In PHP applications, what are the advantages and disadvantages of using mod-rewrite to redirect all requests to index.php versus parsing the request URI directly in the PHP code?

When using mod-rewrite to redirect all requests to index.php, the advantage is that it simplifies the configuration and allows for cleaner URLs. However, this approach may add overhead to the server as it needs to process each request before redirecting. On the other hand, parsing the request URI directly in the PHP code gives more control and flexibility but requires additional coding and may result in more complex URL structures. 

// Using mod-rewrite to redirect to index.php
// .htaccess file
<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteBase /
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^(.*)$ index.php [L]
</IfModule>

// Parsing request URI directly in PHP code
$request_uri = $_SERVER['REQUEST_URI'];
$uri_parts = explode('/', $request_uri);
// Use $uri_parts to determine the appropriate action in your PHP code

Keywords

mod-rewrite redirect index.php request URI parsing

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