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<?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 {
/**
* Holds the WP_Error object.
*
* @since 4.6.0
* @var null|WP_Error
*/
protected $errors = null;
/**
* Constructor.
*
* @since 4.6.0
*
* @param array $args Options for the upgrader, see WP_Upgrader_Skin::__construct().
*/
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 a log entry for an error.
*
* @since 4.6.0
*
* @param string|WP_Error $errors Errors.
*/
public function error( $errors ) {
if ( is_string( $errors ) ) {
$string = $errors;
if ( ! empty( $this->upgrader->strings[ $string ] ) ) {
$string = $this->upgrader->strings[ $string ];
}
if ( false !== strpos( $string, '%' ) ) {
$args = func_get_args();
$args = array_splice( $args, 1 );
if ( ! empty( $args ) ) {
$string = vsprintf( $string, $args );
}
}
// Count existing errors to generate an 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 ) );
}
}
$args = func_get_args();
call_user_func_array( array( $this, 'parent::error' ), $args );
}
/**
* Stores a log entry.
*
* @since 4.6.0
*
* @param string|array|WP_Error $data Log entry data.
*/
public function feedback( $data ) {
if ( is_wp_error( $data ) ) {
foreach ( $data->get_error_codes() as $error_code ) {
$this->errors->add( $error_code, $data->get_error_message( $error_code ), $data->get_error_data( $error_code ) );
}
}
$args = func_get_args();
call_user_func_array( array( $this, 'parent::feedback' ), $args );
}
}
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