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The RFC proposes introducing a pattern matching syntax to PHP, allowing variables to be matched against complex data structure patterns and optionally extracting values. This functionality aims to provide more readable and compact code. The document covers various patterns like type, literal, class constant, object property, and array structure patterns, detailing how they would be implemented and used. Additionally, it explores optional and future patterns that could be included to enhance PHP's capability further.

PHP: rfc:pattern-matching

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PHP Pattern matching is now in discussion!

PHP Pattern matching is now in discussion!

i hope it passes, the spec is really well done, and its the last missing piece to have Haskell/Rust-like Results in PHP since we will be able to pattern match readonly classes in match expression, this would become really pretty inside the new pipe operator.
The alert that they can extend this to Haskell-like ADTs in the future with enums is also super promising