Brent 7/29/2026

What's new in PHP 8.6

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This article covers the upcoming PHP 8.6 release, scheduled for November 19, 2026. Key additions include partial function application (PFA) for creating closures with prefilled parameters, which pairs well with the pipe operator. Readonly properties can now have default values, useful when implementing interfaces with property hooks. A new polling API is introduced to aid internal development and is exposed to userland for frameworks like ReactPHP or Amp. The article also mentions deprecations and encourages participation in the State of PHP survey.

What's new in PHP 8.6

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