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Masked Phone Numbers with PHP and Laravel

This PHP Laravel sample application is modeled after the amazing rental experience created by AirBnB, but with more Klingons.

Host users can offer rental properties which other guest users can reserve. The guest and the host can then anonymously communicate via a disposable Twilio phone number created just for a reservation. In this tutorial, we'll show you the key bits of code to make this work.

To run this sample app yourself, download the code and follow the instructions on GitHub.

(warning)

Warning

Legal implications of managing communications between users

If you choose to manage communications between your users, including voice calls, text-based messages (e.g., SMS), and chat, you may need to comply with certain laws and regulations, including those regarding obtaining consent. Additional information regarding legal compliance considerations and best practices for using Twilio to manage and record communications between your users, such as when using Twilio Proxy, can be found here.

Notice: Twilio recommends that you consult with your legal counsel to make sure that you are complying with all applicable laws in connection with communications you record or store using Twilio.

Read how Lyft uses masked phone numbers to let customers securely contact drivers.

Create a Reservation

The first step in connecting a guest and host is creating a reservation. Here, we handle a form submission for a new reservation which contains the guest's name and phone number.

Create a Reservation

app/Http/Controllers/ReservationController.php


_234<?php
_234namespace App\Http\Controllers;
_234use Illuminate\Http\Request;
_234use App\Http\Requests;
_234use App\Http\Controllers\Controller;
_234use Illuminate\Contracts\Auth\Authenticatable;
_234use App\Reservation;
_234use App\User;
_234use App\VacationProperty;
_234use DB;
_234use Twilio\Rest\Client;
_234use Twilio\Twiml;
_234use Log;
_234
_234class ReservationController extends Controller
_234{
_234    public function index(Authenticatable $user)
_234    {
_234        $reservations = array();
_234
_234        foreach ($user->propertyReservations as $reservation)
_234        {
_234            array_push($reservations, $reservation->fresh());
_234        }
_234        return view(
_234            'reservation.index',
_234            [
_234                'hostReservations' => $reservations,
_234                'guestReservations' => $user->reservations
_234            ]
_234        );
_234    }
_234
_234    /**
_234     * Store a new reservation
_234     *
_234     * @param  \Illuminate\Http\Request  $request
_234     * @return \Illuminate\Http\Response
_234     */
_234    public function create(Client $client, Request $request, Authenticatable $user, $id)
_234    {
_234        $this->validate(
_234            $request, [
_234                'message' => 'required|string'
_234            ]
_234        );
_234        $property = VacationProperty::find($id);
_234        $reservation = new Reservation($request->all());
_234
_234        $reservation->user()->associate($user);
_234
_234        $property->reservations()->save($reservation);
_234
_234        $this->notifyHost($client, $reservation);
_234
_234        $request->session()->flash(
_234            'status',
_234            "Sending your reservation request now."
_234        );
_234        return redirect()->route('reservation-index', ['id' => $property->id]);
_234    }
_234
_234    public function acceptReject(Client $client, Request $request)
_234    {
_234        $hostNumber = $request->input('From');
_234        $smsInput = strtolower($request->input('Body'));
_234        $host = User::where(DB::raw("CONCAT('+',country_code::text, phone_number::text)"), 'LIKE', "%".$hostNumber."%")
_234            ->get()
_234            ->first();
_234
_234        $reservation = $host->pendingReservations()->first();
_234        $smsResponse = null;
_234        if (!is_null($reservation))
_234        {
_234            $reservation = $reservation->fresh();
_234
_234            if (strpos($smsInput, 'yes') !== false || strpos($smsInput, 'accept') !== false)
_234            {
_234                $reservation->confirm($this->getNewTwilioNumber($client, $host));
_234            }
_234            else
_234            {
_234                $reservation->reject();
_234            }
_234
_234            $smsResponse = 'You have successfully ' . $reservation->status . ' the reservation.';
_234        }
_234        else
_234        {
_234            $smsResponse = 'Sorry, it looks like you don\'t have any reservations to respond to.';
_234        }
_234
