original_string: public function pop($varName)
      {
          $this->set($varName, array_pop($this->varStack[json_encode($varName)]));
      }
code: public function pop($varName)
      {
          $this->set($varName, array_pop($this->varStack[json_encode($varName)]));
      }
code_tokens: public function pop ( $ varName ) { $ this -> set ( $ varName , array_pop ( $ this -> varStack [ json_encode ( $ varName ) ] ) ) ; }
docstring: Pop a var from a local var stack.
  
  @param string $varName
  @return void
docstring_tokens: Pop a var from a local var stack .