How to create (Repugnant Words Blocker)?

web_designer_iq

Hi..
I want to create a function of (Repugnant Words Blocker).
Function Structure:

function words_blocker($word)
{

//get a text file and check if $word in the text file!
//return TRUE if $word in text file
//return FLASE if $word not in text file

}

example:
I hava a text field and i want to check username entries >> (if username not have the following words return true or no return false):
example words:

dog, cat, monkey

I'm using the following function but is not good:

$obscenities = @file("e:\\appserv\\www\\mtsite\\forb_words.txt");
  foreach ($obscenities as $curse_word) {
   if (stristr(trim($curse_word), trim($string))) {
          return true;
        }else{
          return false;
        }
    }

Thank you,

konrad

I've created bad words filter based on regular expressions. Thera are two files - one with bad words patterns and other with allowed words (for example you can block all words containing 'radio' allowing only 'radiohead' to pass the bad words test). The script was made for Polish words, so you may need to change it. You can test and download it here.

etully

It's hard to build a good censor. For example, the words, "breast", "dick", and "bush" all have perfectly valid uses. Also, innocuous words like "stick" can be made to sound very dirty when used in the right context.

Even if you choose a list of words that you are comfortable removing, it's pretty easy to get around that as many spammers selling Pen1s En.larg.ers will tell you. People can convert text to codes (like hex) and it will get around the filters while still being readable at the other end. For every 10 things you think to scan for, I can come up with 20 ways to get around them.

I saw a contest a few years ago to make a sentence where removing the dirty words resulted in making a sentence that meant something far more dirty than the original sentence, People came up with tons of really good examples.

There are SO many ways to get around censorship that it's a waste of time to even try. But this is more than just me being judgemental about censorship - I'm trying to tell you that a team of 10 programmers working for 4 months on the problem can't make a decent filter... it's a lot harder than you think.

web_designer_iq

Hi..
Thank you "konrad" for your script! that's good, but that one problem!! script based on polish language and i want to convert it to Arabic language and i can't understand the sentences by polish!! 🙁

web_designer_iq

Hi..
Thank you "etully"
Yes that's very hard but only for (English) or other language (dutch, french ...) languages!!!
Arabic language is different, And i want to using the (bad block words) for arabic language.
Thanks alot,