Input oluşturacaksınız. Şunun gibi:
<form action="" method="post">
<table>
<tr>
<td>Credits</td>
<td>Price</td>
</tr>
<tr>
<td><input type="text" value="" name="" /></td>
<td><input type="text" value="" name="" /></td>
</tr>
<tr>
<td><input type="text" value="" name="" /></td>
<td><input type="text" value="" name="" /></td>
</tr>
<tr>
<td><input type="text" value="" name="" /></td>
<td><input type="text" value="" name="" /></td>
</tr>
<tr>
<td><input type="text" value="" name="" /></td>
<td><input type="text" value="" name="" /></td>
</tr>
<tr>
<td><input type="text" value="" name="" /></td>
<td><input type="text" value="" name="" /></td>
</tr>
<tr>
<td colspan="2"><input type="submit" value="Set new prices" name="" /></td>
</tr>
</table>
</form>
PHP ilede formdaki verileri veritabnındakilerle değiştireceksiniz.