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Telnyx PHP SDK
--------------
[](https://travis-ci.org/team-telnyx/telnyx-php)
[](https://packagist.org/packages/telnyx/telnyx-php)
[](https://packagist.org/packages/telnyx/telnyx-php)
[](https://packagist.org/packages/telnyx/telnyx-php)
[](https://coveralls.io/github/team-telnyx/telnyx-php?branch=master&)
You can sign up for a Telnyx account at [telnyx.com](https://telnyx.com).
Installation
------------
This library supports PHP 5.6 and above.
Installation of this module uses composer. For composer documentation, please refer to
[getcomposer.org](http://getcomposer.org/).
```bash
$ composer require team-telnyx/telnyx-php
```
Dependencies
------------
Some PHP extensions are required:
- [`curl`](https://secure.php.net/manual/en/book.curl.php), although you can use your own non-cURL client if you prefer
- [`json`](https://secure.php.net/manual/en/book.json.php)
- [`mbstring`](https://secure.php.net/manual/en/book.mbstring.php) (Multibyte String)
Composer will handle these dependencies. If you install manually, you'll want to make sure that these extensions are available.
Getting Started
---------------
Basic example:
```php
use Telnyx;
Telnyx\Telnyx::setApiKey('sk_test_BQokikJOvBiI2HlWgH4olfQ2');
$order = Telnyx\NumberOrder::create(['phone_number' => '+18665552368']);
echo $order;
```
Documentation
-------------
Please see https://developers.telnyx.com/docs/api/v2/overview for up-to-date documentation.
Custom Request Timeouts
-----------------------
To modify request timeouts (connect or total, in seconds) you'll need to tell the API client to use a CurlClient other than its default. You'll set the timeouts in that CurlClient.
```php
use Telnyx;
// set up your tweaked Curl client
$curl = new Telnyx\HttpClient\CurlClient();
$curl->setTimeout(10); // default is Telnyx\HttpClient\CurlClient::DEFAULT_TIMEOUT
$curl->setConnectTimeout(5); // default is Telnyx\HttpClient\CurlClient::DEFAULT_CONNECT_TIMEOUT
echo $curl->getTimeout(); // 10
echo $curl->getConnectTimeout(); // 5
// tell Telnyx to use the tweaked client
Telnyx\ApiRequestor::setHttpClient($curl);
// use the Telnyx API client as you normally would
```
Custom cURL Options (proxies)
-----------------------------
Need to set a proxy for your requests? Pass in the requisite `CURLOPT_*` array to the CurlClient constructor, using the same syntax as `curl_stopt_array()`. This will set the default cURL options for each HTTP request made by the SDK, though many more common options (e.g. timeouts; see above on how to set those) will be overridden by the client even if set here.
```php
use Telnyx;
// set up your tweaked Curl client
$curl = new Telnyx\HttpClient\CurlClient([CURLOPT_PROXY => 'proxy.local:80']);
// tell Telnyx to use the tweaked client
Telnyx\ApiRequestor::setHttpClient($curl);
```
Alternately, a callable can be passed to the CurlClient constructor that returns the above array based on request inputs. See `testDefaultOptions()` in `tests/CurlClientTest.php` for an example of this behavior. Note that the callable is called at the beginning of every API request, before the request is sent.
Configuring a Logger
--------------------
The library does minimal logging, but it can be configured
with a [`PSR-3` compatible logger][psr3] so that messages
end up there instead of `error_log`:
```php
use Telnyx;
Telnyx\Telnyx::setLogger($logger);
```
Accessing Response Data
-----------------------
You can access the data from the last API response on any object via `getLastResponse()`.
```php
use Telnyx;
$order = Telnyx\NumberOrder::create(['phone_number' => '+18665552368']);
echo $order->getLastResponse()->headers['Request-Id'];
```
SSL / TLS Compatibility issues
------------------------------
Telnyx's API now requires that all connections use TLS 1.2. Some systems (most notably some older CentOS and RHEL versions) are capable of using TLS 1.2 but will use TLS 1.0 or 1.1 by default.
The recommended course of action is to upgrade your cURL and OpenSSL packages so that TLS 1.2 is used by default, but if that is not possible, you might be able to solve the issue by setting the `CURLOPT_SSLVERSION` option to either `CURL_SSLVERSION_TLSv1` or `CURL_SSLVERSION_TLSv1_2`:
```php
use Telnyx;
$curl = new Telnyx\HttpClient\CurlClient([CURLOPT_SSLVERSION => CURL_SSLVERSION_TLSv1]);
Telnyx\ApiRequestor::setHttpClient($curl);
```
Per-request Configuration
-------------------------
For apps that need to use multiple keys during the lifetime of a process it's also possible to set a
per-request key and/or account:
```php
use Telnyx;
Telnyx\NumberOrder::all([], [
'api_key' => 'sk_test_...'
]);
Telnyx\NumberOrder::retrieve("ch_18atAXCdGbJFKhCuBAa4532Z", [
'api_key' => 'sk_test_...'
]);
```
Automatic Retries
-----------------
The library can be configured to automatically retry requests that fail due to
an intermittent network problem:
```php
use Telnyx;
Telnyx\Telnyx::setMaxNetworkRetries(2);
```
Idempotency keys are added to requests to guarantee that
retries are safe.
Development
-----------
Unit tests rely on a mock server so all unit tests are ran through
docker. To run all unit tests execute:
```
docker-compose run --rm php composer test
```
Running unit tests with code coverage requires you build the docker
container with XDEBUG=1
```
docker-compose build --build-arg XDEBUG=1
```
then run the unit tests as
```
docker-compose run --rm php composer test-coverage
```
Plugin Developers
-----------------
Are you writing a plugin that integrates Telnyx and embeds our library? Then please use the `setAppInfo` function to identify your plugin. For example:
```php
use Telnyx;
Telnyx\Telnyx::setAppInfo("MyCustomPlugin", "1.2.3", "https://customplugin.yoursite.com");
```
The method should be called once before any request is sent to the API. The second and third parameters are optional.
SSL / TLS Configuration Option
------------------------------
See the "SSL / TLS compatibility issues" paragraph above for full context. If you want to
ensure that your plugin can be used on all systems, you should add a configuration option
to let your users choose between different values for
`CURLOPT_SSLVERSION`: none (default), `CURL_SSLVERSION_TLSv1` and `CURL_SSLVERSION_TLSv1_2`.
Acknowledgments
---------------
The contributors and maintainers of Telnyx PHP would like to extend their deep gratitude
to the authors of [Stripe PHP][stripe-php], upon which this project is based. Thank you
for developing such elegant, usable, and extensible code and for sharing it with the community.
[stripe-php]: https://github.com/stripe/stripe-php
[composer]: https://getcomposer.org/
[curl]: http://curl.haxx.se/docs/caextract.html
[psr3]: http://www.php-fig.org/psr/psr-3/
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