Sveiki parasau toki php koda
<?php
include("mysql.php");
$psl = (isset($_GET['psl']) ? $_GET['psl'] : "");
echo "
<html>
<head>
<head>
   <title>Svetainė</title>
</head>
<body>
   <table align='center' style='width:100%;' >
      <tr>
         <td style='vertical-align:top;'
            <a href='index.php'>Pradinis[/url]
         
            <a href='index.php?psl=naujienos'>Naujienos[/url]
            <a href='index.php?psl=reg'>Registracija[/url]
         </td>
         <td style='width:30%; vertical-align:top;'>
            ";
            if ($psl == "") {
               echo "
               <h2>Pradinis<h2>
               Sveiki atvyke
               ";
            }
            if ($psl == "reg") {
               echo "
               <h2>Registracija</h2>
               <form action='index.php?psl=reg1' method='post'>
                  Slapyvardis: <input name='nick' maxlength='40' /> 
                  Slaptazodis: <input type='password' maxlength='40' name='pass' />
                  El. pastas: <input name='email' maxlength='50' />
                  <input type='submit' value='Registruotis' name='registruotis'/>
               </form>
               ";
            }
            if ($psl == "reg2") {
               @extract($_POST);
               if (isset($registruotis)) {
                  if ($nick == "") { $er = "Klaida, butina ivesti slapyvardi!"; }
                  elseif (strlen($pass) < 4) { $er = "Klaida, slaptazodis per trumpas!"; }
                  elseif ($email == "") { $er = "Klaida, butina ivesti el. pasto adresa!"; }   
                  else {
                     $er = "Registracija sekminga, dabar galite prisijungti.";
                     mysql_query("INSRERT INTO nariai
                        (nick,pass,email,tipas)   VALUES
                        ('$nick','$pass','$email','1')
                     ") or die("Mysql klaida:".mysql_error());
                  }
                  echo "
                  <h2>Registracijos ataskaita</h2>
                  $er
                  ";
               }
            }
               echo "
         </td>
         <td style='vertical-align:top;'>
            Desine
         </td>
      </tr>   
   </table>   
</body>
</head>
</html>
";
?>
Bet uzsiregistravus neparaso kad truksta slapivardzio  ar  kad per trumpas slaptazodis. Ir jeigu suvedi viska gerai irgi neparaso gal zinote kas blogai?