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SparkPost PHP Library

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The official PHP library for using the SparkPost REST API.

Before using this library, you must have a valid API Key. To get an API Key, please log in to your SparkPost account and generate one in the Settings page.

Installation

Please note: The composer package sparkpost/php-sparkpost has been changed to sparkpost/sparkpost starting with version 2.0.

The recommended way to install the SparkPost PHP Library is through composer.

# Install Composer
curl -sS https://getcomposer.org/installer | php

Sparkpost requires php-http client (see Setting up a Request Adapter). There are several providers available. If you were using guzzle6 your install might look like this.

composer require php-http/guzzle6-adapter "^1.1"
composer require guzzlehttp/guzzle "^6.0"

Next, run the Composer command to install the SparkPost PHP Library:

composer require sparkpost/sparkpost

After installing, you need to require Composer's autoloader:

require 'vendor/autoload.php';
use SparkPost\SparkPost;

Note: Without composer the costs outweigh the benefits of using the PHP client library. A simple function like the one in issue #164 wraps the SparkPost API and makes it easy to use the API without resolving the composer dependencies.

Running with IDEs

When running with xdebug under an IDE such as VS Code, you may see an exception is thrown in file vendor/php-http/discovery/src/Strategy/PuliBetaStrategy.php:

Exception has occurred.
Http\Discovery\Exception\PuliUnavailableException: Puli Factory is not available

This is usual. Puli is not required to use the library. You can resume running after the exception.

You can prevent the exception, by setting the discovery strategies, prior to creating the adapter object:

// Prevent annoying "Puli exception" during work with xdebug / IDE
// See https://github.com/getsentry/sentry-php/issues/801
\Http\Discovery\ClassDiscovery::setStrategies([
        // \Http\Discovery\Strategy\PuliBetaStrategy::class, // Deliberately disabled
        \Http\Discovery\Strategy\CommonClassesStrategy::class,
        \Http\Discovery\Strategy\CommonPsr17ClassesStrategy::class,
]);

Setting up a Request Adapter

Because of dependency collision, we have opted to use a request adapter rather than requiring a request library. This means that your application will need to pass in a request adapter to the constructor of the SparkPost Library. We use the HTTPlug in SparkPost. Please visit their repo for a list of supported clients and adapters. If you don't currently use a request library, you will need to require one and create a client from it and pass it along. The example below uses the GuzzleHttp Client Library.

A Client can be setup like so:

<?php
require 'vendor/autoload.php';

use SparkPost\SparkPost;
use GuzzleHttp\Client;
use Http\Adapter\Guzzle6\Client as GuzzleAdapter;

$httpClient = new GuzzleAdapter(new Client());
$sparky = new SparkPost($httpClient, ['key'=>'YOUR_API_KEY']);
?>

Initialization

new Sparkpost(httpClient, options)

  • httpClient
    • Required: Yes
    • HTTP client or adapter supported by HTTPlug
  • options
    • Required: Yes
    • Type: String or Array
    • A valid Sparkpost API key or an array of options
  • options.key
    • Required: Yes
    • Type: String
    • A valid Sparkpost API key
  • options.host
    • Required: No
    • Type: String
    • Default: api.sparkpost.com
  • options.protocol
    • Required: No
    • Type: String
    • Default: https
  • options.port
    • Required: No
    • Type: Number
    • Default: 443
  • options.version
    • Required: No
    • Type: String
    • Default: v1
  • options.async
    • Required: No
    • Type: Boolean
    • Default: true
    • async defines if the request function sends an asynchronous or synchronous request. If your client does not support async requests set this to false
  • options.retries
    • Required: No
    • Type: Number
    • Default: 0
    • retries controls how many API call attempts the client makes after receiving a 5xx response
  • options.debug
    • Required: No
    • Type: Boolean
    • Default: false
    • If debug is true, then all SparkPostResponse and SparkPostException instances will return any array of the request values through the function getRequest

Methods

request(method, uri [, payload [, headers]])

  • method
    • Required: Yes
    • Type: String
    • HTTP method for request
  • uri
    • Required: Yes
    • Type: String
    • The URI to receive the request
  • payload
    • Required: No
    • Type: Array
    • If the method is GET the values are encoded into the URL. Otherwise, if the method is POST, PUT, or DELETE the payload is used for the request body.
  • headers
    • Required: No
    • Type: Array
    • Custom headers to be sent with the request.

syncRequest(method, uri [, payload [, headers]])

Sends a synchronous request to the SparkPost API and returns a SparkPostResponse

asyncRequest(method, uri [, payload [, headers]])

Sends an asynchronous request to the SparkPost API and returns a SparkPostPromise

setHttpClient(httpClient)

  • httpClient
    • Required: Yes
    • HTTP client or adapter supported by HTTPlug

setOptions(options)

