code: public Object invoke(String methodName) {
  		IObjectParser parser = container.getObjectParser();
  		LOGGER.debug("Calling " + methodName + " on object " + phpSudId);
  		String expr = PHPInterpeter.getObject(phpSudId) + "->" + methodName + "()";
  		try {
  			return parser.parse(expr);
  		} catch (PHPException e) {
  			LOGGER.error("Unable to get value : " + e.toString());
  		}
  		return null;
  	}
docs: <p>invoke.</p>
  
  @param methodName a {@link java.lang.String} object.
  @return a {@link java.lang.Object} object.