_234        return response($this->respond($smsResponse, $reservation))->header('Content-Type', 'application/xml');
_234    }
_234
_234    public function connectSms(Request $request)
_234    {
_234        $twilioNumber = $request->input('To');
_234        $incomingNumber = $request->input('From');
_234        $messageBody = $request->input('Body');
_234
_234        $reservation = $this->getReservationFromNumber($twilioNumber);
_234        $host = $reservation->property->user;
_234        $guest = $reservation->user;
_234
_234        if ($incomingNumber === $host->fullNumber())
_234        {
_234            $outgoingNumber = $guest->fullNumber();
_234        }
_234        else
_234        {
_234            $outgoingNumber = $host->fullNumber();
_234        }
_234
_234        return response($this->connectSmsResponse($messageBody, $outgoingNumber))->header('Content-Type', 'application/xml');
_234    }
_234
_234    public function connectVoice(Request $request)
_234    {
_234        $twilioNumber = $request->input('To');
_234        $incomingNumber = $request->input('From');
_234
_234        $reservation = $this->getReservationFromNumber($twilioNumber);
_234        $host = $reservation->property->user;
_234        $guest = $reservation->user;
_234
_234        if ($incomingNumber === $host->fullNumber())
_234        {
_234            $outgoingNumber = $guest->fullNumber();
_234        }
_234        else
_234        {
_234            $outgoingNumber = $host->fullNumber();
_234        }
_234
_234        return response($this->connectVoiceResponse($outgoingNumber))->header('Content-Type', 'application/xml');
_234    }
_234
_234    private function getReservationFromNumber($twilioNumber)
_234    {
_234        return Reservation::where('twilio_number', '=', $twilioNumber)->first();
_234    }
_234
_234    private function connectVoiceResponse($outgoingNumber)
_234    {
_234        $response = new Twiml();
_234        $response->play('http://howtodocs.s3.amazonaws.com/howdy-tng.mp3');
_234        $response->dial($outgoingNumber);
_234
_234        return $response;
_234    }
_234
_234    private function connectSmsResponse($messageBody, $outgoingNumber)
_234    {
_234        $response = new Twiml();
_234        $response->message(
_234            $messageBody,
_234            ['to' => $outgoingNumber]
_234        );
_234
_234        return $response;
_234    }
_234
_234    private function respond($smsResponse, $reservation)
_234    {
_234        $response = new Twiml();
_234        $response->message($smsResponse);
_234
_234        if (!is_null($reservation))
_234        {
_234            $response->message(
_234                'Your reservation has been ' . $reservation->status . '.',
_234                ['to' => $reservation->user->fullNumber()]
_234            );
_234        }
_234        return $response;
_234    }
_234
_234    private function notifyHost($client, $reservation)
_234    {
_234        $host = $reservation->property->user;
_234
_234        $twilioNumber = config('services.twilio')['number'];
_234
_234        $messageBody = $reservation->message . ' - Reply \'yes\' or \'accept\' to confirm the reservation, or anything else to reject it.';
_234
_234        try {
_234            $client->messages->create(
_234                $host->fullNumber(), // Text any number
_234                [
_234                    'from' => $twilioNumber, // From a Twilio number in your account
_234                    'body' => $messageBody
_234                ]
_234            );
_234        } catch (Exception $e) {
_234            Log::error($e->getMessage());
_234        }
_234    }
_234
_234    private function getNewTwilioNumber($client, $host)
_234    {
_234        $numbers = $client->availablePhoneNumbers('US')->local->read(
_234            [
_234                'areaCode' => $host->areaCode(),
_234                'voiceEnabled' => 'true',
_234                "smsEnabled" => 'true'
_234            ]
_234        );
_234
_234        if (empty($numbers)) {
_234            $numbers = $client->availablePhoneNumbers('US')->local->read(
_234                [
_234                    'voiceEnabled' => 'true',
_234                    "smsEnabled" => 'true'
_234                ]
_234            );
_234        }
_234        $twilioNumber = $numbers[0]->phoneNumber;
_234
_234        $newNumber = $client->incomingPhoneNumbers->create(
_234            [
_234                "phoneNumber" => $twilioNumber,
_234                "smsApplicationSid" => config('services.twilio')['applicationSid'],
_234                "voiceApplicationSid" => config('services.twilio')['applicationSid']
_234            ]
_234        );
_234
_234        if ($newNumber) {
_234            return $twilioNumber;
_234        } else {
_234            return 0;
_234        }
_234    }
_234}

