Not filtering words?

[3raser]

I'm pretty sure the problem is starring me in the face, but I can't seem to locate it.

 

function filter($string)
{
//swear words pulled from bannedwordlist.com
$f = fopen('../badwords.txt', 'r');
$bad_words = fread($f, filesize('../badwords.txt'));
$bad_words = explode('\n', $bad_words);

$input = strtolower($string);

foreach($bad_words as $value)
{
	$string = str_replace($value, '****', $input);
}

return $string;
}

 

UPDATED CODE

function filter($string)
{
//swear words pulled from bannedwordlist.com
$f = fopen('../badwords.txt', 'r');
$bad_words = fread($f, filesize('../badwords.txt'));
$bad_words = explode('\n', $bad_words);

$input = strtolower($string);
$string = str_replace($bad_words, '****', $input);

return $string;
}

 

I've already echoed out $value in the foreeach loop, and it does correctly retrieve the bad words and put them into an array. My only problem is, the returned string is still in strtolower() form, and the words aren't censored. :/

[xyph]

Since strtolower() isn't always reversible, you'd be better off using str_ireplace

 

Also, Windows (\r\n) handles line-breaks differently than other operating systems (\n only), so if you explode by \n and your lines are terminated with \r\n, you will end up with "curseword\r" array values.

 

This example works properly

<?php

$search = array('one','two','three');
$body = 'This one, those two, make three';

$body = str_ireplace($search, '***', $body);

echo $body;

?>

so I'm going to assume it's a problem with your array values.