"Call to undefined method X::y()" in PHP — What It Means and How to Fix It
What the PHP error "Call to undefined method X::y()" means and how to fix it.
Published November 1, 2026
"Call to undefined method X::y()" occurs when code calls a method that doesn't exist on a given class or object.
Key points
- Check for a typo in the method name, or confirm the object is actually an instance of the class you expect