Ensure the window.print() function is targeting the correct CSS media query ( @media print ) so the receipt formats correctly on small paper. 2. How to Safely "Download" and Apply Fixes
: Offers a variety of specific systems, such as one tailored for Pharmacies . Common Fixes & Troubleshooting Guide php point of sale source code fix download
: Many free POS scripts have insecure "email" or "login" parameters. The standard fix is to replace string interpolation with parameterized queries using PDO or MySQLi . Ensure the window
Some developers maintain —diffs that fix known vulnerabilities (e.g., SQL injection in product search). You can download these separately. you have two choices:
If your script uses mysql_ functions and you are on PHP 7+, you have two choices: