WordPress/wp-includes/global-styles-and-settings.php

135 lines
4.7 KiB
PHP

<?php
/**
* APIs to interact with global settings & styles.
*
* @package WordPress
*/
/**
* Function to get the settings resulting of merging core, theme, and user data.
*
* @since 5.9.0
*
* @param array $path Path to the specific setting to retrieve. Optional.
* If empty, will return all settings.
* @param array $context {
* Metadata to know where to retrieve the $path from. Optional.
*
* @type string $block_name Which block to retrieve the settings from.
* If empty, it'll return the settings for the global context.
* @type string $origin Which origin to take data from.
* Valid values are 'all' (core, theme, and user) or 'base' (core and theme).
* If empty or unknown, 'all' is used.
* }
*
* @return array The settings to retrieve.
*/
function wp_get_global_settings( $path = array(), $context = array() ) {
if ( ! empty( $context['block_name'] ) ) {
$path = array_merge( array( 'blocks', $context['block_name'] ), $path );
}
$origin = 'custom';
if ( isset( $context['origin'] ) && 'base' === $context['origin'] ) {
$origin = 'theme';
}
$settings = WP_Theme_JSON_Resolver::get_merged_data( $origin )->get_settings();
return _wp_array_get( $settings, $path, $settings );
}
/**
* Function to get the styles resulting of merging core, theme, and user data.
*
* @since 5.9.0
*
* @param array $path Path to the specific style to retrieve. Optional.
* If empty, will return all styles.
* @param array $context {
* Metadata to know where to retrieve the $path from. Optional.
*
* @type string $block_name Which block to retrieve the styles from.
* If empty, it'll return the styles for the global context.
* @type string $origin Which origin to take data from.
* Valid values are 'all' (core, theme, and user) or 'base' (core and theme).
* If empty or unknown, 'all' is used.
* }
*
* @return array The styles to retrieve.
*/
function wp_get_global_styles( $path = array(), $context = array() ) {
if ( ! empty( $context['block_name'] ) ) {
$path = array_merge( array( 'blocks', $context['block_name'] ), $path );
}
$origin = 'custom';
if ( isset( $context['origin'] ) && 'base' === $context['origin'] ) {
$origin = 'theme';
}
$styles = WP_Theme_JSON_Resolver::get_merged_data( $origin )->get_raw_data()['styles'];
return _wp_array_get( $styles, $path, $styles );
}
/**
* Returns the stylesheet resulting of merging core, theme, and user data.
*
* @since 5.9.0
*
* @param array $types Types of styles to load. Optional.
* It accepts 'variables', 'styles', 'presets' as values.
* If empty, it'll load all for themes with theme.json support
* and only [ 'variables', 'presets' ] for themes without theme.json support.
*
* @return string Stylesheet.
*/
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;
}
}
$supports_theme_json = WP_Theme_JSON_Resolver::theme_has_support();
$supports_link_color = get_theme_support( 'experimental-link-color' );
if ( empty( $types ) && ! $supports_theme_json ) {
$types = array( 'variables', 'presets' );
} elseif ( empty( $types ) ) {
$types = array( 'variables', 'styles', 'presets' );
}
$origins = array( 'default', 'theme', 'custom' );
if ( ! $supports_theme_json && ! $supports_link_color ) {
// In this case we only enqueue the core presets (CSS Custom Properties + the classes).
$origins = array( 'default' );
} elseif ( ! $supports_theme_json && $supports_link_color ) {
// For the legacy link color feature to work, the CSS Custom Properties
// should be in scope (either the core or the theme ones).
$origins = array( 'default', 'theme' );
}
$tree = WP_Theme_JSON_Resolver::get_merged_data();
$stylesheet = $tree->get_stylesheet( $types, $origins );
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;
}