nl2br

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 />'.

例子 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().