Part of our reservation system is receiving reservation requests from potential renters. However, these reservations need to be confirmed. Let's see how we would handle this step.

Confirm the Reservation

Before the reservation is finalized, the host needs to confirm that the property is still available. Learn how to automate this process in our first AirTNG tutorial, Workflow Automation.

Once the reservation is confirmed, we need to create a Twilio number that the guest and host can use to communicate in the getNewTwilioNumber method.

Confirm Reservation Method

app/Http/Controllers/ReservationController.php


_234<?php
_234namespace App\Http\Controllers;
_234use Illuminate\Http\Request;
_234use App\Http\Requests;
_234use App\Http\Controllers\Controller;
_234use Illuminate\Contracts\Auth\Authenticatable;
_234use App\Reservation;
_234use App\User;
_234use App\VacationProperty;
_234use DB;
_234use Twilio\Rest\Client;
_234use Twilio\Twiml;
_234use Log;
_234
_234class ReservationController extends Controller
_234{
_234    public function index(Authenticatable $user)
_234    {
_234        $reservations = array();
_234
_234        foreach ($user->propertyReservations as $reservation)
_234        {
_234            array_push($reservations, $reservation->fresh());
_234        }
_234        return view(
_234            'reservation.index',
_234            [
_234                'hostReservations' => $reservations,
_234                'guestReservations' => $user->reservations
_234            ]
_234        );
_234    }
_234
_234    /**
_234     * Store a new reservation
_234     *
_234     * @param  \Illuminate\Http\Request  $request
_234     * @return \Illuminate\Http\Response
_234     */
_234    public function create(Client $client, Request $request, Authenticatable $user, $id)
_234    {
_234        $this->validate(
_234            $request, [
_234                'message' => 'required|string'
_234            ]
_234        );
_234        $property = VacationProperty::find($id);
_234        $reservation = new Reservation($request->all());
_234
_234        $reservation->user()->associate($user);
_234
_234        $property->reservations()->save($reservation);
_234
_234        $this->notifyHost($client, $reservation);
_234
_234        $request->session()->flash(
_234            'status',
_234            "Sending your reservation request now."
_234        );
_234        return redirect()->route('reservation-index', ['id' => $property->id]);
_234    }
_234
_234    public function acceptReject(Client $client, Request $request)
_234    {
_234        $hostNumber = $request->input('From');
_234        $smsInput = strtolower($request->input('Body'));
_234        $host = User::where(DB::raw("CONCAT('+',country_code::text, phone_number::text)"), 'LIKE', "%".$hostNumber."%")
_234            ->get()
_234            ->first();
_234
_234        $reservation = $host->pendingReservations()->first();
_234        $smsResponse = null;
_234        if (!is_null($reservation))
_234        {
_234            $reservation = $reservation->fresh();
_234
_234            if (strpos($smsInput, 'yes') !== false || strpos($smsInput, 'accept') !== false)
_234            {
_234                $reservation->confirm($this->getNewTwilioNumber($client, $host));
_234            }
_234            else
_234            {
_234                $reservation->reject();
_234            }
_234
_234            $smsResponse = 'You have successfully ' . $reservation->status . ' the reservation.';
_234        }
_234        else
_234        {
_234            $smsResponse = 'Sorry, it looks like you don\'t have any reservations to respond to.';
_234        }
_234
_234        return response($this->respond($smsResponse, $reservation))->header('Content-Type', 'application/xml');
_234    }
_234
_234    public function connectSms(Request $request)
_234    {
_234        $twilioNumber = $request->input('To');
_234        $incomingNumber = $request->input('From');
_234        $messageBody = $request->input('Body');
_234
_234        $reservation = $this->getReservationFromNumber($twilioNumber);
_234        $host = $reservation->property->user;
_234        $guest = $reservation->user;
_234
_234        if ($incomingNumber === $host->fullNumber())
_234        {
_234            $outgoingNumber = $guest->fullNumber();
_234        }
_234        else
_234        {
_234            $outgoingNumber = $host->fullNumber();
_234        }
_234
_234        return response($this->connectSmsResponse($messageBody, $outgoingNumber))->header('Content-Type', 'application/xml');
