TYPO3 CMS  TYPO3_8-7
ArrayValueByKeyViewHelper.php
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1 <?php
3 
4 /*
5  * This file is part of the TYPO3 CMS project.
6  *
7  * It is free software; you can redistribute it and/or modify it under
8  * the terms of the GNU General Public License, either version 2
9  * of the License, or any later version.
10  *
11  * For the full copyright and license information, please read the
12  * LICENSE.txt file that was distributed with this source code.
13  *
14  * The TYPO3 project - inspiring people to share!
15  */
16 
21 
37 {
39 
43  public function initializeArguments()
44  {
45  parent::initializeArguments();
46  $this->registerArgument('array', 'array', 'The array being processed', true);
47  $this->registerArgument('key', 'mixed', 'The key being accessed', true);
48  }
49 
60  public static function renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)
61  {
62  $array = $arguments['array'];
63  $key = $arguments['key'];
64  $result = '';
65  if (isset($array[$key])) {
66  $result = $array[$key];
67  }
68  if (!is_scalar($result)) {
69  throw new Exception(
70  'Only scalar return values (string, int, float or double) are supported.',
71  1430852128
72  );
73  }
74  return (string)$result;
75  }
76 }
static renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)