Further fixes for PHP 8.4

www/lib/CoreLibs/Admin/EditBase.php

@@ -76,7 +76,7 @@ class EditBase
 		);
 		if ($this->form->mobile_phone) {
 			echo "I am sorry, but this page cannot be viewed by a mobile phone";
-			exit;
+			exit(1);
 		}
 		// $this->log->debug('POST', $this->log->prAr($_POST));
 	}

www/lib/CoreLibs/DB/IO.php

@@ -500,7 +500,7 @@ class IO
 			die('<!-- Cannot load db functions class for: ' . $this->db_type . ' -->');
 		}
 		// write to internal one, once OK
-		$this->db_functions = $db_functions;
+		$this->db_functions = $db_functions; /** @phan-suppress-current-line PhanPossiblyNullTypeMismatchProperty */
 
 		// connect to DB
 		if (!$this->__connectToDB()) {