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Partial Function Application

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Sep 16, 2026 · Backend Development

PHP 8.6 Preview: Partial Function Application, clamp(), Duration & Polling API

PHP 8.6, slated for November 19, 2026, introduces partial function application with ? and ... placeholders, a clamp() function for value bounding, a Time\Duration class with nanosecond precision, readonly property defaults, parameter doc comments, an Io\Poll API for I/O multiplexing, SortDirection enum, enum __debugInfo(), unified stream error handling, URI builder enhancements, and stricter session security defaults.

DurationPHP 8.6Partial Function Application

0 likes · 10 min read

PHP 8.6 Preview: Partial Function Application, clamp(), Duration & Polling API

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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

0 likes · 11 min read

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

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Dec 4, 2025 · Backend Development

What PHP’s Partial Function Application RFC Brings to the Language

The RFC introduces Partial Function Application (PFA) for PHP, allowing developers to pre‑bind some arguments of a callable using placeholders like ? and ... which generate a closure that preserves type information, optionality, defaults, and attributes, simplifying pipeline and functional code.

Partial Function ApplicationRFCfunctional programming

0 likes · 11 min read

What PHP’s Partial Function Application RFC Brings to the Language