How to find out what version of php is needed for the script to work?

Question

PHP

Let's say I wrote a script and I want to know what is the minimum version of php that supports it. How can I find out? Is it possible to find out using phpStorm?

Answer 1

Answer 2

Well, the documentation for the script should be...

Answer 3

Very simple.
Read release notes for PHP versions, for versions from the last 10 years it will take half an hour maximum.
Or you can just install several versions of PHP and try it, it will be even faster.