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Themes: Use original template paths when switching blogs. 

This fixes a bug introduced by [57129] and [56635] in which deprecating the previous  `TEMPLATEPATH` and `STYLESHEETPATH` constants in favor of `get_template_directory()` and `get_stylesheet_directory()` functions caused the active theme template path to change when using `switch_to_blog()`.

This introduces a new function, `wp_set_template_globals()`, which is called during the bootstrap process to store the template paths to new globals values `$wp_template_path` and `$wp_stylesheet_path`. This restores behavior to how things worked prior to [56635] but retains the ability for template values to be reset for better testability.

Related #18298, #60025.

Props joemcgill, flixos90, mukesh27, swissspidy, manfcarlo, metropolis_john, jeremyfelt.
Fixes #60290.

Built from https://develop.svn.wordpress.org/trunk@57685


git-svn-id: http://core.svn.wordpress.org/trunk@57186 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Joe McGill 2024-02-21 19:26:08 +00:00
parent 308a42fe40
commit 716b7d4d26
7 changed files with 73 additions and 36 deletions
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16
wp-admin/includes/theme.php
View File

@ -1160,12 +1160,17 @@ function wp_get_theme_error( $theme ) {
*
* @since 5.2.0
*
* @global string $wp_stylesheet_path Path to current theme's stylesheet directory.
* @global string $wp_template_path Path to current theme's template directory.
*
* @param string $theme Single theme to resume.
* @param string $redirect Optional. URL to redirect to. Default empty string.
* @return bool|WP_Error True on success, false if `$theme` was not paused,
* `WP_Error` on failure.
*/
function resume_theme( $theme, $redirect = '' ) {
global $wp_stylesheet_path, $wp_template_path;
list( $extension ) = explode( '/', $theme );
/*
@ -1173,14 +1178,11 @@ function resume_theme( $theme, $redirect = '' ) {
* creating a fatal error.
*/
if ( ! empty( $redirect ) ) {
$stylesheet_path = get_stylesheet_directory();
$template_path = get_template_directory();
$functions_path = '';
if ( str_contains( $stylesheet_path, $extension ) ) {
$functions_path = $stylesheet_path . '/functions.php';
} elseif ( str_contains( $template_path, $extension ) ) {
$functions_path = $template_path . '/functions.php';
if ( str_contains( $wp_stylesheet_path, $extension ) ) {
$functions_path = $wp_stylesheet_path . '/functions.php';
} elseif ( str_contains( $wp_template_path, $extension ) ) {
$functions_path = $wp_template_path . '/functions.php';
}
if ( ! empty( $functions_path ) ) {

13
wp-includes/comment-template.php
View File

@ -1399,13 +1399,15 @@ function wp_comment_form_unfiltered_html_nonce() {
* @global string $user_identity
* @global bool $overridden_cpage
* @global bool $withcomments
* @global string $wp_stylesheet_path Path to current theme's stylesheet directory.
* @global string $wp_template_path Path to current theme's template directory.
*
* @param string $file Optional. The file to load. Default '/comments.php'.
* @param bool $separate_comments Optional. Whether to separate the comments by comment type.
* Default false.
*/
function comments_template( $file = '/comments.php', $separate_comments = false ) {
global $wp_query, $withcomments, $post, $wpdb, $id, $comment, $user_login, $user_identity, $overridden_cpage;
global $wp_query, $withcomments, $post, $wpdb, $id, $comment, $user_login, $user_identity, $overridden_cpage, $wp_stylesheet_path, $wp_template_path;
if ( ! ( is_single() || is_page() || $withcomments ) || empty( $post ) ) {
return;
@ -1600,10 +1602,7 @@ function comments_template( $file = '/comments.php', $separate_comments = false
define( 'COMMENTS_TEMPLATE', true );
}
$stylesheet_path = get_stylesheet_directory();
$template_path = get_template_directory();
$theme_template = $stylesheet_path . $file;
$theme_template = trailingslashit( $wp_stylesheet_path ) . $file;
/**
* Filters the path to the theme template file used for the comments template.
@ -1616,8 +1615,8 @@ function comments_template( $file = '/comments.php', $separate_comments = false
if ( file_exists( $include ) ) {
require $include;
} elseif ( file_exists( $template_path . $file ) ) {
require $template_path . $file;
} elseif ( file_exists( trailingslashit( $wp_template_path ) . $file ) ) {
require trailingslashit( $wp_template_path ) . $file;
} else { // Backward compat code will be removed in a future release.
require ABSPATH . WPINC . '/theme-compat/comments.php';
}