_234    }
_234
_234    public function connectVoice(Request $request)
_234    {
_234        $twilioNumber = $request->input('To');
_234        $incomingNumber = $request->input('From');
_234
_234        $reservation = $this->getReservationFromNumber($twilioNumber);
_234        $host = $reservation->property->user;
_234        $guest = $reservation->user;
_234
_234        if ($incomingNumber === $host->fullNumber())
_234        {
_234            $outgoingNumber = $guest->fullNumber();
_234        }
_234        else
_234        {
_234            $outgoingNumber = $host->fullNumber();
_234        }
_234
_234        return response($this->connectVoiceResponse($outgoingNumber))->header('Content-Type', 'application/xml');
_234    }
_234
_234    private function getReservationFromNumber($twilioNumber)
_234    {
_234        return Reservation::where('twilio_number', '=', $twilioNumber)->first();
_234    }
_234
_234    private function connectVoiceResponse($outgoingNumber)
_234    {
_234        $response = new Twiml();
_234        $response->play('http://howtodocs.s3.amazonaws.com/howdy-tng.mp3');
_234        $response->dial($outgoingNumber);
_234
_234        return $response;
_234    }
_234
_234    private function connectSmsResponse($messageBody, $outgoingNumber)
_234    {
_234        $response = new Twiml();
_234        $response->message(
_234            $messageBody,
_234            ['to' => $outgoingNumber]
_234        );
_234
_234        return $response;
_234    }
_234
_234    private function respond($smsResponse, $reservation)
_234    {
_234        $response = new Twiml();
_234        $response->message($smsResponse);
_234
_234        if (!is_null($reservation))
_234        {
_234            $response->message(
_234                'Your reservation has been ' . $reservation->status . '.',
_234                ['to' => $reservation->user->fullNumber()]
_234            );
_234        }
_234        return $response;
_234    }
_234
_234    private function notifyHost($client, $reservation)
_234    {
_234        $host = $reservation->property->user;
_234
_234        $twilioNumber = config('services.twilio')['number'];
_234
_234        $messageBody = $reservation->message . ' - Reply \'yes\' or \'accept\' to confirm the reservation, or anything else to reject it.';
_234
_234        try {
_234            $client->messages->create(
_234                $host->fullNumber(), // Text any number
_234                [
_234                    'from' => $twilioNumber, // From a Twilio number in your account
_234                    'body' => $messageBody
_234                ]
_234            );
_234        } catch (Exception $e) {
_234            Log::error($e->getMessage());
_234        }
_234    }
_234
_234    private function getNewTwilioNumber($client, $host)
_234    {
_234        $numbers = $client->availablePhoneNumbers('US')->local->read(
_234            [
_234                'areaCode' => $host->areaCode(),
_234                'voiceEnabled' => 'true',
_234                "smsEnabled" => 'true'
_234            ]
_234        );
_234
_234        if (empty($numbers)) {
_234            $numbers = $client->availablePhoneNumbers('US')->local->read(
_234                [
_234                    'voiceEnabled' => 'true',
_234                    "smsEnabled" => 'true'
_234                ]
_234            );
_234        }
_234        $twilioNumber = $numbers[0]->phoneNumber;
_234
_234        $newNumber = $client->incomingPhoneNumbers->create(
_234            [
_234                "phoneNumber" => $twilioNumber,
_234                "smsApplicationSid" => config('services.twilio')['applicationSid'],
_234                "voiceApplicationSid" => config('services.twilio')['applicationSid']
_234            ]
_234        );
_234
_234        if ($newNumber) {
_234            return $twilioNumber;
_234        } else {
_234            return 0;
_234        }
_234    }
_234}

Once the reservation is confirmed, we need to purchase a Twilio number that the guest and host can use to communicate.

Purchase a Twilio Number

Here we use a Twilio REST API Client to search for and buy a new phone number to associate with the reservation. When we buy the number, we designate a Twilio application that will handle webhook requests; when the new number receives an incoming call or text.

We then save the new phone number on our Reservation model, so when our app receives calls or texts to this number, we'll know which reservation the call or text belongs to.

