How can the separation of HTML code and functional PHP code be maintained effectively in PHP development?

To maintain the separation of HTML code and functional PHP code effectively in PHP development, developers can use PHP's alternative syntax for control structures like if, foreach, and while loops. This allows for embedding PHP code within HTML markup without breaking the visual separation. Additionally, using templating engines like Twig or Blade can help further isolate PHP logic from HTML presentation. 

<?php
// Example of using alternative syntax for control structures to separate PHP code from HTML
$name = "John Doe";
$age = 30;

?>

<!DOCTYPE html>
<html>
<head>
    <title>User Profile</title>
</head>
<body>
    <h1>User Profile</h1>
    <div>
        <?php if($age >= 18): ?>
            <p>Welcome, <?php echo $name; ?>!</p>
        <?php else: ?>
            <p>Sorry, you must be at least 18 years old to access this page.</p>
        <?php endif; ?>
    </div>
</body>
</html>

Keywords

HTML PHP separation code development

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