open Sans, for now. $open_sans_font_url = "https://fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,300,400,600&subset=$subsets&display=fallback"; } // Register a stylesheet for the selected admin color scheme. $styles->add( 'colors', true, array( 'wp-admin', 'buttons' ) ); $suffix = SCRIPT_DEBUG ? '' : '.min'; // Admin CSS. $styles->add( 'common', "/wp-admin/css/common$suffix.css" ); $styles->add( 'forms', "/wp-admin/css/forms$suffix.css" ); $styles->add( 'admin-menu', "/wp-admin/css/admin-menu$suffix.css" ); $styles->add( 'dashboard', "/wp-admin/css/dashboard$suffix.css" ); $styles->add( 'list-tables', "/wp-admin/css/list-tables$suffix.css" ); $styles->add( 'edit', "/wp-admin/css/edit$suffix.css" ); $styles->add( 'revisions', "/wp-admin/css/revisions$suffix.css" ); $styles->add( 'media', "/wp-admin/css/media$suffix.css" ); $styles->add( 'themes', "/wp-admin/css/themes$suffix.css" ); $styles->add( 'about', "/wp-admin/css/about$suffix.css" ); $styles->add( 'nav-menus', "/wp-admin/css/nav-menus$suffix.css" ); $styles->add( 'widgets', "/wp-admin/css/widgets$suffix.css", array( 'wp-pointer' ) ); $styles->add( 'site-icon', "/wp-admin/css/site-icon$suffix.css" ); $styles->add( 'l10n', "/wp-admin/css/l10n$suffix.css" ); $styles->add( 'code-editor', "/wp-admin/css/code-editor$suffix.css", array( 'wp-codemirror' ) ); $styles->add( 'site-health', "/wp-admin/css/site-health$suffix.css" ); $styles->add( 'wp-admin', false, array( 'dashicons', 'common', 'forms', 'admin-menu', 'dashboard', 'list-tables', 'edit', 'revisions', 'media', 'themes', 'about', 'nav-menus', 'widgets', 'site-icon', 'l10n' ) ); $styles->add( 'login', "/wp-admin/css/login$suffix.css", array( 'dashicons', 'buttons', 'forms', 'l10n' ) ); $styles->add( 'install', "/wp-admin/css/install$suffix.css", array( 'dashicons', 'buttons', 'forms', 'l10n' ) ); $styles->add( 'wp-color-picker', "/wp-admin/css/color-picker$suffix.css" ); $styles->add( 'customize-controls', "/wp-admin/css/customize-controls$suffix.css", array( 'wp-admin', 'colors', 'imgareaselect' ) ); $styles->add( 'customize-widgets', "/wp-admin/css/customize-widgets$suffix.css", array( 'wp-admin', 'colors' ) ); $styles->add( 'customize-nav-menus', "/wp-admin/css/customize-nav-menus$suffix.css", array( 'wp-admin', 'colors' ) ); // Common dependencies. $styles->add( 'buttons', "/wp-includes/css/buttons$suffix.css" ); $styles->add( 'dashicons', "/wp-includes/css/dashicons$suffix.css" ); // Includes CSS. $styles->add( 'admin-bar', "/wp-includes/css/admin-bar$suffix.css", array( 'dashicons' ) ); $styles->add( 'wp-auth-check', "/wp-includes/css/wp-auth-check$suffix.css", array( 'dashicons' ) ); $styles->add( 'editor-buttons', "/wp-includes/css/editor$suffix.css", array( 'dashicons' ) ); $styles->add( 'media-views', "/wp-includes/css/media-views$suffix.css", array( 'buttons', 'dashicons', 'wp-mediaelement' ) ); $styles->add( 'wp-pointer', "/wp-includes/css/wp-pointer$suffix.css", array( 'dashicons' ) ); $styles->add( 'customize-preview', "/wp-includes/css/customize-preview$suffix.css", array( 'dashicons' ) ); $styles->add( 'wp-embed-template-ie', "/wp-includes/css/wp-embed-template-ie$suffix.css" ); $styles->add_data( 'wp-embed-template-ie', 'conditional', 'lte IE 8' ); // External libraries and friends. $styles->add( 'imgareaselect', '/wp-includes/js/imgareaselect/imgareaselect.css', array(), '0.9.8' ); $styles->add( 'wp-jquery-ui-dialog', "/wp-includes/css/jquery-ui-dialog$suffix.css", array( 'dashicons' ) ); $styles->add( 'mediaelement', '/wp-includes/js/mediaelement/mediaelementplayer-legacy.min.css', array(), '4.2.17' ); $styles->add( 'wp-mediaelement', "/wp-includes/js/mediaelement/wp-mediaelement$suffix.css", array( 'mediaelement' ) ); $styles->add( 'thickbox', '/wp-includes/js/thickbox/thickbox.css', array( 'dashicons' ) ); $styles->add( 'wp-codemirror', '/wp-includes/js/codemirror/codemirror.min.css', array(), '5.29.1-alpha-ee20357' ); // Deprecated CSS. $styles->add( 'deprecated-media', "/wp-admin/css/deprecated-media$suffix.css" ); $styles->add( 'farbtastic', "/wp-admin/css/farbtastic$suffix.css", array(), '1.3u1' ); $styles->add( 'jcrop', '/wp-includes/js/jcrop/jquery.Jcrop.min.css', array(), '0.9.15' ); $styles->add( 'colors-fresh', false, array( 'wp-admin', 'buttons' ) ); // Old handle. $styles->add( 'open-sans', $open_sans_font_url ); // No longer used in core as of 4.6. // Noto Serif is no longer used by core, but may be relied upon by themes and plugins. $fonts_url = ''; /* * translators: Use this to specify the proper Google Font name and variants * to load that is supported by your language. Do not translate. * Set to 'off' to disable loading. */ $font_family = _x( 'Noto Serif:400,400i,700,700i', 'Google Font Name and Variants' ); if ( 'off' !