How can one effectively troubleshoot PHP configuration errors like $cfg['PmaAbsoluteUri']?

To troubleshoot PHP configuration errors like $cfg['PmaAbsoluteUri'], one should first check the configuration file (such as config.inc.php) for any syntax errors or typos. Ensure that the variable is correctly defined and assigned a valid value. If the error persists, try restarting the web server to apply the changes.

$cfg['PmaAbsoluteUri'] = 'http://localhost/phpmyadmin/';