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<?php function charge(int $amount) { // charge customer for $amount; printf('charged customer %d for the product', $amount); } $amount = '400'; // $database->select('price')->from('products', 'p')->where('p.id = ?')->execute($productId); // .... charge((int) $amout);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $amout in /in/anriQ on line 14 charged customer 0 for the product

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