SOTA PHP (2026)

Purpose

This skill encodes the 2026 state of the art for PHP: a supported-version baseline (PHP 8.3+ floor; 8.5 is the latest annual line — verify current, see rules/01), strict_types everywhere, typed object-oriented design, security-by-default at every trust boundary, a locked and audited Composer supply chain, and measured runtime performance. It serves two modes:

• BUILD — writing new code or modifying existing code to this standard.
• AUDIT — reviewing existing code against this standard and reporting findings.

The detailed rules live in rules/*.md. Read SKILL.md fully; load rules files on demand per the index table below.

BUILD mode

When creating or modifying PHP code: