Question 1

the _____function returns the square root of a number:

Accepted Answer

The sqrt() function is used to find the square root of a specified number.

Question 2

The _____function rounds a floating-point number to its nearest integer:

Accepted Answer

The round() function is used to round a floating-point number to its nearest integer.

Question 3

The _______ function generates a random number:

Accepted Answer

The rand function is used to generate a random number.

Question 4

To create a constant, use the _____ function.is used

Accepted Answer

The define() function is used to create a constant in PHP. Constants are similar to variables, but their value cannot be changed once they are set.

Question 5

In PHP7, you can create an Array constant using the ____ function.

Accepted Answer

The `define()` function in PHP allows you to define a constant, including an array constant in PHP 7 and later versions. This feature was introduced in PHP 7, enabling the creation of array constants with the `define()` function, whereas previously, only scalar and null values could be used as constants with this function.

Question 6

The ____statement is used to perform different actions based on different conditions.

Accepted Answer

The "switch" statement is used to perform different actions based on different conditions. It allows a program to evaluate an expression and attempt to match the expression's value to a case label. If a match is found, the program executes the associated block of code.

Question 7

The PHP ____function formats a timestamp to a more readable date and time.

Accepted Answer

The date() function in PHP is used to format a timestamp into a more readable date and time format.

Question 8

A ______is a small file that the server embeds on the user's computer. Each time the same computer requests a page with a browser, it will send the cookie too. With PHP, you can both create and retrieve cookie values.

Accepted Answer

A cookie is indeed a small file placed on the user's computer by the server, which is sent back to the server each time the browser requests a page. This allows the server to recognize and track the web browser.

Question 9

A ______ is a way to store information (in variables) to be used across multiple pages.

Accepted Answer

A session is a way to store information (in variables) to be used across multiple pages.

Question 10

_______are the two main aspects of object-oriented programming.

Accepted Answer

Classes and objects are the foundational concepts of object-oriented programming, where classes define the blueprint for objects, and objects are instances of classes.

Question 11

A ______allows you to initialize an object's properties upon creation of the object.

Accepted Answer

A constructor is a special type of method in a class that is automatically called when an instance of the class is created. It is primarily used to initialize the object's properties or to perform any setup steps required.

Question 12

If you create a __construct() function, PHP will automatically call this function when you create an object from a class.

Accepted Answer

The __construct() function in PHP is a magic method that is automatically called when an object is created from a class, making option A true.

Question 13

A ______is called when the object is destructed or the script is stopped or exited.

Accepted Answer

A destructor is a special method called automatically when an object is destroyed or the script ends, handling cleanup tasks.

Question 14

If you create a __destruct() function, PHP will automatically call this function at the end of the script.

Accepted Answer

The __destruct() function in PHP is a magic method that is automatically called at the end of the script, or when the object is no longer referenced.

Question 15

URL stands for ____________ .

Accepted Answer

URL stands for Uniform Resource Locator, which is a reference or address used to access resources on the internet.

Question 16

The __________ array contains information from the web server.

Accepted Answer

The S_server array contains information from the web server, such as server settings and environment variables.

Question 17

The _________ works through request header and response.

Accepted Answer

Authentication often involves exchanging information through request headers and responses, especially in web contexts. This process helps verify the identity of a user or system.

Question 18

_____________ is a php super global variable which is used to access global variable from anywhere in PHP script.

Accepted Answer

The correct answer is B) $_GLOBAL, which is a PHP superglobal variable used to access global variables from anywhere in a PHP script. The correct syntax is actually $_GLOBALS, with an 'S' at the end, but given the options and common understanding, B is the closest and correct choice. Superglobals are built-in variables that are always available in all scopes.

Question 19

The size of file can be limited using _________ limit and _____________ limit.

Accepted Answer

The size of a file can be limited using "soft" and "hard" limits. Soft limits can be exceeded for a certain period, while hard limits cannot be exceeded.

Question 20

How do you create cookie in PHP by ________.

Accepted Answer

set-cookie() is a PHP function used to create a cookie.

Quiz 1: PHP and SQL Functions and Concepts