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

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

A). $my_var

B). $my-var

C). $my var

D). my_var

What will be the output of the following PHP code?

<?php
$x = 5;
$y = 10;
echo 'The sum is: ' . ($x + $y);
?>

A). The sum is: 15

B). The sum is: 5 + 10

C). The sum is: $x + $y

D). The sum is: 510

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

A). 0

B). 1

C). 3

D). 10

What will be the output of the following PHP code?

<?php
$x = 5;
echo $x--;
echo $x;
?>

A). 5 4

B). 5 5

C). 4 4

D). 4 5

Which of the following PHP operators is used for concatenation of strings?

A). .

B). +

C). &&

D). *

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

A). count()

B). length()

C). size()

D). sizeof()

What is the correct way to declare a variable in PHP?

A). $name = 'John';

B). name = 'John';

C). var name = 'John';

D). String name = 'John';

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 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];

What will be the output of the following PHP code?

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

A). 10

B). 11

C). 9

D). Error