[Summary view] [Print] [Text view]

   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <[email protected]>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\String;
  13  
  14  if (!\function_exists(u::class)) {
  15      function u(?string $string = ''): UnicodeString
  16      {
  17          return new UnicodeString($string ?? '');
  18      }
  19  }
  20  
  21  if (!\function_exists(b::class)) {
  22      function b(?string $string = ''): ByteString
  23      {
  24          return new ByteString($string ?? '');
  25      }
  26  }
  27  
  28  if (!\function_exists(s::class)) {
  29      /**
  30       * @return UnicodeString|ByteString
  31       */
  32      function s(?string $string = ''): AbstractString
  33      {
  34          $string = $string ?? '';
  35  
  36          return preg_match('//u', $string) ? new UnicodeString($string) : new ByteString($string);
  37      }
  38  }