The wp-config.php file is the core configuration file for any WordPress site, acting as the "brain" that connects your website to its database. It is located in the root directory of your WordPress installation. Primary Function: Database Connection

Add custom constants above the line that says /* That's all, stop editing! Happy publishing. */
Only change what you understand.
After editing, save the file without changing its name or encoding (UTF-8 without BOM is ideal).

// At the bottom of main wp-config.php, but BEFORE wp-settings.php
if ( file_exists( __DIR__ . '/wp-config-local.php' ) ) 
    include __DIR__ . '/wp-config-local.php';
// Optional: Log errors to a file in /wp-content/
define( 'WP_DEBUG_LOG', true );
1. Enable WP_DEBUG (For Troubleshooting)
Change false to true to see PHP errors, notices, and warnings. Never do this on a live production site (it will show errors to visitors).
Custom content directories

Wp Config.php |best| -

Add custom constants above the line that says /* That's all, stop editing! Happy publishing. */
Only change what you understand.
After editing, save the file without changing its name or encoding (UTF-8 without BOM is ideal).

// At the bottom of main wp-config.php, but BEFORE wp-settings.php
if ( file_exists( __DIR__ . '/wp-config-local.php' ) ) 
    include __DIR__ . '/wp-config-local.php';
// Optional: Log errors to a file in /wp-content/
define( 'WP_DEBUG_LOG', true ); wp config.php
1. Enable WP_DEBUG (For Troubleshooting)
Change false to true to see PHP errors, notices, and warnings. Never do this on a live production site (it will show errors to visitors). The  wp-config
Custom content directories