original_string: public function lastIndexOf($value){
  		
  		$i = $this->count() - 1;
  		
  		while($i >= 0 && $this->_Arr[$i] !== $value){
  			--$i;
  		}
  		
  		return $i;
  		
  	}
code: public function lastIndexOf($value){
  		
  		$i = $this->count() - 1;
  		
  		while($i >= 0 && $this->_Arr[$i] !== $value){
  			--$i;
  		}
  		
  		return $i;
  		
  	}
code_tokens: public function lastIndexOf ( $ value ) { $ i = $ this -> count ( ) - 1 ; while ( $ i >= 0 && $ this -> _Arr [ $ i ] !== $ value ) { -- $ i ; } return $ i ; }
docstring: Returns the index of the last matching value
  @param mixed $value
  @return int -1 if not found
docstring_tokens: Returns the index of the last matching value