for testing and deploying your application
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<?php
/**
* This file is part of byrokrat\autogiro.
*
* byrokrat\autogiro is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* byrokrat\autogiro is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with byrokrat\autogiro. If not, see <http://www.gnu.org/licenses/>.
* Copyright 2016-18 Hannes Forsgård
*/
declare(strict_types = 1);
namespace byrokrat\autogiro\Xml;
* Helper class to cast values to string
class Stringifier
{
* Arrays cast value
const ARRAY_VALUE = 'ARRAY_VALUE';
* Object cast value
const OBJECT_VALUE = 'OBJECT_VALUE';
* Cast value to string
public function stringify($value): string
if ($value instanceof \DateTimeInterface) {
return $value->format('Y-m-d');
}
if (is_array($value)) {
return self::ARRAY_VALUE;
if (is_object($value) && !method_exists($value, '__tostring')) {
return self::OBJECT_VALUE;
return (string)$value;