Miscellany

<?phpif(isset($_POST['string'])) {	$string = $_POST['string'];	$bleh = preg_replace("/\[url=(.*)\](.*)\[\/url\]/", if(substr($1,0,7) == "http://") { echo "<a href=\"$1\">$2</a>"; } else { echo "<a href=\"http://$1\">$2</a>"; }, $string);	$bleh = preg_replace("/\[b\](.*)\[\/b\]/","<b>$1</b>", $bleh);	$bleh = preg_replace("/\[i\](.*)\[\/i\]/","<i>$1</i>", $bleh);	$bleh = preg_replace("/\[u\](.*)\[\/u\]/","<u>$1</u>", $bleh);	$bleh = preg_replace("/\[img\](.*)\[\/img\]/","<img src=\"$1\" alt=\"\">", $bleh);		echo nl2br($bleh);}else {?><form method="POST"><textarea name="string" style="width: 700px; height: 300px;">[url=http://]text som skal vises[/url][b]bold[/b][i]italic[/i][u]underline[/u][img]image url[/img]</textarea><br /><input type="submit" value="test"></form><?php}?>