core/Plugin/PluginException.php

<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link    https://matomo.org
 * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */

namespace Piwik\Plugin;

use Piwik\Common;

class PluginException extends \Exception
{
    public function __construct($pluginName, $message)
    {
        $pluginName = Common::sanitizeInputValue($pluginName);
        $message = Common::sanitizeInputValue($message);

        parent::__construct("There was a problem installing the plugin $pluginName: <br /><br />
                $message
                <br /><br />
                If you want to hide this message you must remove the following line under the [Plugins] entry in your
                'config/config.ini.php' file to disable this plugin.<br />
                Plugins[] = $pluginName
                <br /><br />If this plugin has already been installed, you must add the following line under the
                [PluginsInstalled] entry in your 'config/config.ini.php' file:<br />
                PluginsInstalled[] = $pluginName");
    }

    public function isHtmlMessage()
    {
        return true;
    }
}