<html> <head> <title>Skrypt</title> </head> </body> <br><br><br> <p>Wpisz X</p> <form method="POST" action=""> <input type="text" name="$x" size="10"> <input type="submit" value="Wyslij"> <? if($x > 0) { } elseif($x < 0) { } ?> </form> </body> </html>