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Code Modernization: Replace dirname( __FILE__ ) calls with __DIR__ magic constant.

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This avoids the performance overhead of the function call every time `dirname( __FILE__ )` was used instead of `__DIR__`.

This commit also includes:

* Removing unnecessary parentheses from `include`/`require` statements. These are language constructs, not function calls.
* Replacing `include` statements for several files with `require_once`, for consistency:
 * `wp-admin/admin-header.php`
 * `wp-admin/admin-footer.php`
 * `wp-includes/version.php`

Props ayeshrajans, desrosj, valentinbora, jrf, joostdevalk, netweb.
Fixes #48082.

git-svn-id: https://develop.svn.wordpress.org/trunk@47198 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Sergey Biryukov
2020-02-06 06:31:22 +00:00
parent b02e49c2e8
commit e72fff9cef
304 changed files with 1068 additions and 1063 deletions
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20
src/wp-includes/load.php
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@@ -139,7 +139,7 @@ function wp_check_php_mysql_versions() {
}
if ( ! extension_loaded( 'mysql' ) && ! extension_loaded( 'mysqli' ) && ! extension_loaded( 'mysqlnd' ) && ! file_exists( WP_CONTENT_DIR . '/db.php' ) ) {
require_once( ABSPATH . WPINC . '/functions.php' );
require_once ABSPATH . WPINC . '/functions.php';
wp_load_translations_early();
$args = array(
'exit' => false,
@@ -192,7 +192,7 @@ function wp_maintenance() {
global $upgrading;
include( ABSPATH . '.maintenance' );
require ABSPATH . '.maintenance';
// If the $upgrading timestamp is older than 10 minutes, don't die.
if ( ( time() - $upgrading ) >= 600 ) {
return;
@@ -216,11 +216,11 @@ function wp_maintenance() {
}
if ( file_exists( WP_CONTENT_DIR . '/maintenance.php' ) ) {
require_once( WP_CONTENT_DIR . '/maintenance.php' );
require_once WP_CONTENT_DIR . '/maintenance.php';
die();
}
require_once( ABSPATH . WPINC . '/functions.php' );
require_once ABSPATH . WPINC . '/functions.php';
wp_load_translations_early();
header( 'Retry-After: 600' );
@@ -409,9 +409,9 @@ function wp_set_lang_dir() {
function require_wp_db() {
global $wpdb;
require_once( ABSPATH . WPINC . '/wp-db.php' );
require_once ABSPATH . WPINC . '/wp-db.php';
if ( file_exists( WP_CONTENT_DIR . '/db.php' ) ) {
require_once( WP_CONTENT_DIR . '/db.php' );
require_once WP_CONTENT_DIR . '/db.php';
}
if ( isset( $wpdb ) ) {
@@ -544,7 +544,7 @@ function wp_start_object_cache() {
* that an external object cache is being used.
*/
if ( file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) {
require_once( WP_CONTENT_DIR . '/object-cache.php' );
require_once WP_CONTENT_DIR . '/object-cache.php';
if ( function_exists( 'wp_cache_init' ) ) {
wp_using_ext_object_cache( true );
}
@@ -566,7 +566,7 @@ function wp_start_object_cache() {
}
if ( ! wp_using_ext_object_cache() ) {
require_once( ABSPATH . WPINC . '/cache.php' );
require_once ABSPATH . WPINC . '/cache.php';
}
/*
@@ -606,8 +606,8 @@ function wp_not_installed() {
} elseif ( ! is_blog_installed() && ! wp_installing() ) {
nocache_headers();
require( ABSPATH . WPINC . '/kses.php' );
require( ABSPATH . WPINC . '/pluggable.php' );
require ABSPATH . WPINC . '/kses.php';
require ABSPATH . WPINC . '/pluggable.php';
$link = wp_guess_url() . '/wp-admin/install.php';