$userlastname_error = "LastName is required"; } else { $last_name = test_input($_POST["last_name"]); } if (empty($_POST["userphone"])) { $userphone_error = "Address required"; } else { $phone = test_input($_POST["userphone"]); } if (empty($_POST["tag"])) { $tag_error = "tag required"; } else { $usertag = test_input($_POST["tag"]); } if ($userfirstname_error == "" and $userlastname_error == "" and $userphone_error == "" and $tag_error == "") { $response = $user_manage->addcontact($first_name, $last_name, $phone, $usertag); } } $users_array = $user_manage->getAllUsers(); $tags_array = $user_manage->get_unique_tag(); if (isset($_GET["delete"])) { $response = $user_manage->deleteUsers($_GET["delete"]); } if (isset($_GET["update"])) { $response = $user_manage->updateUsers($_GET['first_name'], $_GET['last_name'], $_GET['phone'], $_GET['tag'], $_GET['list_id']); } if (isset($_GET["keyword"])) { $keyword = $_GET["keyword"]; $users_array = $user_manage->get_all_phonebook($keyword); } else { $users_array = $user_manage->get_all_phonebook();