How can PHP and JavaScript be effectively combined to provide a seamless experience for website visitors in terms of design selection based on screen resolution?

To provide a seamless experience for website visitors in terms of design selection based on screen resolution, PHP can be used to detect the screen resolution and then pass this information to JavaScript. JavaScript can then dynamically load the appropriate design based on the screen resolution detected by PHP. 

<?php
// PHP code to detect screen resolution and pass it to JavaScript
echo '<script>';
echo 'var screenWidth = ' . json_encode($_SERVER['HTTP_USER_AGENT']) . ';';
echo '</script>';
?>

Keywords

PHP JavaScript responsive design screen resolution user experience

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