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Asked: 2026-05-12T17:23:44+00:00

I’m building a webapp in MySQL/PHP/Javascript. In PHP, I’ve got all the classes from

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I’m building a webapp in MySQL/PHP/Javascript.

In PHP, I’ve got all the classes from the domain od the problem which persist in the database.
In Javascript, there is a cache with objects from the last queries.

When an object in Javascript is updated by the user, it has to update itself in server-side. Which would be the best way to do this?

Should I create a class in PHP and Javascript for communication purposes? Should each object in Javascript send an AJAX query to a different php file depending on the class of the object it needs to update?
Are there any patterns to follow to solve this?

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1 Answer

  1. Editorial Team

    Creating a separate PHP file for each class would certainly be more maintainable if this is a project of any size at all. It would also allow you to do things like have different server-level authentication based on the classes.

    On the JavaScript side, you definitely want some sort of AJAX library, whether you throw it together yourself (I did one once in about 50 lines of JavaScript) or use one of the ones out there. You may need a helper function or two that knows how to serialize the data (XML, JSON, delimited, whatever).

    You can write object oriented code in JavaScript, and if you’re doing that already, it makes sense to add a write() or updateServer() method to call the AJAX library with the right parameters for consistency. If you’re not writing OO code, it still may make sense to have separate functions, but only if there’s more than one place you need to persist these objects from.

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