original_string: public function writeByte($byte)
      {
          // We do not need to check if file position points to the end of "file".
          // Only append operation is supported now
  
          $this->_data .= chr($byte);
          $this->_position = strlen($this->_data);
  
          return 1;
      }
code: public function writeByte($byte)
      {
          // We do not need to check if file position points to the end of "file".
          // Only append operation is supported now
  
          $this->_data .= chr($byte);
          $this->_position = strlen($this->_data);
  
          return 1;
      }
code_tokens: public function writeByte ( $ byte ) { // We do not need to check if file position points to the end of "file". // Only append operation is supported now $ this -> _data .= chr ( $ byte ) ; $ this -> _position = strlen ( $ this -> _data ) ; return 1 ; }
docstring: Writes a byte to the end of the file.
  
  @param integer $byte
docstring_tokens: Writes a byte to the end of the file .