How to add multiple lines in php

PHP is a server-side scripting language widely used in web development. PHP is widely popular for its advantages of being easy to learn, easy to use, and powerful. This article will introduce how to add multiple lines of PHP to make your code more readable and easier to maintain.

1. What is multi-line PHP

In PHP, a piece of code is usually displayed in one line, for example:

<?php  echo "Hello, World!"; ?>

And multi-line PHP divides the code into multiple lines. Line display, for example:

<?php  
    echo "Hello, World!"; 
?>

The benefits of using multi-line PHP are:

1. The code is more readable. Using multi-line PHP can divide the code into multiple parts, making the code clearer and easier to read.

2. The code is easier to maintain. Using multi-line PHP can better organize the code and facilitate later maintenance and modification.

2. How to add multiple lines of PHP

It is very simple to add multiple lines of PHP. You only need to use the line break character \n or the line break function nl2br# in the code. ## can be achieved.

1. Use

\n to break lines

Use

\n to add a newline character in the code. For example:

<?php  
    echo "This is the first line.\n";
    echo "This is the second line.\n";
    echo "This is the third line.\n";
?>

The output result is:

This is the first line.
This is the second line.
This is the third line.

2. Use

nl2br to branch

Use the

nl2br function to separate the newline characters \nConvert to HTML tags
to achieve branching in the page. For example:

<?php  
    echo nl2br("This is the first line.\nThis is the second line.\nThis is the third line.");
?>

The output result is:

This is the first line.<br>This is the second line.<br>This is the third line.

3. Notes

1. When using multi-line PHP, it is recommended to indent each code block to make it clearer .

2. Line break character

\n and line break function nl2br are only useful when output to HTML pages, and are invalid when output to terminals.

3. When using multi-line PHP, you should pay attention to the indentation, format and layout of the code to avoid affecting the readability of the code.

4. Summary

Using multi-line PHP can make the program clearer and easier to maintain and modify. This article introduces the method of using

\n branch and nl2br branch, and provides precautions. In actual development, using multi-line PHP will help improve the readability and maintainability of the code, and is worthy of promotion and use.

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