Despite its popularity, PHP POS source code has several issues that can affect its performance and security. Some of the common issues include:
Instead of searching for "php point of sale source code fix download" for every issue, learn to fix these common problems yourself:
# Backup your database mysqldump -u username -p database_name > pos_backup_$(date +%Y%m%d).sql
PHP Point of Sale Source Code Fix Download: Troubleshooting and Securing Your System
A: Yes, if properly configured and PCI DSS compliant. Never store raw card data in your database.