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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  /**
  17   * The International Alphabet No.5 (IA5) references the encoding of the ASCII characters.
  18   *
  19   * Each character in the data is encoded as 1 byte.
  20   */
  21  class IA5String extends AbstractString
  22  {
  23      public function __construct($string)
  24      {
  25          parent::__construct($string);
  26          for ($i = 1; $i < 128; $i++) {
  27              $this->allowCharacter(chr($i));
  28          }
  29      }
  30  
  31      public function getType()
  32      {
  33          return Identifier::IA5_STRING;
  34      }
  35  }