How can server configurations, such as Apache settings, impact the functionality of passing variables via URLs in PHP scripts?

Server configurations, such as Apache settings, can impact the functionality of passing variables via URLs in PHP scripts by affecting how query parameters are processed. One common issue is when the "mod_rewrite" module is enabled in Apache, which can rewrite URLs and remove query parameters. To solve this issue, you can modify the Apache configuration to allow passing variables via URLs by enabling the "AcceptPathInfo" directive or using the "QSA" flag in the RewriteRule.

RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php/$1 [L,QSA]