PHP round-PHP Tutorial-php.cn

Table of Contents

Working of round Function in PHP

Examples of PHP round

Example #3

Home

Backend Development

PHP Tutorial

PHP round

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Aug 29, 2024 pm 01:10 PM

php

Whenever there is a need to round up or round down the given floating-point number to the nearest integer, we make use of a function called round function in PHP. It takes three parameters, namely number, precision and mode. Where number is the floating-point number that has been rounded up or rounded down to the nearest integer. Precision signifies the number of decimal digits that are to be rounded to, and this parameter is optional, and mode is a constant that specifies the rounding mode, and this parameter is also optional whose values can be either PHP_ROUND_HALF_UP, PHP_ROUND_HALF_DOWN, PHP_ROUND_HALF_EVEN or PHP_ROUND_HALF_ODD.

Start Your Free Software Development Course

Web development, programming languages, Software testing & others

Syntax to declare a round function in PHP:

round(number, precision, mode)

Copy after login

Where,

the number is the floating-point number that is be rounded up or rounded down to the nearest integer.
Precision signifies the number of decimal digits that are to be rounded to, and this parameter is optional.
Mode is a constant that specifies the rounding mode, and this parameter is also optional, whose values can be either PHP_ROUND_HALF_UP, PHP_ROUND_HALF_DOWN, PHP_ROUND_HALF_EVEN or PHP_ROUND_HALF_ODD.

Working of round Function in PHP

Whenever there is a need to round up or round down the given floating-point number to the nearest integer, we make use of a function called round function in PHP.
The round function in PHP takes three parameters, namely number, precision and mode.
The parameter number is the floating-point number that is be rounded up or rounded down to the nearest integer.
The parameter precision signifies the number of decimal digits to be rounded to, which is optional.
The parameter mode is a constant that specifies the rounding mode, and this parameter is also optional, whose values can be either PHP_ROUND_HALF_UP, PHP_ROUND_HALF_DOWN, PHP_ROUND_HALF_EVEN or PHP_ROUND_HALF_ODD.

Examples of PHP round

Given below are the examples of PHP round:

Example #1

PHP program to illustrate the working of round function to round off the given floating-point integers to the nearest integers up to three decimal values.

Code:

<html>
<body>
<?php
#round function is used on the given floating point number to round to up to three decimal values and is stored in a variable called a
$a = round(6.7654,3);
#round function is used on the given floating point number to round to up to three decimal values and is stored in a variable called b
$b = round(2.98765,3);
#round function is used on the given floating point number to round to up to three decimal values and is stored in a variable called c
$c = round(5.87654,3);
#The result after using the round function is displayed as the output on the screen
echo("The value after the given floating point number is rounded to the nearest integer is: ");
echo $a;
echo "<br>";
echo("The value after the given floating point number is rounded to the nearest integer is: ");
echo $b;
echo "<br>";
echo("The value after the given floating point number is rounded to the nearest integer is: ");
echo $c;
echo "<br>";
?>
</body>
</html>

Copy after login

Output:

PHP round

In the above program, the round function is used to round the given floating-point integers to the nearest integer up to three decimal values and is stored in the variables called a, b and c. Then, the result after rounding the given floating-point integers to the nearest integers2 up to decimal values specified in the round function is displayed as the output on the screen.

Example #2

PHP program to illustrate the working of round function to round off the given floating-point integers to the nearest integers up to one decimal value.

Code:

<html>
<body>
<?php
#round function is used on the given floating point number to round to up to three decimal values and is stored in a variable called a
$a = round(8.37465,1);
#round function is used on the given floating point number to round to up to three decimal values and is stored in a variable called b
$b = round(1.09456,1);
#round function is used on the given floating point number to round to up to three decimal values and is stored in a variable called c
$c = round(3.87654,1);
#The result after using the round function is displayed as the output on the screen
echo("The value after the given floating point number is rounded to the nearest integer is: ");
echo $a;
echo "<br>";
echo("The value after the given floating point number is rounded to the nearest integer is: ");
echo $b;
echo "<br>";
echo("The value after the given floating point number is rounded to the nearest integer is: ");
echo $c;
echo "<br>";
?>
</body>
</html>

Copy after login

Output:

PHP round

Example #3

PHP program to illustrate the working of round function to round off the given floating-point integers to the nearest integers up to two decimal values.

