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

Answer & Solution

Answer: Option A
Solution:
Floating-point numbers in PHP are assigned using the decimal point. Therefore, the correct way to assign a floating-point number 10.99 to a variable $price is $price = 10.99;. Assigning it as a string or an integer will result in a different data type.
Related Questions on Average

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

A). 0

B). 1

C). 3

D). 10

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

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

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 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

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';

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

A). .

B). +

C). &&

D). *

What does the following PHP code output?

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

A). 30

B). 1020

C). Error

D). 102

What is the purpose of the following PHP function?

strlen('Hello')

A). Returns the length of a string

B). Converts a string to lowercase

C). Checks if a string contains a substring

D). Returns the first occurrence of a substring in a string

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