self or static

1<?php2class Model {3    public static function name(): string { return 'Model'; }4    public static function selfName(): string { return self::name(); }5    public static function staticName(): string { return static::name(); }6    public static function create(): static { return new static(); }7}8class User extends Model {9    public static function name(): string { return 'User'; }10}11echo User::selfName(), "\n";12echo User::staticName(), "\n";13echo get_class(User::create()), "\n";