php function nl2br () to insert HTML newline characters before each line in a string

Instance

Insert a newline character before the new line (\ n) in the string:

<?phpecho nl2br ("One line.\nanother line.");? >

The browser output of the above code is as follows:

One line. Another line.

The HTML input for the above code is as follows (see source code):

One line.<br/>another line.

Definition and usage

The NL2BR () function inserts an HTML line break (<br> or <br/>) before each new line (\ n) in the string.

Grammar

NL2BR (string,xhtml)

Parameter description

string is required. Specifies the string to check.

XHTML is optional. A Boolean value that indicates whether to use compatible XHTML wrapping:

true-default. inserting <br/>

FALSE-Insert <br>

Technical details

Return value: Returns the converted string.

PHP version: 4+

Update log: Before PHP 4.0.5, this function inserts <br>. After PHP 4.0.5, this function inserts <BR/> compatible with XHTML.

In PHP 5.3, a new XHTML parameter was added.

More examples

Example 1

Insert a newline character before the new line (\ n) by using the XHTML parameter:

<?phpecho nl2br ("One line.\nanother line.", false);? >

The browser output of the above code is as follows:

One line. Another line.

The HTML input for the above code is as follows (see source code):

One line.<br>another line.

A simple example:

<?php$str = "Welcome to Www.nowamagic.net"; Echo nl2br ($STR);? >

HTML code to run the result:

Welcome to <br/>    www.nowamagic.net