src/Registration.php
protected function buildIdentity($identity_file = false)
  {
      if ($identity_file === false) {
          $identity_file = sprintf('%s%s%sid.%s.dat', __DIR__, DIRECTORY_SEPARATOR, Constants::DATA_FOLDER.DIRECTORY_SEPARATOR, $this->phoneNumber);
      }

      // Check if the provided is not a file but a directory
      if (is_dir($identity_file)) {
          $identity_file = sprintf('%s/id.%s.dat',
              rtrim($identity_file, "/"),
              $this->phoneNumber
          );
      }

      if (is_readable($identity_file)) {
          $data = urldecode(file_get_contents($identity_file));
          $length = strlen($data);

          if ($length == 20 || $length == 16) {
              return $data;
          }
      }

      $bytes = strtolower(openssl_random_pseudo_bytes(20));

      if (file_put_contents($identity_file, urlencode($bytes)) === false) {
          throw new Exception('Unable to write identity file to '.$identity_file);
      }

      return $bytes;
  }
protected function buildIdentity($identity_file = false)
  {
      if ($identity_file === false) {
          $identity_file = sprintf('%s%s%sid.%s.dat', __DIR__, DIRECTORY_SEPARATOR, Constants::DATA_FOLDER.DIRECTORY_SEPARATOR, $this->phoneNumber);
      }

      // Check if the provided is not a file but a directory
      if (is_dir($identity_file)) {
          $identity_file = sprintf('%s/id.%s.dat',
              rtrim($identity_file, "/"),
              $this->phoneNumber
          );
      }

      if (is_readable($identity_file)) {
          $data = urldecode(file_get_contents($identity_file));
          $length = strlen($data);

          if ($length == 20 || $length == 16) {
              return $data;
          }
      }

      $bytes = strtolower(openssl_random_pseudo_bytes(20));

      if (file_put_contents($identity_file, urlencode($bytes)) === false) {
          throw new Exception('Unable to write identity file to '.$identity_file);
      }

      return $bytes;
  }
protected function buildIdentity ( $ identity_file = false ) { if ( $ identity_file === false ) { $ identity_file = sprintf ( '%s%s%sid.%s.dat' , __DIR__ , DIRECTORY_SEPARATOR , Constants :: DATA_FOLDER . DIRECTORY_SEPARATOR , $ this -> phoneNumber ) ; } // Check if the provided is not a file but a directory if ( is_dir ( $ identity_file ) ) { $ identity_file = sprintf ( '%s/id.%s.dat' , rtrim ( $ identity_file , "/" ) , $ this -> phoneNumber ) ; } if ( is_readable ( $ identity_file ) ) { $ data = urldecode ( file_get_contents ( $ identity_file ) ) ; $ length = strlen ( $ data ) ; if ( $ length == 20 || $ length == 16 ) { return $ data ; } } $ bytes = strtolower ( openssl_random_pseudo_bytes ( 20 ) ) ; if ( file_put_contents ( $ identity_file , urlencode ( $ bytes ) ) === false ) { throw new Exception ( 'Unable to write identity file to ' . $ identity_file ) ; } return $ bytes ; }
Create an identity string.

@param  mixed $identity_file IdentityFile (optional).

@throws Exception        Error when cannot write identity data to file.

@return string           Correctly formatted identity
Create an identity string .