Purchase a Twilio Number

app/Http/Controllers/ReservationController.php


_234<?php
_234namespace App\Http\Controllers;
_234use Illuminate\Http\Request;
_234use App\Http\Requests;
_234use App\Http\Controllers\Controller;
_234use Illuminate\Contracts\Auth\Authenticatable;
_234use App\Reservation;
_234use App\User;
_234use App\VacationProperty;
_234use DB;
_234use Twilio\Rest\Client;
_234use Twilio\Twiml;
_234use Log;
_234
_234class ReservationController extends Controller
_234{
_234    public function index(Authenticatable $user)
_234    {
_234        $reservations = array();
_234
_234        foreach ($user->propertyReservations as $reservation)
_234        {
_234            array_push($reservations, $reservation->fresh());
_234        }
_234        return view(
_234            'reservation.index',
_234            [
_234                'hostReservations' => $reservations,
_234                'guestReservations' => $user->reservations
_234            ]
_234        );
_234    }
_234
_234    /**
_234     * Store a new reservation
_234     *
_234     * @param  \Illuminate\Http\Request  $request
_234     * @return \Illuminate\Http\Response
_234     */
_234    public function create(Client $client, Request $request, Authenticatable $user, $id)
_234    {
_234        $this->validate(
_234            $request, [
_234                'message' => 'required|string'
_234            ]
_234        );
_234        $property = VacationProperty::find($id);
_234        $reservation = new Reservation($request->all());
_234
_234        $reservation->user()->associate($user);
_234
_234        $property->reservations()->save($reservation);
_234
_234        $this->notifyHost($client, $reservation);
_234
_234        $request->session()->flash(
_234            'status',
_234            "Sending your reservation request now."
_234        );
_234        return redirect()->route('reservation-index', ['id' => $property->id]);
_234    }
_234
_234    public function acceptReject(Client $client, Request $request)
_234    {
_234        $hostNumber = $request->input('From');
_234        $smsInput = strtolower($request->input('Body'));
_234        $host = User::where(DB::raw("CONCAT('+',country_code::text, phone_number::text)"), 'LIKE', "%".$hostNumber."%")
_234            ->get()
_234            ->first();
_234
_234        $reservation = $host->pendingReservations()->first();
_234        $smsResponse = null;
_234        if (!is_null($reservation))
_234        {
_234            $reservation = $reservation->fresh();
_234
_234            if (strpos($smsInput, 'yes') !== false || strpos($smsInput, 'accept') !== false)
_234            {
_234                $reservation->confirm($this->getNewTwilioNumber($client, $host));
_234            }
_234            else
_234            {
_234                $reservation->reject();
_234            }
_234
_234            $smsResponse = 'You have successfully ' . $reservation->status . ' the reservation.';
_234        }
_234        else
_234        {
_234            $smsResponse = 'Sorry, it looks like you don\'t have any reservations to respond to.';
_234        }
_234
_234        return response($this->respond($smsResponse, $reservation))->header('Content-Type', 'application/xml');
_234    }
_234
_234    public function connectSms(Request $request)
_234    {
_234        $twilioNumber = $request->input('To');
_234        $incomingNumber = $request->input('From');
_234        $messageBody = $request->input('Body');
_234
_234        $reservation = $this->getReservationFromNumber($twilioNumber);
_234        $host = $reservation->property->user;
_234        $guest = $reservation->user;
_234
_234        if ($incomingNumber === $host->fullNumber())
_234        {
_234            $outgoingNumber = $guest->fullNumber();
_234        }
_234        else
_234        {
_234            $outgoingNumber = $host->fullNumber();
_234        }
_234
_234        return response($this->connectSmsResponse($messageBody, $outgoingNumber))->header('Content-Type', 'application/xml');
_234    }
_234
_234    public function connectVoice(Request $request)
_234    {
_234        $twilioNumber = $request->input('To');
_234        $incomingNumber = $request->input('From');
_234
_234        $reservation = $this->getReservationFromNumber($twilioNumber);
_234        $host = $reservation->property->user;
_234        $guest = $reservation->user;
_234
_234        if ($incomingNumber === $host->fullNumber())
_234        {
_234            $outgoingNumber = $guest->fullNumber();
_234        }
_234        else
_234        {
_234            $outgoingNumber = $host->fullNumber();
_234        }
_234
_234        return response($this->connectVoiceResponse($outgoingNumber))->header('Content-Type', 'application/xml');
_234    }
_234
_234    private function getReservationFromNumber($twilioNumber)
_234    {
_234        return Reservation::where('twilio_number', '=', $twilioNumber)->first();
_234    }
_234
_234    private function connectVoiceResponse($outgoingNumber)
_234    {
_234        $response = new Twiml();
_234        $response->play('http://howtodocs.s3.amazonaws.com/howdy-tng.mp3');
_234        $response->dial($outgoingNumber);
_234
_234        return $response;
_234    }
_234
_234    private function connectSmsResponse($messageBody, $outgoingNumber)
_234    {
_234        $response = new Twiml();
_234        $response->message(
_234            $messageBody,
_234            ['to' => $outgoingNumber]
_234        );
_234
_234        return $response;
_234    }
_234
_234    private function respond($smsResponse, $reservation)
_234    {
_234        $response = new Twiml();
_234        $response->message($smsResponse);
_234
_234        if (!is_null($reservation))
_234        {
_234            $response->message(
_234                'Your reservation has been ' . $reservation->status . '.',
_234                ['to' => $reservation->user->fullNumber()]
_234            );
_234        }
_234        return $response;
_234    }
_234
_234    private function notifyHost($client, $reservation)
_234    {
_234        $host = $reservation->property->user;
_234
_234        $twilioNumber = config('services.twilio')['number'];
_234
_234        $messageBody = $reservation->message . ' - Reply \'yes\' or \'accept\' to confirm the reservation, or anything else to reject it.';
_234
_234        try {
_234            $client->messages->create(
_234                $host->fullNumber(), // Text any number
_234                [
_234                    'from' => $twilioNumber, // From a Twilio number in your account
_234                    'body' => $messageBody
_234                ]
_234            );
_234        } catch (Exception $e) {
_234            Log::error($e->getMessage());
_234        }
_234    }
_234
_234    private function getNewTwilioNumber($client, $host)
_234    {
_234        $numbers = $client->availablePhoneNumbers('US')->local->read(
_234            [
_234                'areaCode' => $host->areaCode(),
_234                'voiceEnabled' => 'true',
_234                "smsEnabled" => 'true'
_234            ]
_234        );
_234
_234        if (empty($numbers)) {
_234            $numbers = $client->availablePhoneNumbers('US')->local->read(
_234                [
_234                    'voiceEnabled' => 'true',
_234                    "smsEnabled" => 'true'
_234                ]
_234            );
_234        }
_234        $twilioNumber = $numbers[0]->phoneNumber;
_234
_234        $newNumber = $client->incomingPhoneNumbers->create(
_234            [
_234                "phoneNumber" => $twilioNumber,
_234                "smsApplicationSid" => config('services.twilio')['applicationSid'],
_234                "voiceApplicationSid" => config('services.twilio')['applicationSid']
_234            ]
_234        );
_234
_234        if ($newNumber) {
_234            return $twilioNumber;
_234        } else {
_234            return 0;
_234        }
_234    }
_234}

Now that each reservation has a Twilio Phone Number, we can see how the application will look up reservations as guest or host calls come in.

