To clear the cache in Laravel, do the following:
cd ~/example.com/www/
/usr/local/php73/bin/php artisan optimize
/usr/local/php73/bin/php artisan cache:clear
/usr/local/php73/bin/php artisan route:cache
/usr/local/php73/bin/php artisan view:clear
/usr/local/php73/bin/php artisan config:cache