original_string: public static function fromBytes(array $bytes)
      {
          $result = null;
          if (count($bytes) === 16) {
              $address = '';
              for ($i = 0; $i < 16; ++$i) {
                  if ($i !== 0 && $i % 2 === 0) {
                      $address .= ':';
                  }
                  $byte = $bytes[$i];
                  if (is_int($byte) && $byte >= 0 && $byte <= 255) {
                      $address .= sprintf('%02x', $byte);
                  } else {
                      $address = null;
                      break;
                  }
              }
              if ($address !== null) {
                  $result = new static($address);
              }
          }
  
          return $result;
      }
code: public static function fromBytes(array $bytes)
      {
          $result = null;
          if (count($bytes) === 16) {
              $address = '';
              for ($i = 0; $i < 16; ++$i) {
                  if ($i !== 0 && $i % 2 === 0) {
                      $address .= ':';
                  }
                  $byte = $bytes[$i];
                  if (is_int($byte) && $byte >= 0 && $byte <= 255) {
                      $address .= sprintf('%02x', $byte);
                  } else {
                      $address = null;
                      break;
                  }
              }
              if ($address !== null) {
                  $result = new static($address);
              }
          }
  
          return $result;
      }
code_tokens: public static function fromBytes ( array $ bytes ) { $ result = null ; if ( count ( $ bytes ) === 16 ) { $ address = '' ; for ( $ i = 0 ; $ i < 16 ; ++ $ i ) { if ( $ i !== 0 && $ i % 2 === 0 ) { $ address .= ':' ; } $ byte = $ bytes [ $ i ] ; if ( is_int ( $ byte ) && $ byte >= 0 && $ byte <= 255 ) { $ address .= sprintf ( '%02x' , $ byte ) ; } else { $ address = null ; break ; } } if ( $ address !== null ) { $ result = new static ( $ address ) ; } } return $ result ; }
docstring: Parse an array of bytes and returns an IPv6 instance if the array is valid, or null otherwise.
  
  @param int[]|array $bytes
  
  @return static|null
docstring_tokens: Parse an array of bytes and returns an IPv6 instance if the array is valid or null otherwise .