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   1  <?php
   2  /*
   3   * This file is part of the PHPASN1 library.
   4   *
   5   * Copyright © Friedrich Große <[email protected]>
   6   *
   7   * For the full copyright and license information, please view the LICENSE
   8   * file that was distributed with this source code.
   9   */
  10  
  11  namespace FG\ASN1\Universal;
  12  
  13  use FG\ASN1\AbstractString;
  14  use FG\ASN1\Identifier;
  15  
  16  class NumericString extends AbstractString
  17  {
  18      /**
  19       * Creates a new ASN.1 NumericString.
  20       *
  21       * The following characters are permitted:
  22       * Digits                0,1, ... 9
  23       * SPACE                 (space)
  24       *
  25       * @param string $string
  26       */
  27      public function __construct($string)
  28      {
  29          $this->value = $string;
  30          $this->allowNumbers();
  31          $this->allowSpaces();
  32      }
  33  
  34      public function getType()
  35      {
  36          return Identifier::NUMERIC_STRING;
  37      }
  38  }