<?
function Prikazy()
{
  
$prikazy=Array("echo", "print", "date", "print_r", "sort");
  
sort ($prikazy);
  echo
"<SELECT name=\"prikaz\">";
  foreach (
$prikazy as $prikaz) echo "\t<OPTION VALUE=".str_replace("_","-",$prikaz).">".$prikaz."</OPTION>\n";
  echo
"</SELECT>";
}
if (empty (
$_POST["odeslat"]))
{
  
?>
  <head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  </head>   
  <form method="POST" action="<?echo $_SERVER["PHP_SELF"]?>">
  Vyber příkaz:&nbsp;
  <?
  Prikazy
();
  
?>
  <input name="odeslat" value="Odeslat" type="submit">
  </form>
  <?
}
else
{
  
Header("Location: http://cz.php.net/manual/cs/function.".$_POST["prikaz"].".php");
}
?>