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# nl2br

(PHP 3, PHP 4 , PHP 5)

nl2br -- Inserts HTML line breaks before all newlines in a string

## Description

string nl2br ( string string )

Returns string with '<br />' inserted before all newlines.

> 注: Starting with PHP 4.0.5, nl2br() is now XHTML compliant. All versions before 4.0.5 will return string with '<br>' inserted before newlines instead of '<br />'.

範例 1. using nl2br()

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

this will output :

    foo isn't<br />
     bar

See also htmlspecialchars(), htmlentities(), wordwrap(), and str_replace().

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