How can one ensure that PHP scripts function correctly when viewed in different browsers?

To ensure that PHP scripts function correctly when viewed in different browsers, it is important to write code that is compatible with various browsers and their different rendering engines. This can be achieved by following web standards, testing the scripts in multiple browsers, and using CSS to style the output consistently across different platforms. 

<!DOCTYPE html>
<html>
<head>
    <title>PHP Browser Compatibility</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            color: #333;
            background-color: #f5f5f5;
        }
    </style>
</head>
<body>
    <?php
        echo "<h1>Hello, World!</h1>";
    ?>
</body>
</html>

Keywords

Cross-browser compatibility PHP scripts browser testing user-agent detection conditional statements

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