PHP MCQs Based online Test 1

This online test section contains the next top best multiple-choice type questions with answers (MCQs) based on PHP. This online Quiz / Practice Test is suitable for various exams conducted by various educational organizations.These Objective questions cover various aspects of PHP, from its basics to functions and features.

📝 Test Instructions

📌 Question Type Questions remain the same unless test is updated

📊 Total Questions 25

⏳ Time Limit 20 Minutes

🏆 Points 1 Point for each Question

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Question 1 of 25

Q-1. What is the best practice for running MySQL queries in PHP? Consider the risk of SQL injection.

Use mysql_query() and variables: for example: $input = $_POST[‘user_input’]; mysql_query(“INSERT INTO table (column) VALUES (‘” . $input . “‘)”);

Use PDO prepared statements and parameterized queries: for example: $input= $_POST[“user-input”] $stmt = $pdo->prepare(‘INSERT INTO table (column) VALUES (“:input”); $stmt->execute(array(‘:input’ => $input));

Use mysql_query() and string escaped variables: for example: $input= $_POST[“user-input”] $input_safe = mysql_real_escape_string($input); mysql_query(“INSERT INTO table (column) VALUES (‘” . $input. “‘)”);

Use mysql_query() and variables with a blacklisting check: for example: $blacklist = array(“DROP”,”INSERT”,”DELETE”); $input= $_POST[“user-input”] if (!$array_search($blacklist))) mysql_query(“INSERT INTO table (column) VALUES (‘” . $input. “‘)”);

Your Answer : Correct

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Question 2 of 25

Q-2. Which of the following methods should be used for sending an email using the variables $to, $subject, and $body?

mail($to,$subject,$body)

sendmail($to,$subject,$body)

mail(to,subject,body)

sendmail(to,subject,body)

Your Answer : Correct

Your Answer : Incorrect

Question 3 of 25

Q-3. Which of the following is used to maintain the value of a variable over different pages?

static

global

session_register()

None of these

Your Answer : Correct

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Question 4 of 25

Q-4. Which of the following will check if a function exists?

function_exists()

has_function()

$a = “function to check”; if ($a ()) // then function exists

None of these

Your Answer : Correct

Your Answer : Incorrect

Question 5 of 25

Q-5. Which of the following is not a file-related function in PHP?

fclose

fopen

fwrite

fgets

fappend

Your Answer : Correct

Your Answer : Incorrect

Question 6 of 25

Q-6. What does PHP stand for?

Personal Home Page

Pretext Hyperlink Page

Hypertext Preprocessor

Private Hyperlink Processor

Your Answer : Correct

Your Answer : Incorrect

Question 7 of 25

Q-7. Which of the following tags is used to embed PHP code within an HTML document?

<?php ?>

<? ?>

Your Answer : Correct

Your Answer : Incorrect

Question 8 of 25

Q-8. Which PHP function is used to display text on the web page?

echo()

print()

display()

show()

Your Answer : Correct

Your Answer : Incorrect

Question 9 of 25

Q-9. What is the correct way to start a PHP script?

<?php

<?php?

Your Answer : Correct

Your Answer : Incorrect

Question 10 of 25

Q-10. Which of the following is NOT a PHP data type?

integer

float

boolean

char

Your Answer : Correct

Your Answer : Incorrect

Question 11 of 25

Q-11. What is the operator used for concatenating two strings in PHP?

Your Answer : Correct

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Question 12 of 25

Q-12. Which PHP superglobal variable is used to collect form data after submitting an HTML form with the "post" method?

$_GET

$_POST

$_REQUEST

$_SERVER

Your Answer : Correct

Your Answer : Incorrect

Question 13 of 25

Q-13. How do you comment a single line in PHP?

// This is a comment

# This is a comment

/* This is a comment */

All of the above

Your Answer : Correct

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Question 14 of 25

Q-14. What function is used to open a file in PHP for reading?

fopen()

readfile()

file_open()

openfile()

Your Answer : Correct

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Question 15 of 25

Q-15. Which of the following PHP functions is used to remove whitespace from the beginning and end of a string?

rtrim()

trim()

ltrim()

strip()

Your Answer : Correct

Your Answer : Incorrect

Question 16 of 25

Q-16. What does the acronym "SQL" stand for?

Standard Query Language

Structured Query Language

System Query Language

Simple Query Language

Your Answer : Correct

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Question 17 of 25

Q-17. Which PHP function is used to execute an SQL query?

query()

execSQL()

sql_query()

mysqli_query()

Your Answer : Correct

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Question 18 of 25

Q-18. What does the PHP function "include()" do?

It includes a file and evaluates its contents.

It includes a file as is, without evaluating its contents.

It includes a file and stores its contents in a variable.

It includes a file only if it exists; otherwise, it returns an error.

Your Answer : Correct

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Question 19 of 25

Q-19. In PHP, what is the purpose of the "SESSION" superglobal?

To store user session data

To store global variables

To store form data

To store database connections

Your Answer : Correct

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Question 20 of 25

Q-20. Which PHP function is used to redirect the user to a different URL?

redirect()

header()

location()

move()

Your Answer : Correct

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Question 21 of 25

Q-21. What does the PHP function "mysqli_connect()" do?

Connects to a MySQL database

Connects to a Microsoft SQL Server database

Connects to an Oracle database

Connects to a PostgreSQL database

Your Answer : Correct

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Question 22 of 25

Q-22. Which of the following is the correct way to start a session in PHP?

start_session()

session_start()

begin_session()

open_session()

Your Answer : Correct

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Question 23 of 25

Q-23. What does the PHP function "strlen()" do?

Converts a string to lowercase

Returns the length of a string

Counts the number of words in a string

Reverses a string

Your Answer : Correct

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Question 24 of 25

Q-24. What is the correct way to end a PHP script?

</php>

<?/>

<?php end; ?>

No explicit ending is required

Your Answer : Correct

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Question 25 of 25

Q-25. What does the PHP function "isset()" check for?

If a variable is empty

If a variable is defined and is not null

If a variable is numeric

If a variable is a string

Your Answer : Correct

Your Answer : Incorrect

EXAMRADAR

PHP MCQs Based online Test 1

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