$username = $_POST['username']; $result = $dbFunctions->search($username); if ($result != false) { $response["error"] = FALSE; $response["usernames"] = $result; echo json_encode($response); } else { $response["error"] = TRUE; $response["error_msg"] = "No users found"; echo json_encode($response); } } else { if ($tag == "friend_invite") { $username = $_POST['username']; $friend = $_POST['friend']; $result = $dbFunctions->friendInvite($username, $friend); if ($result != false) { $response["error"] = FALSE; $response["success_msg"] = "Friend invite sent"; echo json_encode($response); } else { $response["error"] = TRUE; $response["error_msg"] = "Invite already sent"; echo json_encode($response); } } else { if ($tag == "accept_invite") { $username = $_POST['username']; $friend = $_POST['friend']; $result = $dbFunctions->acceptInvite($username, $friend); if ($result) {