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<?php

class WP_Ajax_Upgrader_Skin extends Automatic_Upgrader_Skin
{
    protected $errors = null;
    public function __construct($args = array())
    {
        parent::__construct($args);
        $this->errors = new WP_Error();
    }
    public function get_errors()
    {
        return $this->errors;
    }
    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(', ', $messages);
    }
    public function error($errors, ...$args)
    {
        if (is_string($errors)) {
            $string = $errors;
            if (!empty($this->upgrader->strings[$string])) {
                $string = $this->upgrader->strings[$string];
            }
            if (false !== strpos($string, '%')) {
                if (!empty($args)) {
                    $string = vsprintf($string, $args);
                }
            }
            $errors_count = count($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);
    }
    public function feedback($data, ...$args)
    {
        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));
            }
        }
        parent::feedback($data, ...$args);
    }
}