Chciałbym prosić o pomoc w napisaniu skryptu PHP, który otwierałby daną stronę (w tym przypadku stronę z planem lekcji danej klasy). Klasy wybiera się z rozwijalnej listy. Napisałem skrypt, ale on nie działa i nie wiem dlaczego. A konkretniej którąkolwiek klasę się wybierze zawsze wyświetla Ia. Jeśli możecie, to bardzo prosze o poprawienie

Mój skrypt wygląda tak:
Plik index.php
Kod
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-2">
<title>Plan lekcji</title>
</head>
<body>
<center>
<font size="5">Wybierz klasę:</font>
<form method="POST" action="planlekcji.php">
<select name="klasa">
<option>1a</option>
<option>1b</option>
<option>1c</option>
<option>1d</option>
<option>2a</option>
<option>2b</option>
<option>2c</option>
<option>2d</option>
<option>3a</option>
<option>3b</option>
<option>3c</option>
<option>3d</option>
<option>1TBa</option>
<option>1TBb</option>
<option>1TM</option>
<option>1MT</option>
<option>1TI</option>
<option>1TE</option>
<option>2TBa</option>
<option>2TBb</option>
<option>2TM</option>
<option>2MT</option>
<option>2TI</option>
<option>2TE</option>
<option>3TBa</option>
<option>3TBb</option>
<option>3TM</option>
<option>3MT</option>
<option>3TI</option>
<option>3TE</option>
<option>4TB</option>
<option>4TBM</option>
<option>TMt</option>
<option>4TMtB</option>
</select>
<br>
<input type="submit" value="Pokaż">
</form>
</center>
<hr>
</body>
</html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-2">
<title>Plan lekcji</title>
</head>
<body>
<center>
<font size="5">Wybierz klasę:</font>
<form method="POST" action="planlekcji.php">
<select name="klasa">
<option>1a</option>
<option>1b</option>
<option>1c</option>
<option>1d</option>
<option>2a</option>
<option>2b</option>
<option>2c</option>
<option>2d</option>
<option>3a</option>
<option>3b</option>
<option>3c</option>
<option>3d</option>
<option>1TBa</option>
<option>1TBb</option>
<option>1TM</option>
<option>1MT</option>
<option>1TI</option>
<option>1TE</option>
<option>2TBa</option>
<option>2TBb</option>
<option>2TM</option>
<option>2MT</option>
<option>2TI</option>
<option>2TE</option>
<option>3TBa</option>
<option>3TBb</option>
<option>3TM</option>
<option>3MT</option>
<option>3TI</option>
<option>3TE</option>
<option>4TB</option>
<option>4TBM</option>
<option>TMt</option>
<option>4TMtB</option>
</select>
<br>
<input type="submit" value="Pokaż">
</form>
</center>
<hr>
</body>
</html>
Plik planlekcji.php
Kod
<?php
$klasa=$_POST['klasa'];
if($klasa="1a")
include('1a.htm');
elseif($klasa="1b")
include('1b.htm');
elseif($klasa="1c")
include('1c.htm');
elseif($klasa="1d")
include('1d.htm');
elseif($klasa="2a")
include('2a.htm');
elseif($klasa="2b")
include('2b.htm');
elseif($klasa="2c")
include('2c.htm');
elseif($klasa="2d")
include('2d.htm');
elseif($klasa="3a")
include('3a.html');
elseif($klasa="1TBa")
include('1tba.htm');
elseif($klasa="1TBb")
include('1tbb.htm');
elseif($klasa="1TM")
include('1tm.htm');
elseif($klasa="1MT")
include('1mt.htm');
elseif($klasa="1TM")
include('1tm.htm');
elseif($klasa="1TI")
include('1ti.htm');
elseif($klasa="2TBa")
include('2tba.htm');
elseif($klasa="2TBb")
include('2tbb.htm');
elseif($klasa="2TM")
include('2tm.htm');
elseif($klasa=="2MT")
include('2mt.htm');
elseif($klasa="2TM")
include('2tm.htm');
elseif($klasa="2TI")
include('2ti.htm');
elseif($klasa="3TBa")
include('3tba.htm');
elseif($klasa=="3TBb")
include('3tbb.htm');
elseif($klasa="3TM")
include('3tm.htm');
elseif($klasa="3MT")
include('3mt.htm');
elseif($klasa="3TM")
include('3tm.htm');
elseif($klasa="3TI")
include('3ti.htm');
elseif($klasa="4TB")
include('3tb.htm');
elseif($klasa="3BM")
include('3mt.htm');
elseif($klasa="3TMt")
include('3tmt.htm');
elseif($klasa="3TMtb")
include('3tmtb.htm');
?>
$klasa=$_POST['klasa'];
if($klasa="1a")
include('1a.htm');
elseif($klasa="1b")
include('1b.htm');
elseif($klasa="1c")
include('1c.htm');
elseif($klasa="1d")
include('1d.htm');
elseif($klasa="2a")
include('2a.htm');
elseif($klasa="2b")
include('2b.htm');
elseif($klasa="2c")
include('2c.htm');
elseif($klasa="2d")
include('2d.htm');
elseif($klasa="3a")
include('3a.html');
elseif($klasa="1TBa")
include('1tba.htm');
elseif($klasa="1TBb")
include('1tbb.htm');
elseif($klasa="1TM")
include('1tm.htm');
elseif($klasa="1MT")
include('1mt.htm');
elseif($klasa="1TM")
include('1tm.htm');
elseif($klasa="1TI")
include('1ti.htm');
elseif($klasa="2TBa")
include('2tba.htm');
elseif($klasa="2TBb")
include('2tbb.htm');
elseif($klasa="2TM")
include('2tm.htm');
elseif($klasa=="2MT")
include('2mt.htm');
elseif($klasa="2TM")
include('2tm.htm');
elseif($klasa="2TI")
include('2ti.htm');
elseif($klasa="3TBa")
include('3tba.htm');
elseif($klasa=="3TBb")
include('3tbb.htm');
elseif($klasa="3TM")
include('3tm.htm');
elseif($klasa="3MT")
include('3mt.htm');
elseif($klasa="3TM")
include('3tm.htm');
elseif($klasa="3TI")
include('3ti.htm');
elseif($klasa="4TB")
include('3tb.htm');
elseif($klasa="3BM")
include('3mt.htm');
elseif($klasa="3TMt")
include('3tmt.htm');
elseif($klasa="3TMtb")
include('3tmtb.htm');
?>