What role does Bootstrap play in altering the display of elements in PHP projects?

Bootstrap plays a crucial role in altering the display of elements in PHP projects by providing a responsive framework that allows developers to easily style and structure their web pages. By using Bootstrap classes, developers can create dynamic layouts, responsive grids, and visually appealing designs without having to write extensive CSS code.

<!DOCTYPE html>
<html>
<head>
    <title>Bootstrap Example</title>
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
</head>
<body>
    <div class="container">
        <h1>Hello, World!</h1>
        <p>This is a Bootstrap example in a PHP project.</p>
    </div>
</body>
</html>