myFunction and MyFunction would be considered different functions.
How do you define parameters in a PHP function?
A). Parameters are defined within parentheses after the function name
B). Parameters are defined using the keyword 'param'
C). Parameters are defined using curly braces {}
D). Parameters are defined using square brackets []
Which PHP keyword is used to declare a variable-length argument list in a function?
A). vararg
B). args
C). params
D). ...$args
Which PHP feature allows defining functions within other functions?
A). Nested functions
B). Inner functions
C). Enclosed functions
D). Internal functions
What is the output of the following PHP code?<?php
function multiply(...$args) {
$result = 1;
foreach ($args as $value) {
$result *= $value;
}
return $result;
}
echo multiply(2, 3, 4);
?>
A). 24
B). 9
C). 6
D). 2
What is the significance of passing functions as arguments in PHP?
A). It allows functions to be called multiple times
B). It simplifies the function definition process
C). It enables dynamic function invocation and behavior
D). It prevents code duplication
What is the syntax for calling a function in PHP?
A). callFunction()
B). function callFunction()
C). callFunction
D). callFunction;
What will be the output of the following PHP code?<?php
function outer() {
function inner() {
echo 'Inner function';
}
}
inner();
?>
A). Inner function
B). Function does not exist: inner
C). Undefined function: inner
D). Function inner() { echo 'Inner function'; }
Which of the following statements about return types in PHP functions is true?
A). PHP functions must always have a return type
B). PHP functions can have a return type specified using the 'returns' keyword
C). PHP functions can have a return type specified using the 'return' keyword
D). PHP functions can have a return type declared using type declarations
Which of the following statements about variable scope in PHP functions is true?
A). Variables defined inside a function have global scope
B). Variables defined outside a function have local scope
C). Variables defined inside a function have local scope
D). Variables defined outside a function have global scope
What is the purpose of the return statement in PHP functions?
A). To terminate the function execution
B). To output a value from the function and terminate its execution
C). To define the function name
D). To declare a variable within the function