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     'Web', 'author' => 'Philip K. Dick', 'purchaseUrl' => 'http://example.com'],
        ['name' => 'OOP', 'author' => 'Andy Weir', 'purchaseUrl' => 'http://example.com'],
        ['name' => 'Database', 'author' => 'Jeffery', 'purchaseUrl' => 'http://example.com']
    ];

    $filteredBooks = filterBooksByAuthor($books, 'Andy Weir');
    ?>

    
    

                   
• = $book['name']; ?> - by = $book['author'] ?>