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

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;

What will be the value of the variable $result after executing the following PHP code?

<?php
$x = 5;
$result = ($x > 10) ? 'Yes' : 'No';
?>

A). Yes

B). No

C). True

D). False

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;
echo $x--;
echo $x;
?>

A). 5 4

B). 5 5

C). 4 4

D). 4 5

What will be the output of the following PHP code?

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

A). 10

B). 11

C). 9

D). Error

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

Which of the following statements is true about PHP comments?

A). Comments are ignored by the PHP interpreter

B). Comments can only be single-line

C). Comments must start with /* and end with */

D). Comments are displayed on the webpage

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