State of PHP deprecations in 2026
At work we’ve recently had a couple of code review discussions on PHP’s traditional @deprecated documentation tag, versus the newer [Deprecated] language-feature attribute.
For non-technical readers, this means the team care greatly about attention to detail and keeping up with modern standards. You may also make your excuses now, we’re going deep here…
Since it’s 2026 (again, I know I’ve mentioned it twice now, how did this happen?) let’s get straight to it, and paste in the results of five minutes with an AI chatbot:
Aspect@deprecated
[Deprecated]
Purpose
Documents deprecation for IDEs, tools, and docs
Marks elements as deprecated
Introduction
All versions
8.4, enhanced in 8.5
Applies To
ClassesInterfaces
Traits
Functions
Methods
Properties
Global constants
Traits (8.5)
Functions
Methods
Global constants (8.5)
Class ...