note 86120 added to ref.mbstring

A small correction to patrick at hexane dot org's mb_str_replace function. The original function does not work as intended in case $replacement contains $needle.

<?php
function mb_str_replace($needle, $replacement, $haystack)
{
	$needle_len = mb_strlen($needle);
	$replacement_len = mb_strlen($replacement);
	$pos = mb_strpos($haystack, $needle);
	while ($pos !== false)
	{
		$haystack = mb_substr($haystack, 0, $pos) . $replacement
				. mb_substr($haystack, $pos + $needle_len);
		$pos = mb_strpos($haystack, $needle, $pos + $replacement_len);
	}
	return $haystack;
}
?>
----
Server IP: 217.13.201.10
Probable Submitter: 92.252.38.45
----
Manual Page -- http://www.php.net/manual/en/ref.mbstring.php
Edit        -- https://master.php.net/note/edit/86120
Del: integrated  -- https://master.php.net/note/delete/86120/integrated
Del: useless     -- https://master.php.net/note/delete/86120/useless
Del: bad code    -- https://master.php.net/note/delete/86120/bad+code
Del: spam        -- https://master.php.net/note/delete/86120/spam
Del: non-english -- https://master.php.net/note/delete/86120/non-english
Del: in docs     -- https://master.php.net/note/delete/86120/in+docs
Del: other reasons-- https://master.php.net/note/delete/86120
Reject      -- https://master.php.net/note/reject/86120
Search      -- https://master.php.net/manage/user-notes.php