need help for wordfilter and replace

hi ,
i want a function ,
Please help me,,,,,,,,
when user post reply

$reply="Hello this is testing message"; //user reply text
$res=mysql_query("select * from wordfilter");
while ($row=mysql_fetch_array($res)){
$word=$row['words']; // delete, insert, drop , etc..........
} 

PHP:

if $reply any word match to $word then he replace it
first word and last word same and middle word replace to *****

forexemple he found sexy and hi also in my database (in $word) then he replace it s**y
if hi found one word then replace one
if found two word then two .....there ....... four ................................................................................

 

function Replace( $Word )
{
	$Replace = substr( $Word, 0, 1 );
	for( $x = 0; $x <= strlen( $Word ) - 2; $x++ )
		$Replace .= "*";
	$Replace .= substr( $Word, -1 );
	return $Replace;
}

$reply = "Hello this is a sexy testing vagina message";

$res = mysql_query("select * from wordfilter");
while( $row = mysql_fetch_array( $res ) )
{
	$Word = $row['words'];
	if( stripos( $reply, $Word ) )
		$reply = str_ireplace( $Word, Replace( $Word ), $reply );
}

PHP:

Should work for you. Then again, it's 2am and untested.

 

Wao ,
thanx bro its working and helpful for me,
thanx again