function strtotext($str)
{
	// Försäkra sig om att alla radbrytningar är \n
	$str = str_replace(array("\n\r", "\r\n", "\r"), "\n", $str);
	
	// Lagra alla kod-block i en array
	$code_matches = array();
	preg_match_all('/\[php](.*?)\[\/php]/is', $str, $code_matches);
	
	// Ta bort all kod innan text-formateringen
	$str = preg_replace('/\[php](.*?)\[\/php]/is', "\n\n[CODE-BLOCK]\n\n", $str);
	
	// Kör igenom kod-blocken
	for ($i = 0; $i < count($code_matches[1]); $i++)
	{
		// Ta bort den första och sista radbrytningen
		if (substr($code_matches[1][$i], 0, 1) == "\n")
		{
			$code_matches[1][$i] = substr($code_matches[1][$i], 1);
		}
		
		if (substr($code_matches[1][$i], -1, 1) == "\n")
		{
			$code_matches[1][$i] = substr($code_matches[1][$i], 0, -1);
		}
		
		// Kör highlight_string på kod-blocken
		$code_matches[1][$i] = "<div class=\"code_php\"><span class=\"code\">" . highlight_string($code_matches[1][$i], true) . "</span></div><p class=\"norm\">";
	}
	$str = htmlentities($str);
	// Grunderna - Fet, kursiv, understruken
	$str = preg_replace('/\[b](.*?)\[\/b]/', '<strong>\1</strong>', $str);
	$str = preg_replace('/\[i](.*?)\[\/i]/', '<i>\1</i>', $str);
	$str = preg_replace('/\[u](.*?)\[\/u]/', '', $str);
	
	// Länkar - URL1 & URL2
	$str = preg_replace('/\[url=((https?|ftps?):\/\/)?(([-_a-zA-Z]+\.)*)([a-zA-Z]{2,6})(\/[^\]\[\s]*)?\]([^\]\[]+)\[\/url\]?/e',"'$1'!=''?'<a href=\"$1$3$5$6\">$7</a>':'<a href=\"http://$3$5$6\">$7</a>'", $str);
	
	$str = preg_replace('/\[url]((https?|ftps?):\/\/)?(([-_a-zA-Z]+\.)*)([a-zA-Z]{2,6})(\/[^\]\[\s]*)?\[\/url\]/e',"'$1'!='' ?'<span class=\"main_links\"><a href=\"$1$3$5$6\">$1$3$5$6</a></span>':'<span class=\"main_links\"><a href=\"http://$3$5$6\">$3$5$6</a></span>'", $str);
	
	// Färger - Röd, grön, blå & orange
	$str = preg_replace('/\[color=(red|green|blue|orange)](.*?)\[\/color]/', '<span class="\1">\2</span>', $str);
	
	// Lägg tillbaka alla kod-block
	foreach ($code_matches[1] as $block)
	{
		$str = str_replace_once("[CODE-BLOCK]", $block, $str);
	}
	
	return $str;
}