<?php
function bbcode ($bbcode)
{

$bbcode=preg_replace("/\[b\](.*?)\[\/b\]/si", "\\1", $bbcode);
$bbcode=preg_replace("/\[i\](.*?)\[\/i\]/si", "\\1", $bbcode);
$bbcode=preg_replace("/\[s\](.*?)\[\/s\]/si", "<s>\\1</s>", $bbcode);
$bbcode=preg_replace("/\[u\](.*?)\[\/u\]/si", "<u>\\1</u>", $bbcode);
$bbcode=preg_replace("/\[center\](.*?)\[\/center\]/si", "<center>\\1</center>", $bbcode);
$bbcode=preg_replace("/\[url\](.*?)\[\/url\]/si", "<a href=\\1>\\1</a>", $bbcode);
$bbcode=preg_replace("/\[code\](.*?)\[\/code\]/si", "<center>Code:

<div style=\"text-align:left;border:1px solid black;font-size:11px;color:green;background-color:#ececec;width:500px;padding:5px;\">\\1</div></center>
", $bbcode);
$bbcode=preg_replace("/\[img\](.*?)\[\/img\]/si", "<img src=\\1 border=\"0\">", $bbcode);

$bbcode = nl2br ($bbcode);

return $bbcode;
}

function php ($php)
{

$php=preg_replace("/\[php\](.*?)\[\/php\]/si", "<center><textarea style=backgroundcolor:#c0c0c0; rows=10 cols=85>

	
PHP-Code:
	

		
			
1 



		
	
</textarea></center>", $php);

  while((strpos($php,'

	
PHP-Code:
	

		
			
')!=false) && (strpos($php,' 



		
	
')!= false))
  {
    $startpos=strpos($php,'

	
PHP-Code:
	

		
			
')+5;
    $endpos=strpos($php,' 



		
	
',$startpos);
    $phpcode=substr($php,$startpos,$endpos-$startpos);
    $codestring='

	
PHP-Code:
	

		
			
'.$phpcode.' 



		
	
';
    $formattedcode=str_replace("
", "",highlight_string($phpcode,true));
    $php=str_replace($codestring,$formattedcode,$php);

  }

  return $php;
}
?>