Code:

<html>
<body>
<?php
#round function is used on the given floating point number to round to up to three decimal values and is stored in a variable called a
$a = round(4.273645,2);
#round function is used on the given floating point number to round to up to three decimal values and is stored in a variable called b
$b = round(7.45567,2);
#round function is used on the given floating point number to round to up to three decimal values and is stored in a variable called c
$c = round(9.3778335,2);
#The result after using the round function is displayed as the output on the screen
echo("The value after the given floating point number is rounded to the nearest integer is: ");
echo $a;
echo "<br>";
echo("The value after the given floating point number is rounded to the nearest integer is: ");
echo $b;
echo "<br>";
echo("The value after the given floating point number is rounded to the nearest integer is: ");
echo $c;
echo "<br>";
?>
</body>
</html>

Copy after login

Output:

PHP round

The above is the detailed content of PHP round. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress images for free

Clothoff.io

AI clothes remover

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)

4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

R.E.P.O. Best Graphic Settings

4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Assassin's Creed Shadows: Seashell Riddle Solution

2 weeks ago By DDD

R.E.P.O. How to Fix Audio if You Can't Hear Anyone

4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

R.E.P.O. Chat Commands and How to Use Them

4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Hot Topics

Where is the login entrance for gmail email?

7519

CakePHP Tutorial

1378

What is the format of the account name of steam

win11 activation key permanent

nyt connections hints and answers

Related knowledge

PHP 8.4 Installation and Upgrade guide for Ubuntu and Debian Dec 24, 2024 pm 04:42 PM

PHP 8.4 brings several new features, security improvements, and performance improvements with healthy amounts of feature deprecations and removals. This guide explains how to install PHP 8.4 or upgrade to PHP 8.4 on Ubuntu, Debian, or their derivati

How To Set Up Visual Studio Code (VS Code) for PHP Development Dec 20, 2024 am 11:31 AM

Visual Studio Code, also known as VS Code, is a free source code editor — or integrated development environment (IDE) — available for all major operating systems. With a large collection of extensions for many programming languages, VS Code can be c

7 PHP Functions I Regret I Didn't Know Before Nov 13, 2024 am 09:42 AM

If you are an experienced PHP developer, you might have the feeling that you’ve been there and done that already.You have developed a significant number of applications, debugged millions of lines of code, and tweaked a bunch of scripts to achieve op

How do you parse and process HTML/XML in PHP? Feb 07, 2025 am 11:57 AM

This tutorial demonstrates how to efficiently process XML documents using PHP. XML (eXtensible Markup Language) is a versatile text-based markup language designed for both human readability and machine parsing. It's commonly used for data storage an

Explain JSON Web Tokens (JWT) and their use case in PHP APIs. Apr 05, 2025 am 12:04 AM

JWT is an open standard based on JSON, used to securely transmit information between parties, mainly for identity authentication and information exchange. 1. JWT consists of three parts: Header, Payload and Signature. 2. The working principle of JWT includes three steps: generating JWT, verifying JWT and parsing Payload. 3. When using JWT for authentication in PHP, JWT can be generated and verified, and user role and permission information can be included in advanced usage. 4. Common errors include signature verification failure, token expiration, and payload oversized. Debugging skills include using debugging tools and logging. 5. Performance optimization and best practices include using appropriate signature algorithms, setting validity periods reasonably,

PHP Program to Count Vowels in a String Feb 07, 2025 pm 12:12 PM

A string is a sequence of characters, including letters, numbers, and symbols. This tutorial will learn how to calculate the number of vowels in a given string in PHP using different methods. The vowels in English are a, e, i, o, u, and they can be uppercase or lowercase. What is a vowel? Vowels are alphabetic characters that represent a specific pronunciation. There are five vowels in English, including uppercase and lowercase: a, e, i, o, u Example 1 Input: String = "Tutorialspoint" Output: 6 explain The vowels in the string "Tutorialspoint" are u, o, i, a, o, i. There are 6 yuan in total

Explain late static binding in PHP (static::). Apr 03, 2025 am 12:04 AM

Static binding (static::) implements late static binding (LSB) in PHP, allowing calling classes to be referenced in static contexts rather than defining classes. 1) The parsing process is performed at runtime, 2) Look up the call class in the inheritance relationship, 3) It may bring performance overhead.

What are PHP magic methods (__construct, __destruct, __call, __get, __set, etc.) and provide use cases? Apr 03, 2025 am 12:03 AM

What are the magic methods of PHP? PHP's magic methods include: 1.\_\_construct, used to initialize objects; 2.\_\_destruct, used to clean up resources; 3.\_\_call, handle non-existent method calls; 4.\_\_get, implement dynamic attribute access; 5.\_\_set, implement dynamic attribute settings. These methods are automatically called in certain situations, improving code flexibility and efficiency.

See all articles