What is graceful degradation

Graceful degradation is a design philosophy that ensures a website or application remains functional as browsers, devices, or users' environments change. This approach aims to provide a basic level of functionality to all users, while enhancing the experience for those with modern capabilities.
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<?php // Simple example of graceful degradation function displayContent($userAgent) { if (strpos($userAgent, 'modern-browser') !== false) { echo "<div>Welcome to our advanced site!</div>"; } else { echo "<div>Welcome to our basic site!</div>"; } } displayContent($_SERVER['HTTP_USER_AGENT']); ?>

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