FUNCTION PHP

What is the purpose of a PHP function?

• To store variables

• To execute a specific task

• To print HTML code

• To create classes

Which keyword is used to declare a function in PHP?

• method

• func

• def

• function

Which of the following is true about function names in PHP?

• They cannot start with a number

• They cannot contain special characters

• They are case-insensitive

• They must always start with a dollar sign ($)

What does the keyword "return" do in a PHP function?

• It terminates the function

• It echoes a message

• It sends a value back to the calling code

• It generates an error

Which of the following statements about parameters in PHP functions is true?

• Functions cannot accept parameters

• Parameters are optional

• Parameters are enclosed in curly braces {}

• Parameters are placeholders for values passed to the function

What is the purpose of the "global" keyword in PHP functions?

• To declare a variable as local to the function

• To access a variable declared outside of the function

• To define a constant

• To include another PHP file

What is the default scope of a PHP function if no scope is specified?

• Global

• Local

• Protected

• Private

What is the purpose of the "static" keyword in a PHP function?

• To define a constant

• To declare a variable as local to the function

• To retain the value of a variable between function calls

• To include another PHP file