AgentSkillsCN

PHP Language Standards

在 PHP 核心语言规范以及 8.x 版本的现代化特性方面精益求精。

SKILL.md
--- frontmatter
name: PHP Language Standards
description: Core PHP language standards and modern 8.x features.
metadata:
  labels: [php, language, 8.x]
  triggers:
    files: ['**/*.php']
    keywords: [declare, readonly, match, constructor, promotion, types]

PHP Language Standards

Priority: P0 (CRITICAL)

Structure

text
src/
└── {Namespace}/
    └── {Class}.php

Implementation Guidelines

  • •Strict Typing: Declare declare(strict_types=1); at file top.
  • •Type Hinting: Apply scalar hints and return types to all members.
  • •Modern Types: Use Union (string|int) and Intersection types.
  • •Read-only: Use readonly for immutable properties.
  • •Constructor Promotion: Combine declaration and assignment in __construct.
  • •Match Expressions: Prefer match over switch for value returns.
  • •Named Arguments: Use for readability in optional parameters.

Anti-Patterns

  • •No Type Context: Avoid functions without return or parameter types.
  • •Sloppy Comparison: No ==: Use === for strict comparison.
  • •Legacy Syntax: No switch: Use match for simple value mapping.
  • •Global Scope: No Globals: Never define logic in global namespace.

References