


Analysis of the difference between sprintf and printf function usage in php_PHP tutorial
Here is an example: round to two decimal places
$num1 = 21;
echo sprintf( "%0.2f",$num1)."
"; //Output 21.00
$num2 = 16.3287;
echo sprintf("%0.2f",$num2)."< br />"; //Output 16.33
$num3 = 32.12329;
echo sprintf("%0.2f",$num3)."
"; //Output 32.12
?>
Explain the meaning of %0.2f:
% means the starting character
0 means fill the space with 0
2 means there must be two digits after the decimal point
f means convert to floating point number
Convert characters
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
% Print out the percent symbol, Not converted.
b Convert integer to binary.
c Convert integer to corresponding ASCII character.
d Convert integer to decimal.
F times precision numbers are converted into floating point numbers.
o Convert integer to octal.
s Convert integers to strings.
x integer is converted to lower case hexadecimal.
X Convert integer to uppercase hexadecimal.
The difference between printf and sprintf
1. printf function:
int printf ( string format [, mixed args [, mixed ...]] )
Produces output according to format , which is described in the documentation for sprintf() .
Returns the length of the outputted string.
Format the text and then output it, such as:
$name="hunte";
$age=25;
printf("my name is %s, age %d", $name, $age);
2. sprintf function:
string sprintf ( string format [, mixed args [, mixed ...]] )
Returns a string produced according to the formatting string format .
Similar to printf, but does not print, but returns formatted text. Others are the same as printf.
3. print function:
is a function that can return a value and can only have one parameter.
int print (string arg)
Outputs arg . Returns 1 , always.

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

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

In this chapter, we will understand the Environment Variables, General Configuration, Database Configuration and Email Configuration in CakePHP.

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

To work with date and time in cakephp4, we are going to make use of the available FrozenTime class.

To work on file upload we are going to use the form helper. Here, is an example for file upload.

In this chapter, we are going to learn the following topics related to routing ?

CakePHP is an open-source framework for PHP. It is intended to make developing, deploying and maintaining applications much easier. CakePHP is based on a MVC-like architecture that is both powerful and easy to grasp. Models, Views, and Controllers gu

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

Validator can be created by adding the following two lines in the controller.
