minor #372 [Examples] Add Voyage example with multiple text inputs (chr-hertel)

This PR was merged into the main branch.

Discussion
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[Examples] Add Voyage example with multiple text inputs

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| Docs?         | no
| Issues        |
| License       | MIT

Was written anyways for testing #360 - let's bring it in.

Commits
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133c77d Add Voyage example with multiple text inputs

Author: chr-hertel

examples/voyage/multiple-embeddings.php

@@ -0,0 +1,28 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+use Symfony\AI\Platform\Bridge\Voyage\PlatformFactory;
+use Symfony\AI\Platform\Bridge\Voyage\Voyage;
+
+require_once dirname(__DIR__).'/bootstrap.php';
+
+$platform = PlatformFactory::create(env('VOYAGE_API_KEY'), http_client());
+$embeddings = new Voyage();
+
+$text1 = 'Once upon a time, there was a country called Japan. It was a beautiful country with a lot of mountains and rivers.';
+$text2 = 'The people of Japan were very kind and hardworking. They loved their country very much and took care of it.';
+$text3 = 'The country was very peaceful and prosperous. The people lived happily ever after.';
+
+$result = $platform->invoke($embeddings, [$text1, $text2, $text3]);
+
+echo 'Dimensions Text 1: '.$result->asVectors()[0]->getDimensions().\PHP_EOL;
+echo 'Dimensions Text 2: '.$result->asVectors()[1]->getDimensions().\PHP_EOL;
+echo 'Dimensions Text 3: '.$result->asVectors()[2]->getDimensions().\PHP_EOL;