Test Your PHP Knowledge

Question 1

1/11

What does PHP stand for?

Hypertext Preprocessor

Answer

Personal Hypertext Processor

Answer

Python Hacking Program

Answer

Powerful HTML Parser

Question 2

2/11

Which company developed PHP?

Oracle

Microsoft

Netscape

Zend Technologies

Answer

start_session()

Answer

begin_session()

Answer

initialize_session()

Answer

createConstant()

Answer

defineConstant()

Answer

makeConstant()

Answer

include_once

Answer

string_length()

Answer

str_length()

Answer

# This is a comment

Answer

// This is a comment //

Answer

// This is a comment /*

Question 3

3/11

Which of the following is NOT a PHP data type?

Boolean

Float

Character

String

Question 4

4/11

How do you start a PHP session?

session_start()

Question 5

5/11

Which of the following is the correct way to create a constant in PHP?

define()

Question 6

6/11

What is the default file extension for a PHP file?

.html

.txt

.php

.js

Question 7

7/11

How do you include the contents of one PHP file into another?

import

require_once

load

Question 8

8/11

Which function is used to find the length of a string in PHP?

length()

strlen()

Question 9

9/11

What is the output of the following code?

$x = 10;
$y = '5';
$z = $x + $y;
echo $z;

15

105

10

Error

Question 10

10/11

How do you comment a single line in PHP?

// This is a comment

Question 11

11/11

Which of the following loops is used to iterate over an array in PHP?

for

while

foreach

do-while