Re: eregi help

Kris Howl writes: > I've made a link submitter to work on my site. So the users type in their > site name and url, click submit and it gets added to the list. > > However, to prevent idiots from adding links to unpleasant > content/pornography I've created a filter. It's a txt document with a bunch > of words in it to disallow. > > The problem is this: > > $sitename = "xxx" > > That works fine. However, if someone uses: > > $sitename = "xxxforyou" > > It won't pick up the xxx part and disallow it. Is there a way to make sure > it does pick up the "xxx" part? The code I'm using is: > > eregi ($sitename,$ono) > > $ono being the variable which stores the fgets of the text file with the > words. > > To know how I can do this would be a great help, as I also have to block > URLs that contain those words. > > Thanks in advance, > > Kris <?php error_reporting(E_ALL); function is_safe($url, $banned) { while (list($word) = each($banned)) { if (strpos("X$url", $word)) { return false; } } return true; } $distasteful_words = array( 'taxes', 'britney', 'earwigs ); $url = 'http://www.britneyforyou.com'; if (!is_safe($url, $distasteful_words)) { echo "Bad<br>\n"; } else { echo "OK<br>\n"; } ?> Be careful what you screen out, though. False positives are *really* easy to get. Cheers, Torben -- +----------------------------------------------------------------+ |Torben Wilson <torben@php.net> Netmill iTech| |http://www.coastnet.com/~torben http://www.netmill.fi| |Ph: 1 250 383-9735 torben@netmill.fi| +----------------------------------------------------------------+