== $font_family ) { $fonts_url = 'https://fonts.googleapis.com/css?family=' . urlencode( $font_family ); } $styles->add( 'wp-editor-font', $fonts_url ); // No longer used in core as of 5.7. $block_library_theme_path = WPINC . "/css/dist/block-library/theme$suffix.css"; $styles->add( 'wp-block-library-theme', "/$block_library_theme_path" ); $styles->add_data( 'wp-block-library-theme', 'path', ABSPATH . $block_library_theme_path ); $styles->add( 'wp-reset-editor-styles', "/wp-includes/css/dist/block-library/reset$suffix.css", array( 'common', 'forms' ) // Make sure the reset is loaded after the default WP Admin styles. ); $styles->add( 'wp-editor-classic-layout-styles', "/wp-includes/css/dist/edit-post/classic$suffix.css", array() ); $wp_edit_blocks_dependencies = array( 'wp-components', 'wp-editor', // This need to be added before the block library styles, // The block library styles override the "reset" styles. 'wp-reset-editor-styles', 'wp-block-library', 'wp-reusable-blocks', ); // Only load the default layout and margin styles for themes without theme.json file. if ( ! WP_Theme_JSON_Resolver::theme_has_support() ) { $wp_edit_blocks_dependencies[] = 'wp-editor-classic-layout-styles'; } if ( ! is_array( $editor_styles ) || count( $editor_styles ) === 0 ) { // Include opinionated block styles if no $editor_styles are declared, so the editor never appears broken. $wp_edit_blocks_dependencies[] = 'wp-block-library-theme'; } $styles->add( 'wp-edit-blocks', "/wp-includes/css/dist/block-library/editor$suffix.css", $wp_edit_blocks_dependencies ); $package_styles = array( 'block-editor' => array( 'wp-components' ), 'block-library' => array(), 'block-directory' => array(), 'components' => array(), 'edit-post' => array( 'wp-components', 'wp-block-editor', 'wp-editor', 'wp-edit-blocks', 'wp-block-library', 'wp-nux', ), 'editor' => array( 'wp-components', 'wp-block-editor', 'wp-nux', 'wp-reusable-blocks', ), 'format-library' => array(), 'list-reusable-blocks' => array( 'wp-components' ), 'reusable-blocks' => array( 'wp-components' ), 'nux' => array( 'wp-components' ), 'widgets' => array( 'wp-components', ), 'edit-widgets' => array( 'wp-widgets', 'wp-block-editor', 'wp-edit-blocks', 'wp-block-library', 'wp-reusable-blocks', ), 'customize-widgets' => array( 'wp-widgets', 'wp-block-editor', 'wp-edit-blocks', 'wp-block-library', 'wp-reusable-blocks', ), 'edit-site' => array( 'wp-components', 'wp-block-editor', 'wp-edit-blocks', ), ); foreach ( $package_styles as $package => $dependencies ) { $handle = 'wp-' . $package; $path = "/wp-includes/css/dist/$package/style$suffix.css"; if ( 'block-library' === $package && wp_should_load_separate_core_block_assets() ) { $path = "/wp-includes/css/dist/$package/common$suffix.css"; } $styles->add( $handle, $path, $dependencies ); $styles->add_data( $handle, 'path', ABSPATH . $path ); } // RTL CSS. $rtl_styles = array( // Admin CSS. 'common', 'forms', 'admin-menu', 'dashboard', 'list-tables', 'edit', 'revisions', 'media', 'themes', 'about', 'nav-menus', 'widgets', 'site-icon', 'l10n', 'install', 'wp-color-picker', 'customize-controls', 'customize-widgets', 'customize-nav-menus', 'customize-preview', 'login', 'site-health', // Includes CSS. 'buttons', 'admin-bar', 'wp-auth-check', 'editor-buttons', 'media-views', 'wp-pointer', 'wp-jquery-ui-dialog', // Package styles. 'wp-reset-editor-styles', 'wp-editor-classic-layout-styles', 'wp-block-library-theme', 'wp-edit-blocks', 'wp-block-editor', 'wp-block-library', 'wp-block-directory', 'wp-components', 'wp-customize-widgets', 'wp-edit-post', 'wp-edit-site', 'wp-edit-widgets', 'wp-editor', 'wp-format-library', 'wp-list-reusable-blocks', 'wp-reusable-blocks', 'wp-nux', 'wp-widgets', // Deprecated CSS. 'deprecated-media', 'farbtastic', ); foreach ( $rtl_styles as $rtl_style ) { $styles->add_data( $rtl_style, 'rtl', 'replace' ); if ( $suffix ) { $styles->add_data( $rtl_style, 'suffix', $suffix ); } } }