How can CSS Media-Queries and meta-tags for viewport definition be used effectively in PHP development for mobile sites?

To create a responsive mobile site in PHP, you can utilize CSS Media-Queries to adjust the layout based on different screen sizes and meta-tags for viewport definition to ensure proper scaling on mobile devices. By combining these two techniques, you can create a mobile-friendly design that adapts to various screen sizes. 

<!DOCTYPE html>
<html>
<head>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <style>
        @media only screen and (max-width: 600px) {
            /* CSS styles for mobile devices */
            body {
                font-size: 14px;
            }
        }
    </style>
</head>
<body>
    <h1>Welcome to our mobile site!</h1>
    <p>This is a sample content for demonstration.</p>
</body>
</html>

Keywords

CSS Media-Queries meta-tags viewport definition PHP development mobile sites

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