Admin

name	type	size	perms	modified	actions
[parent directory]
admin-filters.php	file	8,034 B	0644	2026-04-06 08:58:23	edit
admin.php	file	3,628 B	0644	2026-04-06 08:58:23	edit
ajax-actions.php	file	151,629 B	0644	2026-04-06 08:58:23	edit
bookmark.php	file	11,725 B	0644	2026-04-06 08:58:23	edit
class-automatic-upgrader-skin.php	file	3,663 B	0644	2026-04-06 08:58:23	edit
class-bulk-plugin-upgrader-skin.php	file	2,590 B	0644	2026-04-06 08:58:23	edit
class-bulk-theme-upgrader-skin.php	file	2,660 B	0644	2026-04-06 08:58:23	edit
class-bulk-upgrader-skin.php	file	6,753 B	0644	2026-04-06 08:58:23	edit
class-core-upgrader.php	file	15,191 B	0644	2026-04-06 08:58:23	edit
class-custom-background.php	file	21,650 B	0644	2026-04-06 08:58:23	edit
class-custom-image-header.php	file	49,296 B	0644	2026-04-06 08:58:23	edit
class-file-upload-upgrader.php	file	4,163 B	0644	2026-04-06 08:58:23	edit
class-ftp-pure.php	file	5,426 B	0644	2026-04-06 08:58:23	edit
class-ftp-sockets.php	file	8,479 B	0644	2026-04-06 08:58:23	edit
class-ftp.php	file	27,370 B	0644	2026-04-06 08:58:23	edit
class-language-pack-upgrader-skin.php	file	2,870 B	0644	2026-04-06 08:58:23	edit
class-language-pack-upgrader.php	file	15,561 B	0644	2026-04-06 08:58:23	edit
class-pclzip.php	file	196,695 B	0644	2026-04-06 08:58:23	edit
class-plugin-installer-skin.php	file	12,053 B	0644	2026-04-06 08:58:23	edit
class-plugin-upgrader-skin.php	file	3,278 B	0644	2026-04-06 08:58:23	edit
class-plugin-upgrader.php	file	23,243 B	0644	2026-04-06 08:58:23	edit
class-theme-installer-skin.php	file	12,743 B	0644	2026-04-06 08:58:23	edit
class-theme-upgrader-skin.php	file	4,176 B	0644	2026-04-06 08:58:23	edit
class-theme-upgrader.php	file	26,702 B	0644	2026-04-06 08:58:23	edit
class-walker-category-checklist.php	file	5,091 B	0644	2026-04-06 08:58:23	edit
class-walker-nav-menu-checklist.php	file	5,628 B	0644	2026-04-06 08:58:23	edit
class-walker-nav-menu-edit.php	file	14,180 B	0644	2026-04-06 08:58:23	edit
class-wp-ajax-upgrader-skin.php	file	4,193 B	0644	2026-04-06 08:58:23	edit
class-wp-application-passwords-list-table.php	file	6,949 B	0644	2026-04-06 08:58:23	edit
class-wp-automatic-updater.php	file	61,902 B	0644	2026-04-06 08:58:23	edit
class-wp-comments-list-table.php	file	33,056 B	0644	2026-04-06 08:58:23	edit
class-wp-community-events.php	file	18,769 B	0644	2026-04-06 08:58:23	edit
class-wp-debug-data.php	file	66,619 B	0644	2026-04-06 08:58:23	edit
class-wp-filesystem-base.php	file	24,410 B	0644	2026-04-06 08:58:23	edit
class-wp-filesystem-direct.php	file	18,143 B	0644	2026-04-06 08:58:23	edit
class-wp-filesystem-ftpext.php	file	23,101 B	0644	2026-04-06 08:58:23	edit
class-wp-filesystem-ftpsockets.php	file	18,479 B	0644	2026-04-06 08:58:23	edit
class-wp-filesystem-ssh2.php	file	23,310 B	0644	2026-04-06 08:58:23	edit
class-wp-importer.php	file	7,499 B	0644	2026-04-06 08:58:23	edit
class-wp-internal-pointers.php	file	4,577 B	0644	2026-04-06 08:58:23	edit
class-wp-links-list-table.php	file	9,241 B	0644	2026-04-06 08:58:23	edit
class-wp-list-table-compat.php	file	1,497 B	0644	2026-04-06 08:58:23	edit
class-wp-list-table.php	file	52,906 B	0644	2026-04-06 08:58:23	edit
class-wp-media-list-table.php	file	25,899 B	0644	2026-04-06 08:58:23	edit
class-wp-ms-sites-list-table.php	file	22,019 B	0644	2026-04-06 08:58:23	edit
class-wp-ms-themes-list-table.php	file	28,438 B	0644	2026-04-06 08:58:23	edit
class-wp-ms-users-list-table.php	file	15,719 B	0644	2026-04-06 08:58:23	edit
class-wp-plugin-install-list-table.php	file	24,786 B	0644	2026-04-06 08:58:23	edit
class-wp-plugins-list-table.php	file	57,786 B	0644	2026-04-06 08:58:23	edit
class-wp-post-comments-list-table.php	file	1,453 B	0644	2026-04-06 08:58:23	edit
