PHP - 连接对象和转换为字符串 - 坏主意？

Question

Is it bad practice to concatenate objects when used in this context:

$this->template->head .= new View('custom_javascript')

This is the way i normally add extra css/js stuff to specific pages. I use an MVC structure where my basic html template has a $head variable which I set in my main Website_controller. I have used this approach for a while as it means I can just add bits and pieces of css/js stuff from whichever page/controller needs it. But having come across a problem in PHP 5.1.6 where the above code results in "Object ID #24", the result of toString() not being called i think, I am rethinking whether i should just fix this to work in PHP 5.1.6 or if i should rethink this approach in general.

Any pointers appreciated!

Answer 1

You can always use View as a factory object, passing it as string to template with a render() function ( or whatever you'd like to call it ), so the code you have there would look something like;

$this->template->head .= View::factory('custom_javascript')->render()

being rendered the moment before it's passed to template.

Kohana 3 for example uses this pattern to work with views / templates, you can read more about it at unofficial wiki