What will be the output of the following PHP code?

$x = 10;
echo ++$x;
?>

What will be the result of the expression 10 % 3 in PHP?

A). 0

B). 1

C). 3

D). 10

Which of the following PHP functions is used to find the length of an array?

A). count()

B). length()

C). size()

D). sizeof()

Which of the following is a valid variable name in PHP?

A). $my_var

B). $my-var

C). $my var

D). my_var

Which of the following PHP functions is used to convert a string to uppercase?

A). strtoupper()

B). ucwords()

C). strtolower()

D). ucfirst()

What data type is the variable $age = 25; in PHP?

A). Integer

B). String

C). Boolean

D). Float

Which of the following is a correct way to assign a floating-point number to a variable in PHP?

A). $price = 10.99;

B). $price = '10.99';

C). $price = '10.99';

D). $price = 10;

Which of the following PHP operators is used to compare whether two values are equal and of the same data type?

A). ===

B). ==

C). =

D). !=

What is the purpose of the following PHP code?

<?php
$colors = array('Red', 'Green', 'Blue');
foreach ($colors as $color) {
echo $color . '
';
}
?>

A). To loop through an array and print each element

B). To check if a variable is an array

C). To reverse the elements of an array

D). To create a new array

What does the following PHP code output?

<?php
$x = '10';
$y = 20;
echo $x + $y;
?>

A). 30

B). 1020

C). Error

D). 102

What will be the output of the following PHP code?

<?php
$name = 'John';
echo 'Hello, $name!';
?>

A). Hello, John!

B). Hello, $name!

C). Hello, !

D). Undefined variable: name