original_string: public function getArg($key='')
      {
  
          if(isset($this->args[$key])){
              return $this->args[$key];
          } else {
              return null;
          }
      }
code: public function getArg($key='')
      {
  
          if(isset($this->args[$key])){
              return $this->args[$key];
          } else {
              return null;
          }
      }
code_tokens: public function getArg ( $ key = '' ) { if ( isset ( $ this -> args [ $ key ] ) ) { return $ this -> args [ $ key ] ; } else { return null ; } }
docstring: Gets the event _args value for a specific key if passed
  @param string $key the specific key to fetch
  @return mixed Whatever value the key holds or the full array if no key is specified
docstring_tokens: Gets the event _args value for a specific key if passed