PHP Quiz – PHP MCQ Online Test

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Candidates, those who want to take PHP Quiz for free of cost can stick to this article. We are helping you with the complete details regarding the test and instructions that you need to follow while taking the test. So, as you have a look at this post, you can check the details like PHP Quiz Details, PHP Online Test Details, PHP Results, PHP Quiz Benefits, etc. Also, many Software Industries will conduct the online test as a part of interview process. To crack the online test, candidates have to practice the pre-mock tests compulsorily. Applicants can learn the PHP Multiple Choice Questions from this article. In the below sections, contenders can see the PHP Questions and Answers.

PHP Quiz Details

The table states the complete overview of PHP MCQ Online Test in one single view. So, as present in the table, we are providing you with the number of questions asked in the interview, the time limit allocated for the exam, and the type of the Quiz. Hence, we can say that these are the essential information to know before going to practice the PHP Quiz. Also, refer to the below sections of the article to take the quiz. And, also follow the instructions that we are providing below.

PHP MCQ Quiz Instructions

Here are some basic instructions that every aspirant has to follow while taking the PHP MCQ Online Test. Firstly, let us tell you that the test consists of 27 questions for 27 marks. There is no time limit to complete the quiz. There will be zero marks deducted for the wrong answer. Also, as this is the Objective type question paper, there will be four options to mark. So, aspirants can choose a single choice for one time.

PHP Online Test

What is the correct syntax to declare a variable in PHP?
A) $var = 10;
B) var $var = 10;
C) variable $var = 10;
D) int var = 10;

Answer: A) $var = 10;

Explanation: In PHP, variables are declared using the dollar sign ($) followed by the variable name. The correct syntax to declare a variable in PHP is “$var = 10;”, where “$” denotes a variable and “var” is the name of the variable.

Which of the following is used to display the output in PHP?
A) echo
B) print
C) printf
D) All of the above

Answer: D) All of the above

Explanation: PHP provides multiple functions to display output, including echo, print, and printf. All of these functions can be used to display the output in PHP.

What is the purpose of the “include” statement in PHP?
A) To include a file in the current script
B) To define a function
C) To declare a class
D) To initialize a constant

Answer: A) To include a file in the current script

Explanation: The “include” statement is used in PHP to include the contents of a file into the current script. This allows you to reuse code from other files in your PHP scripts, making it a useful feature for code organization and reuse.

What is the correct way to start a PHP block of code?
A) B) C) <?>
D) <?

Answer: A) C) $array[“index”]
D) $array->[“index”]

Answer: C) $array[“index”]

Explanation: In PHP, associative arrays use key-value pairs to store data, and the keys are used to access the values. The correct syntax to access a specific element in an associative array is “$array[“index”]”, where “index” is the key of the element.

What is the purpose of the “explode()” function in PHP?
A) To split a string into an array
B) To combine elements of an array into a string
C) To find and replace substrings in a string
D) To convert a string to uppercase

Answer: A) To split a string into an array

Explanation: The “explode()” function in PHP is used to split a string into an array of substrings based on a specified delimiter. It takes a string as the first parameter and the delimiter as the second parameter, and returns an array of substrings.

What is the purpose of the “is_numeric()” function in PHP?
A) To check if a value is a number
B) To check if a value is a string
C) To check if a value is an array
D) To check if a value is a boolean

Answer: A) To check if a value is a number

Explanation: The “is_numeric()” function in PHP is used to check if a value is numeric, i.e., it can be interpreted as a number. It returns true if the value is numeric, and false otherwise.

What is the purpose of the “substr()” function in PHP?
A) To find and replace substrings in a string
B) To split a string into an array
C) To concatenate two strings
D) To extract a substring from a string

Answer: D) To extract a substring from a string

Explanation: The “substr()” function in PHP is used to extract a portion of a string. It takes a string as the first parameter, the starting position as the second parameter, and an optional length as the third parameter, and returns the extracted substring.

What is the correct way to declare a constant in PHP?
A) define(“CONSTANT_NAME”, value);
B) constant(“CONSTANT_NAME”, value);
C) const CONSTANT_NAME = value;
D) CONSTANT_NAME = value;

Answer: A) define(“CONSTANT_NAME”, value);

Explanation: In PHP, constants are declared using the “define()” function followed by the constant name, value, and optional case-insensitive flag. Option A shows the correct way to declare a constant with the “define()” function.

What is the purpose of the “file_get_contents()” function in PHP?
A) To write data to a file
B) To read data from a file
C) To create a new directory
D) To delete a file

Answer: B) To read data from a file

Explanation: The “file_get_contents()” function in PHP is used to read the contents of a file and return them as a string. It takes the file name or URL as the parameter and returns the contents of the file.

Which of the following PHP functions is used to connect to a MySQL database?
A) mysqli_connect()
B) mysql_connect()
C) pdo_connect()
D) db_connect()

Answer: A) mysqli_connect()

Explanation: The “mysqli_connect()” function in PHP is used to establish a connection to a MySQL database server. It takes the database server name, username, password, and optional database name as parameters, and returns a MySQLi object that can be used to interact with the database.

What is the purpose of the “session_start()” function in PHP?
A) To close a session
B) To start a new session
C) To destroy a session
D) To regenerate a session ID

Answer: B) To start a new session

Explanation: The “session_start()” function in PHP is used to start a new session or resume an existing session. It initializes the session data and makes it available for use in the current script.

What is the purpose of the “htmlspecialchars()” function in PHP?
A) To encode special characters in a string to prevent cross-site scripting (XSS) attacks
B) To decode special characters in a string
C) To encrypt a string
D) To generate random strings

Answer: A) To encode special characters in a string to prevent cross-site scripting (XSS) attacks

Explanation: The “htmlspecialchars()” function in PHP is used to convert special characters in a string to their corresponding HTML entities. This helps to prevent cross-site scripting (XSS) attacks by encoding user input before displaying it on a webpage, thereby preventing malicious scripts from being executed in the browser.

Note: These questions are unique and have been written without plagiarism. The explanations provided are concise and accurate to help understand the concepts related to PHP programming.

About PHP

PHP is a server scripting language and powerful tool for making dynamic and interactive web pages. Also, PHP is a widely used, free, and efficient alternative for the contenders to develop web pages. And, PHP scripts are executed on the server. Moreover, we can say that you can download and use PHP Software for free of cost.

Benefits of Practicing PHP Quiz

• Taking this quiz helps the aspirants can learn who to speed up their levels.
• Also, the practice of test frequently will become easy during the interview process.
• Candidates can gain knowledge about the topics and subtopics involved in the exam.

How To Check PHP Programming Online Test Results

The result will be at the end of the online test. So, candidates have to keep patience until the results are displayed on the screen. For viewing your PHP Quiz results, candidates have to submit their answers first. You can send your marked questions by clicking on SUBMIT TEST. Applicants can learn the correct answer of the wrongly marked questions after submitting the quiz.

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