{help} Pls what are d difference between these codes?

Question

(1) <?php>
Var1=x;
Var2=y
x=''hello'';
y="world!";
echo="x+y";
<?>

(2) <?php>
echo 'hello world!';
<?>

(3)
<?php>
Var="x"
x="hello world";
Echo x;
<?>

Answer 1

None of the codes runs.
You have a lot of syntax errors.

Answer 2

Pls how do I correct them

Answer 3

The primary issue here is how you declare variables. Please review the PHP lesson. Once you do that, I'm convinced that you will be able to fix the problem easily 👍

Answer 4

🖐️olryt bro.
🏃 I will go through the course again