Find a Reservation

When someone sends an SMS or calls one of the Twilio numbers you have configured, Twilio makes a request to the URL you set in the TwiML app. In this request, Twilio includes some useful information including:

the From number that originally called or sent an SMS
the To Twilio number that triggered this request

Take a look at Twilio's SMS Documentation and Twilio's Voice Documentation for a full list of the parameters you can use.

In our controller we use the To parameter sent by Twilio to find a reservation that has the number we bought stored in it, as this is the number both hosts and guests will call and send sms to.

Find a Reservation

app/Http/Controllers/ReservationController.php


_234<?php
_234namespace App\Http\Controllers;
_234use Illuminate\Http\Request;
_234use App\Http\Requests;
_234use App\Http\Controllers\Controller;
_234use Illuminate\Contracts\Auth\Authenticatable;
_234use App\Reservation;
_234use App\User;
_234use App\VacationProperty;
_234use DB;
_234use Twilio\Rest\Client;
_234use Twilio\Twiml;
_234use Log;
_234
_234class ReservationController extends Controller
_234{
_234    public function index(Authenticatable $user)
_234    {
_234        $reservations = array();
_234
_234        foreach ($user->propertyReservations as $reservation)
_234        {
_234            array_push($reservations, $reservation->fresh());
_234        }
_234        return view(
_234            'reservation.index',
_234            [
_234                'hostReservations' => $reservations,
_234                'guestReservations' => $user->reservations
_234            ]
_234        );
_234    }
_234
_234    /**
_234     * Store a new reservation
_234     *
_234     * @param  \Illuminate\Http\Request  $request
_234     * @return \Illuminate\Http\Response
_234     */
_234    public function create(Client $client, Request $request, Authenticatable $user, $id)
_234    {
_234        $this->validate(
_234            $request, [
_234                'message' => 'required|string'
_234            ]
_234        );
_234        $property = VacationProperty::find($id);
_234        $reservation = new Reservation($request->all());
_234
_234        $reservation->user()->associate($user);
_234
_234        $property->reservations()->save($reservation);
_234
_234        $this->notifyHost($client, $reservation);
_234
_234        $request->session()->flash(
_234            'status',
_234            "Sending your reservation request now."
_234        );
_234        return redirect()->route('reservation-index', ['id' => $property->id]);
_234    }
_234
_234    public function acceptReject(Client $client, Request $request)
_234    {
_234        $hostNumber = $request->input('From');
_234        $smsInput = strtolower($request->input('Body'));
_234        $host = User::where(DB::raw("CONCAT('+',country_code::text, phone_number::text)"), 'LIKE', "%".$hostNumber."%")
_234            ->get()
_234            ->first();
_234
_234        $reservation = $host->pendingReservations()->first();
_234        $smsResponse = null;
_234        if (!is_null($reservation))
_234        {
_234            $reservation = $reservation->fresh();
_234
_234            if (strpos($smsInput, 'yes') !== false || strpos($smsInput, 'accept') !== false)
_234            {
_234                $reservation->confirm($this->getNewTwilioNumber($client, $host));
_234            }
_234            else
_234            {
_234                $reservation->reject();
_234            }
_234
_234            $smsResponse = 'You have successfully ' . $reservation->status . ' the reservation.';
_234        }
_234        else
_234        {
_234            $smsResponse = 'Sorry, it looks like you don\'t have any reservations to respond to.';
_234        }
_234
_234        return response($this->respond($smsResponse, $reservation))->header('Content-Type', 'application/xml');
_234    }
_234
_234    public function connectSms(Request $request)
_234    {
_234        $twilioNumber = $request->input('To');
_234        $incomingNumber = $request->input('From');
_234        $messageBody = $request->input('Body');
_234
_234        $reservation = $this->getReservationFromNumber($twilioNumber);
_234        $host = $reservation->property->user;
_234        $guest = $reservation->user;
_234
_234        if ($incomingNumber === $host->fullNumber())
_234        {
_234            $outgoingNumber = $guest->fullNumber();
_234        }
_234        else
_234        {
_234            $outgoingNumber = $host->fullNumber();
_234        }
_234
_234        return response($this->connectSmsResponse($messageBody, $outgoingNumber))->header('Content-Type', 'application/xml');
_234    }
_234
_234    public function connectVoice(Request $request)
_234    {
_234        $twilioNumber = $request->input('To');
_234        $incomingNumber = $request->input('From');
_234
_234        $reservation = $this->getReservationFromNumber($twilioNumber);
_234        $host = $reservation->property->user;
_234        $guest = $reservation->user;
_234
_234        if ($incomingNumber === $host->fullNumber())
_234        {
_234            $outgoingNumber = $guest->fullNumber();
_234        }
_234        else
_234        {
_234            $outgoingNumber = $host->fullNumber();
_234        }
_234
_234        return response($this->connectVoiceResponse($outgoingNumber))->header('Content-Type', 'application/xml');
_234    }
_234
_234    private function getReservationFromNumber($twilioNumber)
_234    {
_234        return Reservation::where('twilio_number', '=', $twilioNumber)->first();
_234    }
_234
_234    private function connectVoiceResponse($outgoingNumber)
_234    {
_234        $response = new Twiml();
_234        $response->play('http://howtodocs.s3.amazonaws.com/howdy-tng.mp3');
_234        $response->dial($outgoingNumber);
_234
_234        return $response;
_234    }
_234
_234    private function connectSmsResponse($messageBody, $outgoingNumber)
_234    {
_234        $response = new Twiml();
_234        $response->message(
_234            $messageBody,
_234            ['to' => $outgoingNumber]
_234        );
_234
_234        return $response;
_234    }
_234
_234    private function respond($smsResponse, $reservation)
_234    {
_234        $response = new Twiml();
_234        $response->message($smsResponse);
_234
_234        if (!is_null($reservation))
_234        {
_234            $response->message(
_234                'Your reservation has been ' . $reservation->status . '.',
_234                ['to' => $reservation->user->fullNumber()]
_234            );
_234        }
_234        return $response;
_234    }
_234
_234    private function notifyHost($client, $reservation)
_234    {
_234        $host = $reservation->property->user;
_234
_234        $twilioNumber = config('services.twilio')['number'];
_234
_234        $messageBody = $reservation->message . ' - Reply \'yes\' or \'accept\' to confirm the reservation, or anything else to reject it.';
_234
_234        try {
_234            $client->messages->create(
_234                $host->fullNumber(), // Text any number
_234                [
_234                    'from' => $twilioNumber, // From a Twilio number in your account
_234                    'body' => $messageBody
_234                ]
_234            );
_234        } catch (Exception $e) {
_234            Log::error($e->getMessage());
_234        }
_234    }
_234
_234    private function getNewTwilioNumber($client, $host)
_234    {
_234        $numbers = $client->availablePhoneNumbers('US')->local->read(
_234            [
_234                'areaCode' => $host->areaCode(),
_234                'voiceEnabled' => 'true',
_234                "smsEnabled" => 'true'
_234            ]
_234        );
_234
_234        if (empty($numbers)) {
_234            $numbers = $client->availablePhoneNumbers('US')->local->read(
_234                [
_234                    'voiceEnabled' => 'true',
_234                    "smsEnabled" => 'true'
_234                ]
_234            );
_234        }
_234        $twilioNumber = $numbers[0]->phoneNumber;
_234
_234        $newNumber = $client->incomingPhoneNumbers->create(
_234            [
_234                "phoneNumber" => $twilioNumber,
_234                "smsApplicationSid" => config('services.twilio')['applicationSid'],
_234                "voiceApplicationSid" => config('services.twilio')['applicationSid']
_234            ]
_234        );
_234
_234        if ($newNumber) {
_234            return $twilioNumber;
_234        } else {
_234            return 0;
_234        }
_234    }
_234}

