nl2br

(PHP 4, PHP 5, PHP 7, PHP 8)

nl2brInserts HTML line breaks before all newlines in a string

Description

nl2br(string $string, bool $use_xhtml = true): string

Returns string with <br /> or <br> inserted before all newlines (\r\n, \n\r, \n and \r).

Parameters

string

The input string.

use_xhtml

Whether to use XHTML compatible line breaks or not.

Return Values

Returns the altered string.

Examples

Example #1 Using nl2br()

<?php
echo nl2br("foo isn't\n bar");
?>

The above example will output:

foo isn't<br />
 bar

Example #2 Generating valid HTML markup using the use_xhtml parameter

<?php
echo nl2br("Welcome\r\nThis is my HTML document"false);
?>

The above example will output:

Welcome<br>
This is my HTML document

Example #3 Various newline separators

<?php
$string 
"This\r\nis\n\ra\nstring\r";
echo 
nl2br($string);
?>

The above example will output:

This<br />
is<br />
a<br />
string<br />

See Also

  • htmlspecialchars() - Convert special characters to HTML entities
  • htmlentities() - Convert all applicable characters to HTML entities
  • wordwrap() - Wraps a string to a given number of characters
  • str_replace() - Replace all occurrences of the search string with the replacement string

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