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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-post.php
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@@ -14,15 +14,15 @@ if ( ! defined( 'WP_ADMIN' ) ) {
}
if ( defined( 'ABSPATH' ) ) {
require_once( ABSPATH . 'wp-load.php' );
require_once ABSPATH . 'wp-load.php';
} else {
require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
require_once dirname( __DIR__ ) . '/wp-load.php';
}
/** Allow for cross-domain requests (from the front end). */
send_origin_headers();
require_once( ABSPATH . 'wp-admin/includes/admin.php' );
require_once ABSPATH . 'wp-admin/includes/admin.php';
nocache_headers();