original_string: protected function getChar()
      {
          // Check to see if we had anything in the look ahead buffer and use that.
          if (isset($this->c)) {
              $char = $this->c;
              unset($this->c);
  
          // Otherwise we start pulling from the input.
          } else {
              $char = substr($this->input, $this->index, 1);
  
              // If the next character doesn't exist return false.
              if (isset($char) && $char === false) {
                  return false;
              }
  
              // Otherwise increment the pointer and use this char.
              $this->index++;
          }
  
          // Normalize all whitespace except for the newline character into a
          // standard space.
          if($char !== "\n" && ord($char) < 32)
  
              return ' ';
  
          return $char;
      }
code: protected function getChar()
      {
          // Check to see if we had anything in the look ahead buffer and use that.
          if (isset($this->c)) {
              $char = $this->c;
              unset($this->c);
  
          // Otherwise we start pulling from the input.
          } else {
              $char = substr($this->input, $this->index, 1);
  
              // If the next character doesn't exist return false.
              if (isset($char) && $char === false) {
                  return false;
              }
  
              // Otherwise increment the pointer and use this char.
              $this->index++;
          }
  
          // Normalize all whitespace except for the newline character into a
          // standard space.
          if($char !== "\n" && ord($char) < 32)
  
              return ' ';
  
          return $char;
      }
code_tokens: protected function getChar ( ) { // Check to see if we had anything in the look ahead buffer and use that. if ( isset ( $ this -> c ) ) { $ char = $ this -> c ; unset ( $ this -> c ) ; // Otherwise we start pulling from the input. } else { $ char = substr ( $ this -> input , $ this -> index , 1 ) ; // If the next character doesn't exist return false. if ( isset ( $ char ) && $ char === false ) { return false ; } // Otherwise increment the pointer and use this char. $ this -> index ++ ; } // Normalize all whitespace except for the newline character into a // standard space. if ( $ char !== "\n" && ord ( $ char ) < 32 ) return ' ' ; return $ char ; }
docstring: Returns the next string for processing based off of the current index.
  
  @return string
docstring_tokens: Returns the next string for processing based off of the current index .