PHP Language Standards Priority: P0 (CRITICAL) Structure Implementation Guidelines Core Language Standards - Strict Typing : Declare at very top of every file. - Type Hinting : Apply scalar type hints (e.g., , ) and return types to all functions. - Strict Comparison : Avoid loose comparison ; always use for strict equality. Modern PHP 8+ Patterns - Match Expressions : Prefer over for value returns. It provides strict comparison and exhaustive by default. - Default Case : Use to handle unknown states. - Read-only : Use for properties set once at construction. - Property Promotion : Use to redu…