WEB ESSENTIAL UNIT 4

What does PHP stand for?

• Personal Home Page

• Private Hypertext Protocol

• Programming Hypertext Processor

• PHP: Hypertext Preprocessor

Is PHP a server-side or client-side language?

• both server-side and client-side

• none of the above

• client-side

• server-side

What symbol is used to declare a variable in PHP?

• @

• $

• %

• &

What is a constant in PHP?

• A constant in PHP is a data structure that holds multiple values.

• A constant in PHP is a variable that can change value.

• A constant in PHP is a type of function.

• A constant in PHP is a fixed value that cannot be altered during script execution.

Which operator is used for addition in PHP?

• *

• +

• -

• /

What is a loop used for in programming?

• A loop is used to create user interfaces.

• A loop is used to store data temporarily.

• A loop is used to execute a block of code repeatedly.

• A loop is used to define variables.

What type of data structure is an array?

• A tree data structure.

• A linear data structure.

• A non-linear data structure.

• A hash table data structure.

How do you create a string in PHP?

• You create a string in PHP by using single quotes or double quotes.

• You create a string in PHP by using angle brackets.

• You create a string in PHP by using parentheses.

• You create a string in PHP by using curly braces.

What is the purpose of a function in PHP?

• To store data in a database

• The purpose of a function in PHP is to encapsulate code for reuse and organization.

• To handle user input validation

• To create HTML elements

How can you read a file in PHP?

• Read files using the readfile() function only.

• Access file data through a database query.

• Use echo to display file contents directly.

• Use file_get_contents('filename.txt') or fopen() and fread() for reading files in PHP.