original_string: public function pad($length, $padding = ' ') {
  		$len = $length - $this->length();
  		return $this->applyPadding(floor($len / 2), ceil($len / 2), $padding);
  	}
code: public function pad($length, $padding = ' ') {
  		$len = $length - $this->length();
  		return $this->applyPadding(floor($len / 2), ceil($len / 2), $padding);
  	}
code_tokens: public function pad ( $ length , $ padding = ' ' ) { $ len = $ length - $ this -> length ( ) ; return $ this -> applyPadding ( floor ( $ len / 2 ) , ceil ( $ len / 2 ) , $ padding ) ; }
docstring: Adds padding to the start and end
  
  @param int $length
  @param string $padding
  @return Text
docstring_tokens: Adds padding to the start and end