Activity 2. Variables

---

Problem 1

Write a program to print "Hello World" using echo only.

Condition

You can not use any variable.

Solution

echo "Hello World!";

Output

Hello World!

---

Problem 2

Write a program to print "Hello PHP" using using variable.

Condition

You can not use text directly in echo but can use variable.

Solution

$hello = "Hello PHP"; 
echo $hello;

Output

Hello PHP

---

Problem 3

Write a program to print a "Welcome the the PHP World" using some part of the text in variable & some part directly in echo.

Condition

You have to use a variable that contains string "PHP World".

Solution

$world = "PHP World";
echo "Welcome to the $world";

Output

Welcome to the PHP World