What things we need know before starting learning about website development through php?

Answer 1

HTML, CSS, JS and SQL

Answer 2

Know which tools you'll be using.
What IDE will you be using?
Where will you run your websites on?

My personal response:
I'm using Apache for my local server.
Notepad++
My own computer.

To start Programming in php, explore how Directories play a vital role in PHP.
Use Index.php as a default script to execute for each directory.
Know how to load an HTML file without programming it all in the php file.

Answer 3

It is indeed

Answer 4

Is learning css and js from SoloLearn is sufficient?

Answer 5

my personal response:
on a webhosting service or apache2/nginx server on Linux
sublime text 3 or kwrite or atom
my computer

Answer 6

Is it necessary to know css and js?

Answer 7

no you dont have to learn front end if you dont want to but if you want to be a website developer you really should familiarise yourself with them especially as they are pretty simple.