<?php // Question 7: echo "The scope resolution operator(::) allows access to static properties or methods\nof a class without instantiation. Even constants can be static accessed." . PHP_EOL . PHP_EOL; class Shopping { public static function pay() { return '12,500.00' . PHP_EOL; } } echo Shopping::pay(); echo PHP_EOL . "The -> allows access to instantiated members of an object like properties or\nmethods" . PHP_EOL . PHP_EOL; class ShoppingCart { public function pay() { return '12,500.00'; } } $instance = new ShoppingCart(); echo $instance->pay();