Use Bb Code On Your Site! - Just like on forums!

Unholy Prayer

Apr 7 2007, 11:17 PM

To use this you must have PHP support on your server. Just use this code:

CODE

<?php

$content = "Hello, World!";

$html = array('[b]', '[/b]', '[i]', '[/i]', '[u]', '[/u]');
$replacements = array ('', '', '', '', '', '');

$content = str_replace($html, $replacements, $content);

?>

This code can be very useful. It can be used for word filters to block the use of bad words on your site or for emoticons.

Imtay22

Apr 9 2007, 04:17 PM

So I can just create a php file called whatever.php and put that code in it?

Blessed

Apr 9 2007, 09:16 PM

yes you can m8

but make sure to put it out like this

$content = str_replace($html, $replacements, $content);

galexcd

Apr 13 2007, 10:02 PM

str replace is bad for bbcode especially when it comes to urls etc.

If you use preg_replace, you can get php to check to make sure it actually has an ending. That way if sombody leaves a [b] tag open, it dosn't parse it out. They would have to close it.

Here's the bb code i use on the forums i coded.

CODE

$main_search=array('/\[b\](.*?)\[\/b\]/is','/\[i\](.*?)\[\/i\]/is','/\[u\](.*?)\[\/u\]/is','/\[img\](.*?)\[\/img\]/is','/\[url\=(.*?)\](.*?)\[\/url\]/is','/\[url\](.*?)\[\/url\]/is','/\[color\=(.*?)\](.*?)\[\/color\]/is','/\[code\](.*?)\[\/code\]/is');
$main_replace=array('$1','$1','$1','<img src="$1" style="max-width: 100%" border="0">','<a href="$1">$2</a>','<a href="$1">$1</a>','$2','<div style="WIDTH: 100%; OVERFLOW: auto"><pre>$1</pre></div>');
$str=preg_replace ($main_search, $main_replace, $str);

Str_replace is good for smilies though!

Imtay22

Apr 13 2007, 10:08 PM

Ok! Do they both work though? I used another tutorial here that used preg_replace. They also said it was more better than str_replace. Unholy, you might want ot take his advice!

galexcd

Apr 13 2007, 10:12 PM

QUOTE(Imtay22 @ Apr 13 2007, 03:08 PM)

Ok! Do they both work though? I used another tutorial here that used preg_replace. They also said it was more better than str_replace. Unholy, you might want ot take his advice!

More better? lol

If you use preg_replace you'll get a much more professional bb parser. It would be more like trap17's bb. This would be the effect you would get:

[b]if this board used str_replace to parse bb code, the rest of this post would be bold because the bold tag would be parsed and replaced into no matter what.

Imtay22

Apr 13 2007, 10:18 PM

Ahhh.... Okay. Thanks. I think I will stick with the easyer one.

galexcd

Apr 18 2007, 03:37 AM

The problem with using str_replace for tags like img is you would have to have [img] replace to <img src=" and [ /img] replace to ">. Now if you think about it, if you use that, anybody could easily break your forums by just starting an image tag without ending it. If you write <img src=" in the middle of your code, it's not going to end untill it sees another quote and another greaterthan. If your site uses tables, this could really screw up the site.

P.S.
Along with emoticons, str_replace is really good for disabling HTML.

CODE

$string=str_replace(array("<",">"),array("<",">"),$string);

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