13
wp-includes/load.php
View File

@ -1047,11 +1047,13 @@ function wp_skip_paused_plugins( array $plugins ) {
* @access private
*
* @global string $pagenow The filename of the current screen.
* @global string $wp_stylesheet_path Path to current theme's stylesheet directory.
* @global string $wp_template_path Path to current theme's template directory.
*
* @return string[] Array of absolute paths to theme directories.
*/
function wp_get_active_and_valid_themes() {
global $pagenow;
global $pagenow, $wp_stylesheet_path, $wp_template_path;
$themes = array();
@ -1059,14 +1061,11 @@ function wp_get_active_and_valid_themes() {
return $themes;
}
$stylesheet_path = get_stylesheet_directory();
$template_path = get_template_directory();
if ( $template_path !== $stylesheet_path ) {
$themes[] = $stylesheet_path;
if ( is_child_theme() ) {
$themes[] = $wp_stylesheet_path;
}
$themes[] = $template_path;
$themes[] = $wp_template_path;
/*
* Remove themes from the list of active themes when we're on an endpoint

36
wp-includes/template.php
View File

@ -679,6 +679,21 @@ function get_attachment_template() {
return get_query_template( 'attachment', $templates );
}
/**
* Set up the globals used for template loading.
*
* @since 6.5.0
*
* @global string $wp_stylesheet_path Path to current theme's stylesheet directory.
* @global string $wp_template_path Path to current theme's template directory.
*/
function wp_set_template_globals() {
global $wp_stylesheet_path, $wp_template_path;
$wp_stylesheet_path = get_stylesheet_directory();
$wp_template_path = get_template_directory();
}
/**
* Retrieves the name of the highest priority template file that exists.
*
@ -689,6 +704,9 @@ function get_attachment_template() {
* @since 2.7.0
* @since 5.5.0 The `$args` parameter was added.
*
* @global string $wp_stylesheet_path Path to current theme's stylesheet directory.
* @global string $wp_template_path Path to current theme's template directory.
*
* @param string|array $template_names Template file(s) to search for, in order.
* @param bool $load If true the template file will be loaded if it is found.
* @param bool $load_once Whether to require_once or require. Has no effect if `$load` is false.
@ -698,20 +716,24 @@ function get_attachment_template() {
* @return string The template filename if one is located.
*/
function locate_template( $template_names, $load = false, $load_once = true, $args = array() ) {
$stylesheet_path = get_stylesheet_directory();
$template_path = get_template_directory();
$is_child_theme = $stylesheet_path !== $template_path;
global $wp_stylesheet_path, $wp_template_path;
if ( ! isset( $wp_stylesheet_path ) || ! isset( $wp_template_path ) ) {
wp_set_template_globals();
}
$is_child_theme = is_child_theme();
$located = '';
foreach ( (array) $template_names as $template_name ) {
if ( ! $template_name ) {
continue;
}
if ( file_exists( $stylesheet_path . '/' . $template_name ) ) {
$located = $stylesheet_path . '/' . $template_name;
if ( file_exists( $wp_stylesheet_path . '/' . $template_name ) ) {
$located = $wp_stylesheet_path . '/' . $template_name;
break;
} elseif ( $is_child_theme && file_exists( $template_path . '/' . $template_name ) ) {
$located = $template_path . '/' . $template_name;
} elseif ( $is_child_theme && file_exists( $wp_template_path . '/' . $template_name ) ) {
$located = $wp_template_path . '/' . $template_name;
break;
} elseif ( file_exists( ABSPATH . WPINC . '/theme-compat/' . $template_name ) ) {
$located = ABSPATH . WPINC . '/theme-compat/' . $template_name;

16
wp-includes/theme.php
View File

@ -153,11 +153,17 @@ function wp_clean_themes_cache( $clear_update_cache = true ) {
* Whether a child theme is in use.
*
* @since 3.0.0
* @since 6.5.0 Makes use of global template variables.
*
* @global string $wp_stylesheet_path Path to current theme's stylesheet directory.
* @global string $wp_template_path Path to current theme's template directory.
*
* @return bool True if a child theme is in use, false otherwise.
*/
function is_child_theme() {
return get_template_directory() !== get_stylesheet_directory();
global $wp_stylesheet_path, $wp_template_path;
return $wp_stylesheet_path !== $wp_template_path;
}
/**
@ -836,6 +842,14 @@ function switch_theme( $stylesheet ) {
update_option( 'theme_switched', $old_theme->get_stylesheet() );
/*
* Reset template globals when switching themes outside of a switched blog
* context to ensure templates will be loaded from the new theme.
*/
if ( ! is_multisite() || ! ms_is_switched() ) {
wp_set_template_globals();
}
// Clear pattern caches.
if ( ! is_multisite() ) {
$new_theme->delete_pattern_cache();

2
wp-includes/version.php
View File

@ -16,7 +16,7 @@
*
* @global string $wp_version
*/
$wp_version = '6.5-beta2-57684';
$wp_version = '6.5-beta2-57685';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.

3
wp-settings.php
View File

@ -608,8 +608,9 @@ $GLOBALS['wp_roles'] = new WP_Roles();
*/
do_action( 'setup_theme' );
// Define the template related constants.
// Define the template related constants and globals.
wp_templating_constants();
wp_set_template_globals();
// Load the default text localization domain.
load_default_textdomain();