What is PHP - Interactive Quiz & Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to print "Hello, World!" in PHP.

PHP

<?php
echo [1];
?>

Drag options to blanks, or click blank then click option'

A"Hello, World!"

BHello, World!

C'Hello World'

DHello World

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting quotes around the text causes errors.

Using unquoted text is treated as a constant, causing errors.

In PHP, strings must be enclosed in quotes. Using double quotes "Hello, World!" prints the exact text.

2fill in blank

medium

Complete the code to declare a variable named $name with the value "Alice".

PHP

<?php
[1] = "Alice";
?>

Drag options to blanks, or click blank then click option'

Aname

B$name

Cvar name

Dlet name

Attempts:

3 left

💡 Hint

Common Mistakes

Omitting the $ sign before variable names.

Using JavaScript style variable declarations like var or let.

In PHP, variables start with a dollar sign $. So $name is the correct variable name.

3fill in blank

hard

Fix the error in the PHP code to correctly concatenate two strings.

PHP

<?php
$greeting = "Hello" [1] " World!";
echo $greeting;
?>

Drag options to blanks, or click blank then click option'

A+

B&&

C&

D.

Attempts:

3 left

💡 Hint

Common Mistakes

Using + instead of . for string concatenation.

Using logical operators like & or && by mistake.

In PHP, the dot (.) operator is used to join strings together.

4fill in blank

hard

Fill both blanks to create an associative array with keys "name" and "age".

PHP

<?php
$person = array([1] => "Bob", [2] => 30);
?>

Drag options to blanks, or click blank then click option'

A"name"

B"age"

Cname

Dage

Attempts:

3 left

💡 Hint

Common Mistakes

Using unquoted keys which are treated as constants.

Mixing keys with and without quotes.

Array keys must be strings in quotes. So use "name" and "age" as keys.

5fill in blank

hard

Fill all three blanks to write a PHP function named greet that takes a $name and returns a greeting string.

PHP

<?php
function [1]([2]) {
    return "Hello, " . [3] . "!";
}
?>

Drag options to blanks, or click blank then click option'

Agreet

B$name

Dhello

Attempts:

3 left

💡 Hint

Common Mistakes

Using variable names without $ inside the function.

Naming the function with a $ sign.

Using different names for parameter and inside variable.

The function name is greet. The parameter and variable used inside must be $name with the $ sign.