Next, let's see how to connect the guest and the host via SMS.

Connect Via SMS

Our Twilio application should be configured to send HTTP requests to this controller method on any incoming text message. Our app responds with TwiML to tell Twilio what to do in response to the message.

If the initial message sent to the anonymous number was sent by the host, we forward it on to the guest. Conversely, if the original message was sent by the guest, we forward it to the host.

Connect Via SMS

app/Http/Controllers/ReservationController.php


_234<?php
_234namespace App\Http\Controllers;
_234use Illuminate\Http\Request;
_234use App\Http\Requests;
_234use App\Http\Controllers\Controller;
_234use Illuminate\Contracts\Auth\Authenticatable;
_234use App\Reservation;
_234use App\User;
_234use App\VacationProperty;
_234use DB;
_234use Twilio\Rest\Client;
_234use Twilio\Twiml;
_234use Log;
_234
_234class ReservationController extends Controller
_234{
_234    public function index(Authenticatable $user)
_234    {
_234        $reservations = array();
_234
_234        foreach ($user->propertyReservations as $reservation)
_234        {
_234            array_push($reservations, $reservation->fresh());
_234        }
_234        return view(
_234            'reservation.index',
_234            [
_234                'hostReservations' => $reservations,
_234                'guestReservations' => $user->reservations
_234            ]
_234        );
_234    }
_234
_234    /**
_234     * Store a new reservation
_234     *
_234     * @param  \Illuminate\Http\Request  $request
_234     * @return \Illuminate\Http\Response
_234     */
_234    public function create(Client $client, Request $request, Authenticatable $user, $id)
_234    {
_234        $this->validate(
_234            $request, [
_234                'message' => 'required|string'
_234            ]
_234        );
_234        $property = VacationProperty::find($id);
_234        $reservation = new Reservation($request->all());
_234
_234        $reservation->user()->associate($user);
_234
_234        $property->reservations()->save($reservation);
_234
_234        $this->notifyHost($client, $reservation);
_234
_234        $request->session()->flash(
_234            'status',
_234            "Sending your reservation request now."
_234        );
_234        return redirect()->route('reservation-index', ['id' => $property->id]);
_234    }
_234
_234    public function acceptReject(Client $client, Request $request)
_234    {
_234        $hostNumber = $request->input('From');
_234        $smsInput = strtolower($request->input('Body'));
_234        $host = User::where(DB::raw("CONCAT('+',country_code::text, phone_number::text)"), 'LIKE', "%".$hostNumber."%")
_234            ->get()
_234            ->first();
_234
_234        $reservation = $host->pendingReservations()->first();
_234        $smsResponse = null;
_234        if (!is_null($reservation))
_234        {
_234            $reservation = $reservation->fresh();
_234
_234            if (strpos($smsInput, 'yes') !== false || strpos($smsInput, 'accept') !== false)
_234            {
_234                $reservation->confirm($this->getNewTwilioNumber($client, $host));
_234            }
_234            else
_234            {
_234                $reservation->reject();
_234            }
_234
_234            $smsResponse = 'You have successfully ' . $reservation->status . ' the reservation.';
_234        }
_234        else
_234        {
_234            $smsResponse = 'Sorry, it looks like you don\'t have any reservations to respond to.';
_234        }
_234
_234        return response($this->respond($smsResponse, $reservation))->header('Content-Type', 'application/xml');
_234    }
_234
_234    public function connectSms(Request $request)
_234    {
_234        $twilioNumber = $request->input('To');
_234        $incomingNumber = $request->input('From');
_234        $messageBody = $request->input('Body');
_234
_234        $reservation = $this->getReservationFromNumber($twilioNumber);
_234        $host = $reservation->property->user;
_234        $guest = $reservation->user;
_234
_234        if ($incomingNumber === $host->fullNumber())
_234        {
_234            $outgoingNumber = $guest->fullNumber();
_234        }
_234        else
_234        {
_234            $outgoingNumber = $host->fullNumber();
_234        }
_234
_234        return response($this->connectSmsResponse($messageBody, $outgoingNumber))->header('Content-Type', 'application/xml');
_234    }
_234
_234    public function connectVoice(Request $request)
_234    {
_234        $twilioNumber = $request->input('To');
_234        $incomingNumber = $request->input('From');
_234
_234        $reservation = $this->getReservationFromNumber($twilioNumber);
_234        $host = $reservation->property->user;
_234        $guest = $reservation->user;
_234
_234        if ($incomingNumber === $host->fullNumber())
_234        {
_234            $outgoingNumber = $guest->fullNumber();
_234        }
_234        else
_234        {
_234            $outgoingNumber = $host->fullNumber();
_234        }
_234
_234        return response($this->connectVoiceResponse($outgoingNumber))->header('Content-Type', 'application/xml');
_234    }
_234
_234    private function getReservationFromNumber($twilioNumber)
_234    {
_234        return Reservation::where('twilio_number', '=', $twilioNumber)->first();
_234    }
_234
_234    private function connectVoiceResponse($outgoingNumber)
_234    {
_234        $response = new Twiml();
_234        $response->play('http://howtodocs.s3.amazonaws.com/howdy-tng.mp3');
_234        $response->dial($outgoingNumber);
_234
_234        return $response;
_234    }
_234
_234    private function connectSmsResponse($messageBody, $outgoingNumber)
_234    {
_234        $response = new Twiml();
_234        $response->message(
_234            $messageBody,
_234            ['to' => $outgoingNumber]
_234        );
_234
_234        return $response;
_234    }
_234
_234    private function respond($smsResponse, $reservation)
_234    {
_234        $response = new Twiml();
_234        $response->message($smsResponse);
_234
_234        if (!is_null($reservation))
_234        {
_234            $response->message(
_234                'Your reservation has been ' . $reservation->status . '.',
_234                ['to' => $reservation->user->fullNumber()]
_234            );
_234        }
_234        return $response;
_234    }
_234
_234    private function notifyHost($client, $reservation)
_234    {
_234        $host = $reservation->property->user;
_234
_234        $twilioNumber = config('services.twilio')['number'];
_234
_234        $messageBody = $reservation->message . ' - Reply \'yes\' or \'accept\' to confirm the reservation, or anything else to reject it.';
_234
_234        try {
_234            $client->messages->create(
_234                $host->fullNumber(), // Text any number
_234                [
_234                    'from' => $twilioNumber, // From a Twilio number in your account
_234                    'body' => $messageBody
_234                ]
_234            );
_234        } catch (Exception $e) {
_234            Log::error($e->getMessage());
_234        }
_234    }
_234
_234    private function getNewTwilioNumber($client, $host)
_234    {
_234        $numbers = $client->availablePhoneNumbers('US')->local->read(
_234            [
_234                'areaCode' => $host->areaCode(),
_234                'voiceEnabled' => 'true',
_234                "smsEnabled" => 'true'
_234            ]
_234        );
_234
_234        if (empty($numbers)) {
_234            $numbers = $client->availablePhoneNumbers('US')->local->read(
_234                [
_234                    'voiceEnabled' => 'true',
_234                    "smsEnabled" => 'true'
_234                ]
_234            );
_234        }
_234        $twilioNumber = $numbers[0]->phoneNumber;
_234
_234        $newNumber = $client->incomingPhoneNumbers->create(
_234            [
_234                "phoneNumber" => $twilioNumber,
_234                "smsApplicationSid" => config('services.twilio')['applicationSid'],
_234                "voiceApplicationSid" => config('services.twilio')['applicationSid']
_234            ]
_234        );
_234
_234        if ($newNumber) {
_234            return $twilioNumber;
_234        } else {
_234            return 0;
_234        }
_234    }
_234}

Let's see how to connect the guest and the host via phone call next.

Connect Via Phone Call

Our Twilio application will send HTTP requests to this method on any incoming voice call. Our app responds with TwiML instructions that tell Twilio to Play an introductory MP3 audio file and thenDial either the guest or host, depending on who initiated the call.