  • options
    • Required: Yes
    • Type: Array
    • See constructor

Endpoints

transmissions

  • post(payload)
    • payload - see request options
    • payload.cc
      • Required: No
      • Type: Array
      • Recipients to receive a carbon copy of the transmission
    • payload.bcc
      • Required: No
      • Type: Array
      • Recipients to discreetly receive a carbon copy of the transmission

Examples

Send An Email Using The Transmissions Endpoint

<?php
require 'vendor/autoload.php';

use SparkPost\SparkPost;
use GuzzleHttp\Client;
use Http\Adapter\Guzzle6\Client as GuzzleAdapter;

$httpClient = new GuzzleAdapter(new Client());
// Good practice to not have API key literals in code - set an environment variable instead
// For simple example, use synchronous model
$sparky = new SparkPost($httpClient, ['key' => getenv('SPARKPOST_API_KEY'), 'async' => false]);

try {
    $response = $sparky->transmissions->post([
        'content' => [
            'from' => [
                'name' => 'SparkPost Team',
                'email' => 'from@sparkpostbox.com',
            ],
            'subject' => 'First Mailing From PHP',
            'html' => '<html><body><h1>Congratulations, {{name}}!</h1><p>You just sent your very first mailing!</p></body></html>',
            'text' => 'Congratulations, {{name}}!! You just sent your very first mailing!',
        ],
        'substitution_data' => ['name' => 'YOUR_FIRST_NAME'],
        'recipients' => [
            [
                'address' => [
                    'name' => 'YOUR_NAME',
                    'email' => 'YOUR_EMAIL',
                ],
            ],
        ],
        'cc' => [
            [
                'address' => [
                    'name' => 'ANOTHER_NAME',
                    'email' => 'ANOTHER_EMAIL',
                ],
            ],
        ],
        'bcc' => [
            [
                'address' => [
                    'name' => 'AND_ANOTHER_NAME',
                    'email' => 'AND_ANOTHER_EMAIL',
                ],
            ],
        ],
    ]);
    } catch (\Exception $error) {
        var_dump($error);
    }
print($response->getStatusCode());
$results = $response->getBody()['results'];
var_dump($results);
?>

More examples here:

Transmissions

  • Create with attachment
  • Create with recipient list
  • Create with cc and bcc
  • Create with template
  • Create
  • Delete (scheduled transmission by campaign_id only)

Templates

  • Create
  • Get
  • Get (list) all
  • Update
  • Delete

Message Events

  • get
  • get (with retry logic)

Send An API Call Using The Base Request Function

We provide a base request function to access any of our API resources.

<?php
require 'vendor/autoload.php';

use SparkPost\SparkPost;
use GuzzleHttp\Client;
use Http\Adapter\Guzzle6\Client as GuzzleAdapter;

$httpClient = new GuzzleAdapter(new Client());
$sparky = new SparkPost($httpClient, [
    'key' => getenv('SPARKPOST_API_KEY'),
    'async' => false]);

$webhookId = 'afd20f50-865a-11eb-ac38-6d7965d56459';
$response = $sparky->request('DELETE', 'webhooks/' . $webhookId);
print($response->getStatusCode());
?>

Be sure to not have a leading / in your resource URI.

For complete list of resources, refer to API documentation.

Handling Responses

The API calls either return a SparkPostPromise or SparkPostResponse depending on if async is true or false

Synchronous

$sparky->setOptions(['async' => false]);
try {
    $response = ... // YOUR API CALL GOES HERE

    echo $response->getStatusCode()."\n";
    print_r($response->getBody())."\n";
}
catch (\Exception $e) {
    echo $e->getCode()."\n";
    echo $e->getMessage()."\n";
}

Asynchronous

Asynchronous an be handled in two ways: by passing callbacks or waiting for the promise to be fulfilled. Waiting acts like synchronous request.

Wait (Synchronous)
$promise = ... // YOUR API CALL GOES HERE

try {
    $response = $promise->wait();
    echo $response->getStatusCode()."\n";
    print_r($response->getBody())."\n";
} catch (\Exception $e) {
    echo $e->getCode()."\n";
    echo $e->getMessage()."\n";
}

echo "I will print out after the promise is fulfilled";
Then (Asynchronous)
$promise = ... // YOUR API CALL GOES HERE

$promise->then(
    // Success callback
    function ($response) {
        echo $response->getStatusCode()."\n";
        print_r($response->getBody())."\n";
    },
    // Failure callback
    function (Exception $e) {
        echo $e->getCode()."\n";
        echo $e->getMessage()."\n";
    }
);

echo "I will print out before the promise is fulfilled";

// You can combine multiple promises using \GuzzleHttp\Promise\all() and other functions from the library.
$promise->wait();

Handling Exceptions

An exception will be thrown in two cases: there is a problem with the request or the server returns a status code of 400 or higher.

SparkPostException

  • getCode()
    • Returns the response status code of 400 or higher
  • getMessage()
    • Returns the exception message
  • getBody()
    • If there is a response body it returns it as an Array. Otherwise it returns null.
  • getRequest()
    • Returns an array with the request values method, url, headers, body when debug is true

Contributing

See contributing.