PHP MCQ

Multiple-choice questions (MCQs) on PHP (Hypertext Preprocessor) serve as a valuable assessment tool for evaluating an individual’s knowledge and proficiency in this popular server-side scripting language. PHP MCQs cover a wide range of topics, including syntax, variables, data types, database connectivity, and web development concepts. These questions are designed to test a candidate’s understanding of PHP’s fundamental principles, such as variable declaration, conditional statements, and loops. Additionally, they assess knowledge related to PHP’s integration with databases using MySQL or other database management systems. PHP MCQs are widely used in educational institutions, job interviews, and online coding assessments to gauge a candidate’s ability to work with PHP effectively. They play a crucial role in helping individuals and organizations identify and select competent PHP developers and programmers for various web development projects and tasks.

PHP MCQ – Question & Answer

What does PHP stand for?
a) Personal Home Page
b) Pretext Hypertext Processor
c) PHP: Hypertext Preprocessor
d) Public Hyperlink Parser

Which of the following symbols is used to denote a single-line comment in PHP?
a) //
b) #
c) —
d) /* */

Which PHP function is used to establish a database connection?
a) db_connect()
b) mysql_connect()
c) connect_db()
d) mysqli_connect()

What is the correct way to declare a variable in PHP?
a) variable $name;
b) $name = “John”;
c) var name = “John”;
d) declare $name “John”;

How can you concatenate two strings in PHP?
a) str_concat()
b) join()
c) .
d) concatenate()

In PHP, which superglobal array is used to retrieve form data sent with the GET method?
a) $_POST
b) $_GET
c) $_REQUEST
d) $_SERVER

What is the correct way to start a PHP block of code?
a) <php>
b) <?php>
c) <?
d) <?php

Which of the following is NOT a valid data type in PHP?
a) integer
b) boolean
c) char
d) float

What function is used to redirect the user to a different URL in PHP?
a) redirect()
b) header()
c) location()
d) jump()

Which operator is used for comparing both value and data type in PHP?
a) ==
b) ===
c) =
d) !=

What is the correct syntax for declaring a variable in PHP?
a) variable $name;
b) $name = “John”;
c) var name = “John”;
d) declare $name “John”;

Which PHP function is used to include the contents of one PHP file into another?
a) import()
b) require_once()
c) include_once()
d) load()

What is the result of the following code snippet?

$x = 5;
$y = “5”;
if ($x === $y) {
echo “Equal”;
} else {
echo “Not equal”;
}

a) Equal
b) Not equal
c) Error
d) Undefined

Which PHP function is used to open and read the contents of a file?
a) file_open()
b) open_file()
c) fopen()
d) read_file()

What is the purpose of the echo statement in PHP?
a) To create a variable
b) To include external files
c) To send output to the browser
d) To declare a function

In PHP, what is the correct way to write a for loop that iterates from 1 to 10?
a) for ($i = 1; $i <= 10; $i++)
b) for ($i = 1; $i < 10; $i++)
c) for ($i = 10; $i > 1; $i–)
d) for ($i = 1; $i <= 9; $i++)

What does the PHP function strlen() do?
a) Returns the current date and time
b) Returns the length of a string
c) Returns the square root of a number
d) Returns the number of elements in an array

Which PHP superglobal array is used to retrieve data sent via an HTTP POST request?
a) $_GET
b) $_REQUEST
c) $_POST
d) $_SERVER

What is the purpose of the break statement in a PHP loop?
a) To start a new loop
b) To skip the current iteration and continue to the next
c) To exit the loop prematurely
d) To increment the loop variable

How do you comment out multiple lines of code in PHP?
a) /* This is a comment */
b) # This is a comment
c) // This is a comment
d) <!– This is a comment –>