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

Answer & Solution

Answer: Option A
Solution:
The $count++; syntax is used to increment the value of a variable by 1 in PHP. It is equivalent to $count = $count + 1;. Therefore, $count++; is the correct way to increment the value of the variable $count by 1.
Related Questions on Average

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 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 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 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 PHP functions is used to convert a string to uppercase?

A). strtoupper()

B). ucwords()

C). strtolower()

D). ucfirst()

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 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 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

What does the following PHP code output?

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

A). 30

B). 1020

C). Error

D). 102