core/Validators/DateTime.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\Validators;

use Piwik\Date;
use Piwik\Piwik;

class DateTime extends BaseValidator
{
    public function validate($value)
    {
        if ($this->isValueBare($value)) {
            return;
        }

        if (!preg_match('/^(\d{4})-(\d{2})-(\d{2})[ T](\d{2}):(\d{2}):(\d{2})Z?$/', $value)) {
            throw new Exception(Piwik::translate('General_ValidatorErrorInvalidDateTimeFormat', array($value, 'YYYY-MM-DD HH:MM:SS')));
        }

        try {
            Date::factory($value);
        } catch (\Exception $e) {
            throw new Exception($e->getMessage(), $e->getCode(), $e);
        }
    }
}