Connect Via Phone Call

app/Http/Controllers/ReservationController.php


_234<?php
_234namespace App\Http\Controllers;
_234use Illuminate\Http\Request;
_234use App\Http\Requests;
_234use App\Http\Controllers\Controller;
_234use Illuminate\Contracts\Auth\Authenticatable;
_234use App\Reservation;
_234use App\User;
_234use App\VacationProperty;
_234use DB;
_234use Twilio\Rest\Client;
_234use Twilio\Twiml;
_234use Log;
_234
_234class ReservationController extends Controller
_234{
_234    public function index(Authenticatable $user)
_234    {
_234        $reservations = array();
_234
_234        foreach ($user->propertyReservations as $reservation)
_234        {
_234            array_push($reservations, $reservation->fresh());
_234        }
_234        return view(
_234            'reservation.index',
_234            [
_234                'hostReservations' => $reservations,
_234                'guestReservations' => $user->reservations
_234            ]
_234        );
_234    }
_234
_234    /**
_234     * Store a new reservation
_234     *
_234     * @param  \Illuminate\Http\Request  $request
_234     * @return \Illuminate\Http\Response
_234     */
_234    public function create(Client $client, Request $request, Authenticatable $user, $id)
_234    {
_234        $this->validate(
_234            $request, [
_234                'message' => 'required|string'
_234            ]
_234        );
_234        $property = VacationProperty::find($id);
_234        $reservation = new Reservation($request->all());
_234
_234        $reservation->user()->associate($user);
_234
_234        $property->reservations()->save($reservation);
_234
_234        $this->notifyHost($client, $reservation);
_234
_234        $request->session()->flash(
_234            'status',
_234            "Sending your reservation request now."
_234        );
_234        return redirect()->route('reservation-index', ['id' => $property->id]);
_234    }
_234
_234    public function acceptReject(Client $client, Request $request)
_234    {
_234        $hostNumber = $request->input('From');
_234        $smsInput = strtolower($request->input('Body'));
_234        $host = User::where(DB::raw("CONCAT('+',country_code::text, phone_number::text)"), 'LIKE', "%".$hostNumber."%")
_234            ->get()
_234            ->first();
_234
_234        $reservation = $host->pendingReservations()->first();
_234        $smsResponse = null;
_234        if (!is_null($reservation))
_234        {
_234            $reservation = $reservation->fresh();
_234
_234            if (strpos($smsInput, 'yes') !== false || strpos($smsInput, 'accept') !== false)
_234            {
_234                $reservation->confirm($this->getNewTwilioNumber($client, $host));
_234            }
_234            else
_234            {
_234                $reservation->reject();
_234            }
_234
_234            $smsResponse = 'You have successfully ' . $reservation->status . ' the reservation.';
_234        }
_234        else
_234        {
_234            $smsResponse = 'Sorry, it looks like you don\'t have any reservations to respond to.';
_234        }
_234
_234        return response($this->respond($smsResponse, $reservation))->header('Content-Type', 'application/xml');
_234    }
_234
_234    public function connectSms(Request $request)
_234    {
_234        $twilioNumber = $request->input('To');
_234        $incomingNumber = $request->input('From');
_234        $messageBody = $request->input('Body');
_234
_234        $reservation = $this->getReservationFromNumber($twilioNumber);
_234        $host = $reservation->property->user;
_234        $guest = $reservation->user;
_234
_234        if ($incomingNumber === $host->fullNumber())
_234        {
_234            $outgoingNumber = $guest->fullNumber();
_234        }
_234        else
_234        {
_234            $outgoingNumber = $host->fullNumber();
_234        }
_234
_234        return response($this->connectSmsResponse($messageBody, $outgoingNumber))->header('Content-Type', 'application/xml');
_234    }
_234
_234    public function connectVoice(Request $request)
_234    {
_234        $twilioNumber = $request->input('To');
_234        $incomingNumber = $request->input('From');
_234
_234        $reservation = $this->getReservationFromNumber($twilioNumber);
_234        $host = $reservation->property->user;
_234        $guest = $reservation->user;
_234
_234        if ($incomingNumber === $host->fullNumber())
_234        {
_234            $outgoingNumber = $guest->fullNumber();
_234        }
_234        else
_234        {
_234            $outgoingNumber = $host->fullNumber();
_234        }
_234
_234        return response($this->connectVoiceResponse($outgoingNumber))->header('Content-Type', 'application/xml');
_234    }
_234
_234    private function getReservationFromNumber($twilioNumber)
_234    {
_234        return Reservation::where('twilio_number', '=', $twilioNumber)->first();
_234    }
_234
_234    private function connectVoiceResponse($outgoingNumber)
_234    {
_234        $response = new Twiml();
_234        $response->play('http://howtodocs.s3.amazonaws.com/howdy-tng.mp3');
_234        $response->dial($outgoingNumber);
_234
_234        return $response;
_234    }
_234
_234    private function connectSmsResponse($messageBody, $outgoingNumber)
_234    {
_234        $response = new Twiml();
_234        $response->message(
_234            $messageBody,
_234            ['to' => $outgoingNumber]
_234        );
_234
_234        return $response;
_234    }
_234
_234    private function respond($smsResponse, $reservation)
_234    {
_234        $response = new Twiml();
_234        $response->message($smsResponse);
_234
_234        if (!is_null($reservation))
_234        {
_234            $response->message(
_234                'Your reservation has been ' . $reservation->status . '.',
_234                ['to' => $reservation->user->fullNumber()]
_234            );
_234        }
_234        return $response;
_234    }
_234
_234    private function notifyHost($client, $reservation)
_234    {
_234        $host = $reservation->property->user;
_234
_234        $twilioNumber = config('services.twilio')['number'];
_234
_234        $messageBody = $reservation->message . ' - Reply \'yes\' or \'accept\' to confirm the reservation, or anything else to reject it.';
_234
_234        try {
_234            $client->messages->create(
_234                $host->fullNumber(), // Text any number
_234                [
_234                    'from' => $twilioNumber, // From a Twilio number in your account
_234                    'body' => $messageBody
_234                ]
_234            );
_234        } catch (Exception $e) {
_234            Log::error($e->getMessage());
_234        }
_234    }
_234
_234    private function getNewTwilioNumber($client, $host)
_234    {
_234        $numbers = $client->availablePhoneNumbers('US')->local->read(
_234            [
_234                'areaCode' => $host->areaCode(),
_234                'voiceEnabled' => 'true',
_234                "smsEnabled" => 'true'
_234            ]
_234        );
_234
_234        if (empty($numbers)) {
_234            $numbers = $client->availablePhoneNumbers('US')->local->read(
_234                [
_234                    'voiceEnabled' => 'true',
_234                    "smsEnabled" => 'true'
_234                ]
_234            );
_234        }
_234        $twilioNumber = $numbers[0]->phoneNumber;
_234
_234        $newNumber = $client->incomingPhoneNumbers->create(
_234            [
_234                "phoneNumber" => $twilioNumber,
_234                "smsApplicationSid" => config('services.twilio')['applicationSid'],
_234                "voiceApplicationSid" => config('services.twilio')['applicationSid']
_234            ]
_234        );
_234
_234        if ($newNumber) {
_234            return $twilioNumber;
_234        } else {
_234            return 0;
_234        }
_234    }
_234}

That's it! We've just implemented anonymous communications that allow your customers to connect while protecting their privacy.

Where to Next?

If you're a PHP developer working with Twilio, you might want to check out these other tutorials:

Click-To-Call

Put a button on your web page that connects visitors to live support or sales people via telephone.

Automated Survey

Instantly collect structured data from your users with a survey conducted over a voice call or SMS text messages.

Did this help?

Thanks for checking out this tutorial! If you have any feedback to share with us, we'd love to hear it. Tweet @twilio to let us know what you think.