Setting a Default Theme for New WordPress Installations With WP_DEFAULT_THEME

define( ‘WP_DEFAULT_THEME’, ‘default-theme-folder-name’ );

Enabling the “Trash” Feature for Media Files With MEDIA_TRASH

define( ‘MEDIA_TRASH’, true );

Letting WordPress Skip the wp-content Directory While Updating With CORE_UPGRADE_SKIP_NEW_BUNDLED

define( ‘CORE_UPGRADE_SKIP_NEW_BUNDLED’, true );

Allowing Unfiltered WordPress Uploads for Administrators With ALLOW_UNFILTERED_UPLOADS

define( ‘ALLOW_UNFILTERED_UPLOADS’, true );