feat: Check session when users submit forms

Author: live627

src/CustomForm.php

@@ -99,6 +99,7 @@ function CustomForm()
 			//	Do we need to submit this form?
 			if (isset($_GET['submit']))
 			{
+				checkSession();
 				$vars = array();
 				$replace = array();
 				$i = -1;

src/CustomForm.template.php

@@ -109,7 +109,7 @@ function form_template_submit_form()
 				</td>
 			</tr>
 		</table>
-		<input type="hidden" name="sc" value="', $context['session_id'], '" />
+		<input type="hidden" name="', $context['session_var'], '" value="', $context['session_id'], '">
 	</form>';
 }