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the problem, I believe, is that preg_replace takes a string as a second argument; what's happening is that the dice function is first called with the parameter '$1', then the return value (ie. '$1 = 0') is used as the replacement string.  I'd do something like this (assuming dice() isn't used for something else as well):

$message = preg_replace_callback('#\[diceroll\](.+?)\[/diceroll\]#s', 'dice', $message);

then, in the dice function, add this to the very beginning

$rollwhat = $rollwhat[1];

'

How do you know that that error dosn't come from the way you get the variables and create the query string?  It seems unlikely that a browser would be limited to 'the number of variables in a query string' when it's all just one long string anyway.

I don't believe there is a way to 'easily' submit forms via AJAX without building up the query string.  I'd recommend, though, making the adminProfileNewSubmit function a little more general, to allow for easier alteration of the form and more possible applications of the js.  So instead of simply retrieving the value of each field in a seperate statement, a more expandable approach would be to loop through the fields and retrieve the value based off its type.  (eg. switch(field.type) { case 'text' : bla bla bla; break; case 'checkbox' : bla bla bla; break; etc... })

This has some major security vulnerabilities in it, as none of the user input is verified.  Something as simple as [img?width=5&height=5" onerror="alert('hi there');&alt=test]http://not.an.image/file.png[/img] could inject js into the output (the url could be used as well).  In addition, a regular expression like that would require that all the attributes be present in that order, something that could become an annoyance for users.

@wii: The html is actually not incorrect if an img tag does not include the width and height attributes; the only required attributes are src and alt: http://www.w3.org/TR/html401/struct/objects.html#h-13.2

I would highly recommend using a library for your AJAX code, it would greatly simplify matters for you, and be much less likely to contain any bugs.  And there is a js function called setInterval, by the way, which may be easier to use than continually calling setTimeOut.

http://lists.mysql.com/mysql/183836

Oops, yeah, forgot to say that that was line 186 in viewtopic.php.  Your modification was checking an array index which didn't exist, so the condition always evaluated to false.

This is pretty old, but I'd just thought I'd mention that regular expressions have a recursive aspect, which may be useful if you need to deal with nested quotes.  For instance, this strips out all nested quotes without a loop:

$out = preg_replace('/\[quote(=[^\]]*?)?\]((.*)|(?R))\[\/quote\]/is', '', $text);

This:

<textarea>hello
       world.
  test           ing</textarea>

shows up with all the white-space intact for me.