I work on projects from PHP 5.6-8.4 and I can't say it feels that different. It's mostly just type differences. But PHP 5 was released 21 years ago and is unsu

I work on projects from PHP 5.6-8.4 and I can't say it feels that different. It's mostly just type differences. But PHP 5 was released 21 years ago and is unsupported. Companies using it are putting their customers at risk.