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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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6
src/wp-admin/admin-header.php
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@@ -8,7 +8,7 @@
header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) );
if ( ! defined( 'WP_ADMIN' ) ) {
require_once( dirname( __FILE__ ) . '/admin.php' );
require_once __DIR__ . '/admin.php';
}
/**
@@ -233,7 +233,7 @@ if ( current_user_can( 'customize' ) ) {
?>
<div id="wpwrap">
<?php require( ABSPATH . 'wp-admin/menu-header.php' ); ?>
<?php require ABSPATH . 'wp-admin/menu-header.php'; ?>
<div id="wpcontent">
<?php
@@ -289,5 +289,5 @@ if ( is_network_admin() ) {
do_action( 'all_admin_notices' );
if ( $parent_file == 'options-general.php' ) {
require( ABSPATH . 'wp-admin/options-head.php' );
require ABSPATH . 'wp-admin/options-head.php';
}