PHP Hypertext Preprocessor Quiz

What is the purpose of variables in PHP?

• To play audio files in a web application

• To create animations in a program

• To store and manipulate data within a program.

• To display images on a website

Which of the following is a valid data type in PHP?

• string

• string, integer, float, boolean, array, object, NULL

• integer

• double

What is the use of 'if' statement in PHP?

• To execute a block of code regardless of any condition.

• To execute a block of code if a specified condition is false.

• To execute a block of code if a specified condition is true.

• To execute a block of code only on weekends.

What is the purpose of a function in PHP?

• To display a message on the screen

• To group a block of code that can be reused

• To create a new variable

• To delete a file from the server

Which of the following is a correct way to declare an array in PHP?

• $arrayName = array();

• $arrayName = new Array();

• $arrayName = [];

• $arrayName = array{};

What is the use of 'fopen' function in PHP?

• To create a new file

• To open a file or URL

• To delete a file

• To close a file

Which of the following is a correct way to read a file in PHP?

• load_file() or open_file()

• write_file() or read_file()

• get_file() or access_file()

• file_get_contents() or fopen()

What is the use of 'fwrite' function in PHP?

• To send an email

• To write to a file

• To read from a file

• To create a new database

Which of the following is a correct way to close a file in PHP?

• endFile($file)

• closeFile($file)

• stopFile($file)

• fclose($file)

What is the purpose of 'file_exists' function in PHP?

• To create a new file

• To delete a file

• To check whether a file or directory exists

• To rename a file