Changes Types PHP Union Type PHP Mixed Type Operators PHP nullsafe operator Attributes PHP Attributes Classes Constructors PHP constructor property promotion Return types PHP Static Return Type Literals PHP Class Name Literal Interfaces PHP Stringable Interface Maps PHP Weak Maps Errors PHP Throw Expression PHP Non-capturing Catches Parameters PHP Named Arguments Trailing Comma in Parameter Lists Functions str_contains() str_starts_with() str_ends_with() get_debug_type() get_resource_id() Objects DateTime createFromInterface() Expressions Match expression