class-wp-posts-list-table.php	file	64,216 B	0644	2026-04-06 08:58:23	edit
class-wp-privacy-data-export-requests-list-table.php	file	5,563 B	0644	2026-04-06 08:58:23	edit
class-wp-privacy-data-removal-requests-list-table.php	file	5,715 B	0644	2026-04-06 08:58:23	edit
class-wp-privacy-policy-content.php	file	32,626 B	0644	2026-04-06 08:58:23	edit
class-wp-privacy-requests-table.php	file	14,395 B	0644	2026-04-06 08:58:23	edit
class-wp-screen.php	file	37,327 B	0644	2026-04-06 08:58:23	edit
class-wp-site-health-auto-updates.php	file	14,337 B	0644	2026-04-06 08:58:23	edit
class-wp-site-health.php	file	122,362 B	0644	2026-04-06 08:58:23	edit
class-wp-site-icon.php	file	6,414 B	0644	2026-04-06 08:58:23	edit
class-wp-terms-list-table.php	file	21,182 B	0644	2026-04-06 08:58:23	edit
class-wp-theme-install-list-table.php	file	15,599 B	0644	2026-04-06 08:58:23	edit
class-wp-themes-list-table.php	file	10,349 B	0644	2026-04-06 08:58:23	edit
class-wp-upgrader-skin.php	file	7,110 B	0644	2026-04-06 08:58:23	edit
class-wp-upgrader-skins.php	file	1,477 B	0644	2026-04-06 08:58:23	edit
class-wp-upgrader.php	file	47,719 B	0644	2026-04-06 08:58:23	edit
class-wp-users-list-table.php	file	19,058 B	0644	2026-04-06 08:58:23	edit
comment.php	file	6,121 B	0644	2026-04-06 08:58:23	edit
continents-cities.php	file	20,540 B	0644	2026-04-06 08:58:23	edit
credits.php	file	5,870 B	0644	2026-04-06 08:58:23	edit
dashboard.php	file	69,710 B	0644	2026-04-06 08:58:23	edit
deprecated.php	file	41,776 B	0644	2026-04-06 08:58:23	edit
edit-tag-messages.php	file	1,478 B	0644	2026-04-06 08:58:23	edit
export.php	file	25,565 B	0644	2026-04-06 08:58:23	edit
file.php	file	98,169 B	0644	2026-04-06 08:58:23	edit
image-edit.php	file	43,883 B	0644	2026-04-06 08:58:23	edit
image.php	file	42,664 B	0644	2026-04-06 08:58:23	edit
import.php	file	6,617 B	0644	2026-04-06 08:58:23	edit
list-table.php	file	3,802 B	0644	2026-04-06 08:58:23	edit
media.php	file	119,109 B	0644	2026-04-06 08:58:23	edit
menu.php	file	9,618 B	0644	2026-04-06 08:58:23	edit
meta-boxes.php	file	66,076 B	0644	2026-04-06 08:58:23	edit
misc.php	file	45,783 B	0644	2026-04-06 08:58:23	edit
ms-admin-filters.php	file	1,296 B	0644	2026-04-06 08:58:23	edit
ms-deprecated.php	file	3,770 B	0644	2026-04-06 08:58:23	edit
ms.php	file	34,318 B	0644	2026-04-06 08:58:23	edit
nav-menu.php	file	49,041 B	0644	2026-04-06 08:58:23	edit
network.php	file	26,996 B	0644	2026-04-06 08:58:23	edit
noop.php	file	1,148 B	0644	2026-04-06 08:58:23	edit
options.php	file	4,251 B	0644	2026-04-06 08:58:23	edit
plugin-install.php	file	39,474 B	0644	2026-04-06 08:58:23	edit
plugin.php	file	92,925 B	0644	2026-04-06 08:58:23	edit
post.php	file	82,203 B	0644	2026-04-06 08:58:23	edit
privacy-tools.php	file	33,462 B	0644	2026-04-06 08:58:23	edit
revision.php	file	16,508 B	0644	2026-04-06 08:58:23	edit
schema.php	file	42,866 B	0644	2026-04-06 08:58:23	edit
screen.php	file	6,378 B	0644	2026-04-06 08:58:23	edit
taxonomy.php	file	8,424 B	0644	2026-04-06 08:58:23	edit
template.php	file	98,529 B	0644	2026-04-06 08:58:23	edit
theme-install.php	file	6,990 B	0644	2026-04-06 08:58:23	edit
theme.php	file	47,742 B	0644	2026-04-06 08:58:23	edit
translation-install.php	file	11,075 B	0644	2026-04-06 08:58:23	edit
update-core.php	file	70,146 B	0644	2026-04-06 08:58:23	edit
update.php	file	34,437 B	0644	2026-04-06 08:58:23	edit
upgrade.php	file	113,750 B	0644	2026-04-06 08:58:23	edit
user.php	file	23,532 B	0644	2026-04-06 08:58:23	edit
widgets.php	file	10,912 B	0644	2026-04-06 08:58:23	edit

editing: class-wp-ajax-upgrader-skin.php

<?php
/**
 * Upgrader API: WP_Ajax_Upgrader_Skin class
 *
 * @package WordPress
 * @subpackage Upgrader
 * @since 4.6.0
 */

