
如何在WordPress中编辑CSS(编辑、添加和自定义网站的外观)
wp_get_global_stylesheet ( $types = array() )
wp_get_global_stylesheet: 这个函数返回wp-admin.css文件的内容,该文件用于设计WordPress管理界面的样式。
返回合并核心、主题和用户数据后的样式表。
function wp_get_global_stylesheet( $types = array() ) { // Return cached value if it can be used and exists. // It's cached by theme to make sure that theme switching clears the cache. $can_use_cached = ( ( empty( $types ) ) && ( ! defined( 'WP_DEBUG' ) || ! WP_DEBUG ) && ( ! defined( 'SCRIPT_DEBUG' ) || ! SCRIPT_DEBUG ) && ( ! defined( 'REST_REQUEST' ) || ! REST_REQUEST ) && ! is_admin() ); $transient_name = 'global_styles_' . get_stylesheet(); if ( $can_use_cached ) { $cached = get_transient( $transient_name ); if ( $cached ) { return $cached; } } $tree = WP_Theme_JSON_Resolver::get_merged_data(); $supports_theme_json = WP_Theme_JSON_Resolver::theme_has_support(); if ( empty( $types ) && ! $supports_theme_json ) { $types = array( 'variables', 'presets', 'base-layout-styles' ); } elseif ( empty( $types ) ) { $types = array( 'variables', 'styles', 'presets' ); } /* * If variables are part of the stylesheet, then add them. * This is so themes without a theme.json still work as before 5.9: * they can override the default presets. * See https://core.trac.wordpress.org/ticket/54782 */ $styles_variables = ''; if ( in_array( 'variables', $types, true ) ) { /* * Only use the default, theme, and custom origins. Why? * Because styles for `blocks` origin are added at a later phase * (i.e. in the render cycle). Here, only the ones in use are rendered. * @see wp_add_global_styles_for_blocks */ $origins = array( 'default', 'theme', 'custom' ); $styles_variables = $tree->get_stylesheet( array( 'variables' ), $origins ); $types = array_diff( $types, array( 'variables' ) ); } /* * For the remaining types (presets, styles), we do consider origins: * * - themes without theme.json: only the classes for the presets defined by core * - themes with theme.json: the presets and styles classes, both from core and the theme */ $styles_rest = ''; if ( ! empty( $types ) ) { /* * Only use the default, theme, and custom origins. Why? * Because styles for `blocks` origin are added at a later phase * (i.e. in the render cycle). Here, only the ones in use are rendered. * @see wp_add_global_styles_for_blocks */ $origins = array( 'default', 'theme', 'custom' ); if ( ! $supports_theme_json ) { $origins = array( 'default' ); } $styles_rest = $tree->get_stylesheet( $types, $origins ); } $stylesheet = $styles_variables . $styles_rest; if ( $can_use_cached ) { // Cache for a minute. // This cache doesn't need to be any longer, we only want to avoid spikes on high-traffic sites. set_transient( $transient_name, $stylesheet, MINUTE_IN_SECONDS ); } return $stylesheet; }