Hi. You can consider using Valet.

it is very easy to install and straightforward.

Check the documents here and see if this is feasible for you.

https://laravel.com/docs/8.x/valet

Thank you for your replying, unfortunately I couldn't use brew command, because the OS (macOS High Sierra 10.13.6) on my MacBook is not allowing to run it and incapable to upgrade , further to, my MacBook is old version MacBook Pro (Retina, Mid 2012)

Maybe you have an old value in $PATH that result in a conflict.

What do you get if you run echo $PATH ?

Or if you run which php?

Hello, thank you for your replying.. when I run echo $PATH, it results: /Applications/MAMP/bin/php/php7.4.16/bin:/Applications/MAMP/bin/php/php8.0.8/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/X11/bin and for which php, it results: /Applications/MAMP/bin/php/php8.0.8/bin/php

I think you should copy everything you got from echo $PATH and remove the reference to the old not existing PHP path. And then set the PATH with the new value:

So if you did copy your full path in your message it should be: export PATH=/Applications/MAMP/bin/php/php8.0.8/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/X11/bin

I have updated the path in .bash_profile as in your post, but it still produce same result (after running echo $PATH) /Applications/MAMP/bin/php/php7.4.16/bin:/Applications/MAMP/bin/php/php8.0.8/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/X11/bin

The old PHP ver. is staying as it.

Did you restart after changing your .bash_profile? I believe it need to be restart / reload to get the changes.

If you mean restart terminal ( or using source ~/.bash_profile.), yes I know that and I did, but I don't know why give me old version in path when I run echo $PATH, while give me the updated one when I run which php. that mean the change is performed, but when I run composer installing the old version shows in path as mentioned in my original post.