/**
 * Upgrader Skin for Ajax WordPress upgrades.
 *
 * This skin is designed to be used for Ajax updates.
 *
 * @since 4.6.0
 *
 * @see Automatic_Upgrader_Skin
 */
class WP_Ajax_Upgrader_Skin extends Automatic_Upgrader_Skin {

/**
	 * Plugin info.
	 *
	 * The Plugin_Upgrader::bulk_upgrade() method will fill this in
	 * with info retrieved from the get_plugin_data() function.
	 *
	 * @var array Plugin data. Values will be empty if not supplied by the plugin.
	 */
	public $plugin_info = array();

/**
	 * Theme info.
	 *
	 * The Theme_Upgrader::bulk_upgrade() method will fill this in
	 * with info retrieved from the Theme_Upgrader::theme_info() method,
	 * which in turn calls the wp_get_theme() function.
	 *
	 * @var WP_Theme|false The theme's info object, or false.
	 */
	public $theme_info = false;

/**
	 * Holds the WP_Error object.
	 *
	 * @since 4.6.0
	 *
	 * @var null|WP_Error
	 */
	protected $errors = null;

/**
	 * Constructor.
	 *
	 * Sets up the WordPress Ajax upgrader skin.
	 *
	 * @since 4.6.0
	 *
	 * @see WP_Upgrader_Skin::__construct()
	 *
	 * @param array $args Optional. The WordPress Ajax upgrader skin arguments to
	 *                    override default options. See WP_Upgrader_Skin::__construct().
	 *                    Default empty array.
	 */
	public function __construct( $args = array() ) {
		parent::__construct( $args );

$this->errors = new WP_Error();
	}

/**
	 * Retrieves the list of errors.
	 *
	 * @since 4.6.0
	 *
	 * @return WP_Error Errors during an upgrade.
	 */
	public function get_errors() {
		return $this->errors;
	}

/**
	 * Retrieves a string for error messages.
	 *
	 * @since 4.6.0
	 *
	 * @return string Error messages during an upgrade.
	 */
	public function get_error_messages() {
		$messages = array();

foreach ( $this->errors->get_error_codes() as $error_code ) {
			$error_data = $this->errors->get_error_data( $error_code );

if ( $error_data && is_string( $error_data ) ) {
				$messages[] = $this->errors->get_error_message( $error_code ) . ' ' . esc_html( strip_tags( $error_data ) );
			} else {
				$messages[] = $this->errors->get_error_message( $error_code );
			}
		}

return implode( ', ', $messages );
	}

/**
	 * Stores an error message about the upgrade.
	 *
	 * @since 4.6.0
	 * @since 5.3.0 Formalized the existing `...$args` parameter by adding it
	 *              to the function signature.
	 *
	 * @param string|WP_Error $errors  Errors.
	 * @param mixed           ...$args Optional text replacements.
	 */
	public function error( $errors, ...$args ) {
		if ( is_string( $errors ) ) {
			$string = $errors;
			if ( ! empty( $this->upgrader->strings[ $string ] ) ) {
				$string = $this->upgrader->strings[ $string ];
			}

if ( str_contains( $string, '%' ) ) {
				if ( ! empty( $args ) ) {
					$string = vsprintf( $string, $args );
				}
			}

// Count existing errors to generate a unique error code.
			$errors_count = count( $this->errors->get_error_codes() );
			$this->errors->add( 'unknown_upgrade_error_' . ( $errors_count + 1 ), $string );
		} elseif ( is_wp_error( $errors ) ) {
			foreach ( $errors->get_error_codes() as $error_code ) {
				$this->errors->add( $error_code, $errors->get_error_message( $error_code ), $errors->get_error_data( $error_code ) );
			}
		}

parent::error( $errors, ...$args );
	}

/**
	 * Stores a message about the upgrade.
	 *
	 * @since 4.6.0
	 * @since 5.3.0 Formalized the existing `...$args` parameter by adding it
	 *              to the function signature.
	 * @since 5.9.0 Renamed `$data` to `$feedback` for PHP 8 named parameter support.
	 *
	 * @param string|array|WP_Error $feedback Message data.
	 * @param mixed                 ...$args  Optional text replacements.
	 */
	public function feedback( $feedback, ...$args ) {
		if ( is_wp_error( $feedback ) ) {
			foreach ( $feedback->get_error_codes() as $error_code ) {
				$this->errors->add( $error_code, $feedback->get_error_message( $error_code ), $feedback->get_error_data( $error_code ) );
			}
		}

parent::feedback( $feedback, ...$args );
	}
}

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