Home Backend Development PHP Tutorial php: Detailed explanation of echo usage examples

php: Detailed explanation of echo usage examples

Jun 24, 2017 pm 02:09 PM
echo php Example usage Detailed explanation

Official manual description:

Definition and Usage
Definition and Usage
The echo() function outputs one or more strings.
echo()The function is used to output one or more strings.
Syntax
Syntax
echo(strings)
Parameter Parameter Description
strings Required. One or more strings to be sent to the output
Required parameters . Specify one or more strings that need to be sent to the results
Tips and Notes
Tips and Notes
Note: The echo() function is not actually a function, so you are not required to use parentheses with it. However, if you want to pass more than one parameter to echo(), using parentheses will generate a parse error.
Note: The echo() function is not a real function, so you don’t have to Go use it. If you want to pass more than one argument to the echo() function, using parentheses "()" will generate an error.
Tip: The echo() function is slightly faster than print().
Tip: The echo() function is equivalent to a simplified version of the print() function.
Tip: The echo() function has the following shortcut syntax. See example 5.
Tip: The echo() function has the following shortcut syntax. For details, see: Case 5.
Example 1
Case 1

<?php 
$str = "Who&#39;s Kai Jim?"; 
echo $str; 
echo "<br />"; 
echo $str."<br />I don&#39;t know!"; 
?>
Copy after login

The output of the code above will be:
The above code will output the following results:
Who's Kai Jim?Who's Kai Jim?I don 't know!

Case 2

<?php 
echo "This textspans multiplelines."; 
?>
Copy after login

The output of the code above will be:
The above code will output the following result:
This text spans multiple lines.

Case 3

<?php 
echo &#39;This &#39;,&#39;string &#39;,&#39;was &#39;,&#39;made &#39;,&#39;with multiple parameters&#39;; 
?>
Copy after login

The output of the code above will be:
The above code will output the following results:
This string was made with multiple parameters

Case 4
Difference of single and double quotes. Single quotes will print the variable name, not the value:
Difference between single quotes (') and double quotes ("). Single quotes will print Output variable name instead of the value of the variable:

<?php 
$color = "red"; 
echo "Roses are $color"; 
echo "<br />"; 
echo &#39;Roses are $color&#39;; 
?>
Copy after login

The output of the code above will be:
The above code will output the following results:
Roses are redRoses are $color

Case 5
Shortcut syntax:
Shortcut (shortcut) syntax:

<html>
<body> 
<?php 
$color = "red"; 
?>
<p>Roses are <?=$color?></p>
</body>
</html>
Copy after login

The above is the detailed content of php: Detailed explanation of echo usage examples. 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

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Repo: How To Revive Teammates
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

CakePHP Project Configuration CakePHP Project Configuration Sep 10, 2024 pm 05:25 PM

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

PHP 8.4 Installation and Upgrade guide for Ubuntu and Debian 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

CakePHP Date and Time CakePHP Date and Time Sep 10, 2024 pm 05:27 PM

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

CakePHP File upload CakePHP File upload Sep 10, 2024 pm 05:27 PM

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

CakePHP Routing CakePHP Routing Sep 10, 2024 pm 05:25 PM

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

Discuss CakePHP Discuss CakePHP Sep 10, 2024 pm 05:28 PM

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

How To Set Up Visual Studio Code (VS Code) for PHP Development 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

CakePHP Creating Validators CakePHP Creating Validators Sep 10, 2024 pm 05:26 PM

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

See all articles