<?php class HelloWorld { public function sayHello(): string { return 'Hello, World!'; } } $date = new HelloWorld(); $a = match (true) { $date instanceof HelloWorld => 1, default => false }; var_dump($a); function applyDiscount(int $tier, float $price): float { switch ($tier) { case 1: $price = $price * 0.9; break; case 2: $price = $price * 0.8; break; } return $price; } var_dump(applyDiscount(9, 100.0));
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