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<?php

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/**

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* Upgrader API: WP_Ajax_Upgrader_Skin class

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* @package WordPress

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* @subpackage Upgrader

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* @since 4.6.0

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/**

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* Upgrader Skin for Ajax WordPress upgrades.

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* This skin is designed to be used for Ajax updates.

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* @since 4.6.0

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* @see Automatic_Upgrader_Skin

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class WP_Ajax_Upgrader_Skin extends Automatic_Upgrader_Skin {

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/**

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* Plugin info.

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* The Plugin_Upgrader::bulk_upgrade() method will fill this in

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* with info retrieved from the get_plugin_data() function.

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* @var array Plugin data. Values will be empty if not supplied by the plugin.

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public $plugin_info = array();

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/**

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* Theme info.

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* The Theme_Upgrader::bulk_upgrade() method will fill this in

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* with info retrieved from the Theme_Upgrader::theme_info() method,

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* which in turn calls the wp_get_theme() function.

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* @var WP_Theme|false The theme's info object, or false.

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public $theme_info = false;

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/**

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* Holds the WP_Error object.

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* @since 4.6.0

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* @var null|WP_Error

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protected $errors = null;

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/**

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* Constructor.

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* Sets up the WordPress Ajax upgrader skin.

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* @since 4.6.0

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* @see WP_Upgrader_Skin::__construct()

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* @param array $args Optional. The WordPress Ajax upgrader skin arguments to

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* override default options. See WP_Upgrader_Skin::__construct().

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* Default empty array.

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public function __construct( $args = array() ) {

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parent::__construct( $args );

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$this->errors = new WP_Error();

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}

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/**

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* Retrieves the list of errors.

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* @since 4.6.0

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* @return WP_Error Errors during an upgrade.

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public function get_errors() {

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return $this->errors;

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}

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/**

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* Retrieves a string for error messages.

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* @since 4.6.0

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* @return string Error messages during an upgrade.

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public function get_error_messages() {

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$messages = array();

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foreach ( $this->errors->get_error_codes() as $error_code ) {

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$error_data = $this->errors->get_error_data( $error_code );

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if ( $error_data && is_string( $error_data ) ) {

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$messages[] = $this->errors->get_error_message( $error_code ) . ' ' . esc_html( strip_tags( $error_data ) );

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} else {

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$messages[] = $this->errors->get_error_message( $error_code );

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}

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}

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return implode( ', ', $messages );

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}

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/**

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* Stores an error message about the upgrade.

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* @since 4.6.0

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* @since 5.3.0 Formalized the existing `...$args` parameter by adding it

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* to the function signature.

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* @param string|WP_Error $errors Errors.

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* @param mixed ...$args Optional text replacements.

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public function error( $errors, ...$args ) {

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if ( is_string( $errors ) ) {

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$string = $errors;

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if ( ! empty( $this->upgrader->strings[ $string ] ) ) {

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$string = $this->upgrader->strings[ $string ];

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}

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if ( str_contains( $string, '%' ) ) {

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if ( ! empty( $args ) ) {

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$string = vsprintf( $string, $args );

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}

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}

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// Count existing errors to generate a unique error code.

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$errors_count = count( $this->errors->get_error_codes() );

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$this->errors->add( 'unknown_upgrade_error_' . ( $errors_count + 1 ), $string );

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} elseif ( is_wp_error( $errors ) ) {

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foreach ( $errors->get_error_codes() as $error_code ) {

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$this->errors->add( $error_code, $errors->get_error_message( $error_code ), $errors->get_error_data( $error_code ) );

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}

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}

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

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}

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/**

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* Stores a message about the upgrade.

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* @since 4.6.0

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* @since 5.3.0 Formalized the existing `...$args` parameter by adding it

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* to the function signature.

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* @since 5.9.0 Renamed `$data` to `$feedback` for PHP 8 named parameter support.

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* @param string|array|WP_Error $feedback Message data.

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* @param mixed ...$args Optional text replacements.

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public function feedback( $feedback, ...$args ) {

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if ( is_wp_error( $feedback ) ) {

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foreach ( $feedback->get_error_codes() as $error_code ) {

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$this->errors->add( $error_code, $feedback->get_error_message( $error_code ), $feedback->get_error_data( $error_code ) );

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}

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}

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

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}

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}

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