This is confusing me, can someone explain this to me.

Question

<?php
$a = 'hello';
$hello = "Hi!";
echo $a;

// Outputs 'Hi!'
?>

I don’t understand how this works. What does ‘echo $a;’ do.
How would I use it.
Helllpppp!

Answer 1

Think reverse
$a = 'hello' => 'hello'=>$a
$hello=$a
$s='Hi!'
Hope you understand

one thing to note: use search bar

Answer 2

First you have double sign for variable => $. $a = 'hello', so we have $($a => 'hello'), next is $hello (first evaluating inner variable $a which is the string 'hello'), then the outer $hello (which is the string 'Hi!'). Hope it helps you :)

Answer 3

i dont really understand =/

Answer 4

Nope, i still dont understand this :((((((((