: Built-in tracking to see how many times a code was scanned and from where.
The file refers to a pirated version of the 66qrcode PHP script , a popular QR code and barcode generator platform. "Nulled" means the software's license verification and security features have been removed or bypassed by a third party. What is 66qrcode? 66qrcode v5.0 Nulled.rar
Is a nulled or cracked copy of 66qrcode safe? No. Nulled or cracked copies can be outdated, modified, bundled with malicious code, 66qrcode changelog : Built-in tracking to see how many times
: Developers of "nulled" scripts often bundle malicious code (like shells or miners) into the files to gain access to your server or steal data. bundled with malicious code