git.stricted.de - GitHub/WoltLab/WCF.git/blob

   1 <?php
   2
   3 /**
   4  * @see       https://github.com/laminas/laminas-diactoros for the canonical source repository
   5  * @copyright https://github.com/laminas/laminas-diactoros/blob/master/COPYRIGHT.md
   6  * @license   https://github.com/laminas/laminas-diactoros/blob/master/LICENSE.md New BSD License
   7  */
   8
   9 declare(strict_types=1);
  10
  11 namespace Laminas\Diactoros\Response;
  12
  13 use function array_keys;
  14 use function array_reduce;
  15 use function strtolower;
  16
  17 trait InjectContentTypeTrait
  18 {
  19     /**
  20      * Inject the provided Content-Type, if none is already present.
  21      *
  22      * @return array Headers with injected Content-Type
  23      */
  24     private function injectContentType(string $contentType, array $headers) : array
  25     {
  26         $hasContentType = array_reduce(array_keys($headers), function ($carry, $item) {
  27             return $carry ?: (strtolower($item) === 'content-type');
  28         }, false);
  29
  30         if (! $hasContentType) {
  31             $headers['content-type'] = [$contentType];
  32         }
  33
  34         return $headers;
  35     }
  36 }