upgrader_skin.php
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<?php
/**
* Skin class.
*
* @since 1.0.0
*
* @package Envira_Gallery
* @author Envira Team
*/
class EMR_Envira_Gallery_Skin extends WP_Upgrader_Skin {
/**
* Primary class constructor.
*
* @since 1.0.0
*
* @param array $args Empty array of args (we will use defaults).
*/
public function __construct( $args = array() ) {
parent::__construct();
}
/**
* Set the upgrader object and store it as a property in the parent class.
*
* @since 1.0.0
*
* @param object $upgrader The upgrader object (passed by reference).
*/
public function set_upgrader( &$upgrader ) {
if ( is_object( $upgrader ) ) {
$this->upgrader =& $upgrader;
}
}
/**
* Set the upgrader result and store it as a property in the parent class.
*
* @since 1.0.0
*
* @param object $result The result of the install process.
*/
public function set_result( $result ) {
$this->result = $result;
}
/**
* Empty out the header of its HTML content and only check to see if it has
* been performed or not.
*
* @since 1.0.0
*/
public function header() {}
/**
* Empty out the footer of its HTML contents.
*
* @since 1.0.0
*/
public function footer() {}
/**
* Instead of outputting HTML for errors, json_encode the errors and send them
* back to the Ajax script for processing.
*
* @since 1.0.0
*
* @param array $errors Array of errors with the install process.
*/
public function error( $errors ) {
if ( ! empty( $errors ) ) {
echo wp_json_encode( array( 'error' => __( 'There was an error installing the addon. Please try again.', 'envira-gallery' ) ) );
/* log this for API issues */
error_log( print_r( $errors, true ) );
die;
}
}
/**
* Empty out the feedback method to prevent outputting HTML strings as the install
* is progressing.
*
* @since 1.0.0
*
* @param string $string The feedback string.
* @param array ...$args The args.
*/
public function feedback( $string, ...$args ) {}
}