PHP How To - Searching a string, then running a function once a result is found?

[Immsy]

Hi

I am building a small attachments system and am wanting to search a string for all instances of

 

[Augmented]

You can use the e modifier to run a function on matches with preg_replace:

$str = preg_replace("|\[b\](.*?)\[/b\]|e", "'<b>'.strtoupper('\\1').'</b>'", $str);
 // $str = [ b]foobar[/b ]
 // output is <b>FOOBAR</b>

http://uk2.php.net/preg_replace#id3413129

Or preg_replace_callback() for an alternative method.

 

[Immsy]

Thanks for the reply. I used preg_replace_callback in the end and it does exactly what I need