PHP MCQ – Multiple Choice Questions and Answers – Basics – Part 2
This collection of PHP Multiple Choice Questions and Answers (MCQs): Quizzes & Practice Tests with Answer focuses on “PHP basic”.
1. What is the result of the following PHP code?
<?php
$a = 1;
$b = 2;
print $a ."+". $b;
?>
A 1.+.2
B 1+2
C 3
D Error
B
.(dot) is used to concatenate two parts of the statement.
2. Which is a newline character?
A /r
B /n
C \n
D \r
C
PHP deal with \n as a newline character.
3. What is the result of the following PHP code?
<?php
$a = 1;
$b = 2;
echo ($a !== $b);
?>
A 1 !== 2
B Error
C 1
D False
C
!== operator returns 1 if $a and $b are different and $a and $b have the same type.
4. What is the result of the following PHP code?
<?php
$a = "1";
$b = "2";
print $a + $b;
?>
A 12
B 3
C 1+2
D Error
B
The numbers within the double quotes are examined as integers and not string, so the value 3 is displayed and not 1+2.
5. Which of the conditional statements below are supported by PHP?
A if statements
B if-else statements
C if-elseif statements
D switch statements
A, B, C, D
All statements are supported by PHP and all are used to determine different conditions during a program and take decisions on the basis of whether these conditions evaluate to true or false.
6. Which of the following PHP declarations will store 5 in nbr?
A 5 = $nbr;
B $nbr = 5;
C int nbr = 5;
D int $nbr = 5;
B
You don’t need to indicate the datatype in PHP.
7. Which of the looping statements are approved by PHP?
A for loop
B while loop
C do-while loop
D foreach loop
A, B, C, D
All the loops above are supported in PHP as they can repeat the same block of code a given number of times, or until a particular condition is met.
8. Which is the correct way of declaring a variable in PHP?
A $2var
B $_var
C $this
D $This
B, D
A variable in PHP can’t start with a number, also $this is mostly used as reference to properties of a class so we can’t use $this as a user define variable name.
9. What is the result of the following PHP code?
<?php
$name = "Thomas";
$var = $name[3];
echo "$var";
?>
A o
B m
C $var
D Error
B
PHP deals with strings in the same way as arrays, allowing for specific characters to be accessed using array offset notation. In an array, index always starts from 0. So in the line
$var = $name[3]; if we count from start ‘m’ comes at index 3. So the output will be m.
10. Which of the following statements is equivalent to $nbr += $nbr?
A $nbr = $nbr
B $nbr = $nbr + $nbr
C $nbr = $nbr + 1
D $nbr = $nbr + $nbr + 1
B
a += b is an addition assignment whose result is a = a + b. Identical to subtraction, multiplication, division, etc.
- PHP MCQ – Multiple Choice Questions and Answers – Basics – Part 1
- PHP MCQ – Multiple Choice Questions and Answers – Basics – Part 2
- PHP MCQ – Multiple Choice Questions and Answers – Basics – Part 3
- PHP Questions and Answers – Functions – Part 1
- PHP Questions and Answers – Functions – Part 2
- PHP Questions and Answers – Arrays – Part 1
- PHP Questions and Answers – Arrays – Part 2
- PHP Questions and Answers – Arrays – Part 3
- PHP Questions and Answers – Arrays – Part 4
- PHP Questions and Answers – Object-Oriented OOP – Part 1
- PHP Questions and Answers – Object-Oriented OOP – Part 2
- PHP Questions and Answers – Object-Oriented OOP – Part 3
- PHP Questions and Answers – String – Part 1
- PHP Questions and Answers – String – Part 2
- PHP Questions and Answers – Regular Expressions
- PHP Questions and Answers – Exception Handling
