original_string: public function unshorten($str) {
  		$num = 0;
  		$len = strlen($str);
  
  		for ($i = 0; $i < $len; $i++) {
  			$num = $num * $this->base + strpos($this->alphabet, $str[$i]);
  		}
  
  		return $num;
  	}
code: public function unshorten($str) {
  		$num = 0;
  		$len = strlen($str);
  
  		for ($i = 0; $i < $len; $i++) {
  			$num = $num * $this->base + strpos($this->alphabet, $str[$i]);
  		}
  
  		return $num;
  	}
code_tokens: public function unshorten ( $ str ) { $ num = 0 ; $ len = strlen ( $ str ) ; for ( $ i = 0 ; $ i < $ len ; $ i ++ ) { $ num = $ num * $ this -> base + strpos ( $ this -> alphabet , $ str [ $ i ] ) ; } return $ num ; }
docstring: Converts the specified short string to an integer ID
  
  This is done by performing a (bijective) base conversion
  
  @param string $str the short string to convert
  @return int the integer ID
docstring_tokens: Converts the specified short string to an integer ID