How to fix TRUSTED HOST SETTINGS Not enabled Error on localhost

Trusted host setting for XAMPP Server

To enable the trusted host setting, we need to enable our hosts in $settings['trusted_host_patterns'].

Open the "settings.php" file and update the below code to enable the trusted host setting:

$settings['trusted_host_patterns'] = [
   '^localhost$',
   '^192\.151\.3\.101$',
   '^127\.0\.0\.1$',
];

Here,

'^localhost$',: This will allow the site to only run from localhost.

'^192\.151\.3\.101$', : This will allow the site to only run from system IP

'^127\.0\.0\.1$', : This will allow the site to only run from 127.0.0.1 instead of localhost.

Note: When we are running multisite then we will define all host patterns that are allowed by the site.

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