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

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 for concatenation of strings?

A). .

B). +

C). &&

D). *

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

What will be the result of the expression 'Hello' . ' World' in PHP?

A). 'Hello World'

B). 'Hello . World'

C). 'Hello + World'

D). 'Hello, World'

What will be the output of the following PHP code?

<?php
$x = 10;
$y = 5;
echo $x + $y;
?>

A). 15

B). 5

C). 10

D). Error

Which of the following is a correct way to increment the value of a variable $count by 1 in PHP?

A). $count++;

B). $count += 1;

C). $count = $count + 1;

D). $count =+ 1;

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

A). 0

B). 1

C). 3

D). 10

What is the value of $x after the following PHP code is executed?

<?php
$x = 5;
$x += 3;
echo $x;
?>

A). 5

B). 8

C). 15

D). 3

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

A). $colors = array('Red', 'Green', 'Blue');

B). $colors = 'Red, Green, Blue';

C). $colors = {'Red', 'Green', 'Blue'};

D). $colors = [Red, Green, Blue];