It's not that simple. I think at some point you should leave the question to sleep over it. You will be surprised how much more clarity you are going to have after a good night sleep.
What is more, over the time (with acquiring more experience), you will know the answers of those questions.
Pretty easy - Facebook was built in PHP.
Your best framework is the one that works for you.
When you have a spare 100B dollars, then you can build shiny new stuff.
It's not that simple. I think at some point you should leave the question to sleep over it. You will be surprised how much more clarity you are going to have after a good night sleep.
What is more, over the time (with acquiring more experience), you will know the answers of those questions.
Simple. Use your brain.
Pretty easy - Facebook was built in PHP.
Your best framework is the one that works for you.
When you have a spare 100B dollars, then you can build shiny new stuff.