Sep 16, 2026 · Backend Development

PHP 8.6 Features: Partial Application, clamp(), Time\Duration & More

PHP 8.6, releasing November 19, 2026, introduces 11 major features including partial function application with ? and ... placeholders, a built-in clamp() function, Time\Duration class for nanosecond precision, readonly property defaults, inline parameter doc comments, a cross-platform Io\Poll API, SortDirection enum, enum __debugInfo() support, unified stream error handling, URI builder enhancements, and stricter session security defaults.

PHP 8.6Partial Function ApplicationPolling API

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$PHP 8.6 Features: Partial Application, clamp(), Time\Duration & More$