Programming languages, scripts, examples

<h3> FORM GENERATOR</h3>
<a href= "<?php
echo $_SERVER['PHP_SELF'];
?>">HOME</a><br>
<?php


$kiekis = $_GET["kiekis"];
$ch1    = $_GET["ch1"];
$ch2    = $_GET["ch2"];

if (!$kiekis)
  {
?>

<form action="<?php
    echo $_SERVER['PHP_SELF'];
?>" method="get">
Fields:<br>
<input type="text" name="kiekis" value=""><br><br>
Numbers of fields:
<Input type = "Checkbox" Name ="ch1" value ="a"> <br><br>
Radio buttons instead of check boxes:
<Input type = "Checkbox" Name ="ch2" value ="b"> <br> <br>
<input type="submit" Value ="Ok" ><br>
</form>

<form action="<?php
    echo $_SERVER['PHP_SELF'];
?>" method="get">

<?php
    
  }
elseif ($kiekis != "0")
  {
    
    
    
    for ($i = 1; $i <= $kiekis; $i++)
      {
        
        if ($ch1 == "a")
          {
            echo $i;
            
          }
?>

<input type="text" name="" value=""> <br>

<?php
        if ($ch2 == "b")
          {
?>

<Input type = 'Radio' Name ='' value= ''><br>

<?php
          }
        
      }
?>

<br><input type="submit" Value ="Patvirtinti" ><br>


<?php
  }
?>
</form>