API-2195 sample for oauth client credentials

sample/OAuthClientCredentialsSample.php

@@ -0,0 +1,68 @@
+<?php
+    require_once(__DIR__ . '/../vendor/autoload.php');
+    require_once(__DIR__ . '/sample_config.php');
+    use Bynder\Api\BynderClient;
+    use Bynder\Api\Impl\OAuth2;
+
+
+try {
+    // instantiate BynderClient, redirectUri and token are null (client credentials)
+    $bynder = new BynderClient(new Oauth2\Configuration(
+        $bynderDomain,
+        null,
+        $clientId,
+        $clientSecret,
+        null,
+        ['timeout' => 5] // Guzzle HTTP request options
+    ));
+
+    // use client credentials grant type to get access token
+    if ($token === null) {
+        $token = $bynder->getAccessTokenClientCredentials();
+    }
+
+    $assetBankManager = $bynder->getAssetBankManager();
+
+    // Get Brands. Returns a Promise.
+    $brandsListPromise = $assetBankManager->getBrands();
+    // Wait for the promise to be resolved.
+    $brandsList = $brandsListPromise->wait();
+
+    if (!empty($brandsList)) {
+        foreach ($brandsList as $brand) {
+            echo("Brand ID: " . $brand['id'] . "\n");
+            var_dump($brand);
+        }
+    }
+
+    // get derivatives
+    $derivativesPromise = $assetBankManager->getDerivatives();
+    $derivativesList = $derivativesPromise->wait();
+
+    if (!empty($derivativesList)) {
+        echo("Derivatives: " . "\n");
+        var_dump($derivativesList);
+    }
+
+    // Get Media Items list.
+    // Optional filter.
+    $query = [
+        'count' => true,
+        'limit' => 10
+    ];
+
+    $mediaListPromise = $assetBankManager->getMediaList($query);
+    $mediaList = $mediaListPromise->wait();
+
+    // outputs list of media items, print media item
+    if (!empty($mediaList) && !empty($mediaList['media'])) {
+        foreach ($mediaList['media'] as $media) {
+            echo("Media ID: " . $media['id'] . "\n");
+            var_dump($media);
+        }
+    }
+} catch (Exception $e) {
+    var_dump($e);
+}
+
+?>