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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.
Built from https://develop.svn.wordpress.org/trunk@47198


git-svn-id: http://core.svn.wordpress.org/trunk@46998 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Sergey Biryukov
2020-02-06 06:33:11 +00:00
parent ecb8633dcc
commit 47ed56f38f
220 changed files with 901 additions and 901 deletions
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2
wp-includes/widgets/class-wp-widget-text.php
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@@ -420,7 +420,7 @@ class WP_Widget_Text extends WP_Widget {
* @since 4.9.3
*/
public function enqueue_preview_scripts() {
require_once dirname( dirname( __FILE__ ) ) . '/media.php';
require_once dirname( __DIR__ ) . '/media.php';
wp_playlist_scripts( 'audio' );
wp_playlist_scripts( 'video' );