a simple program or scrip with php looks like this

it looks like this:

code in php

you can write some comments so the computer will not read those lines.


Comments are like this

code in php

Simple output here

Case Sensitivity

The word echo, is NOT case sensitive

code in php
You can write echo all lower case
You can write ECHO all capital letters
or combine lower and upper case letters like this ecHO
or like this eCHo

If I were you I would just get used to echo, all lower letters and that's it, make it simple.

Copyright 2017, July, 07