original_string: public function read($length = 4096)
      {
          $data = false;
          $this->_checkFileOpened();
          if ($length > 0) {
              $data = $this->_read($length);
          }
  
          return $data;
      }
code: public function read($length = 4096)
      {
          $data = false;
          $this->_checkFileOpened();
          if ($length > 0) {
              $data = $this->_read($length);
          }
  
          return $data;
      }
code_tokens: public function read ( $ length = 4096 ) { $ data = false ; $ this -> _checkFileOpened ( ) ; if ( $ length > 0 ) { $ data = $ this -> _read ( $ length ) ; } return $ data ; }
docstring: Read data from file
  
  @param int $length
  @return string|boolean
docstring_tokens: Read data from file