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PHP code example of codewithkyrian / chromadb-php

1. Go to this page and download the library: Download codewithkyrian/chromadb-php library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

codewithkyrian / chromadb-php example snippets


use Codewithkyrian\ChromaDB\ChromaDB;

$chromaDB = ChromaDB::client();

// Check current ChromaDB version
echo $chromaDB->version();

// Create a collection
$collection = $chromaDB->createCollection('test-collection');

echo $collection->name; // test-collection
echo $collection->id; // xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxx

// Insert some documents into the collection
$ids = ['test1', 'test2', 'test3'];
$embeddings = [
    [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0],
    [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0],
    [10.0, 9.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0],
];
$metadatas = [
    ['url' => 'https://example.com/test1'],
    ['url' => 'https://example.com/test2'],
    ['url' => 'https://example.com/test3'],
];

$collection->add($ids, $embeddings, $metadatas);

// Search for similar embeddings
$queryResponse = $collection->query(
    queryEmbeddings: [
        [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0]
    ],
    nResults: 2
);

// Print results
echo $queryResponse->ids[0][0]; // test1
echo $queryResponse->ids[0][1]; // test2


use Codewithkyrian\ChromaDB\ChromaDB;

$chroma = ChromaDB::client();


use Codewithkyrian\ChromaDB\ChromaDB;

$chroma = ChromaDB::factory()
                ->withHost('http://localhost')
                ->withPort(8000)
                ->withDatabase('new_database')
                ->withTenant('new_tenant')
                ->connect();


use Codewithkyrian\ChromaDB\ChromaDB;

$chroma = ChromaDB::factory()
                ->withAuthToken('test-token')
                ->connect();



echo $chroma->version(); // 0.4.0



$collection = $chroma->createCollection('test-collection');


$ids = ['test1', 'test2', 'test3'];
$embeddings = [
    [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0],
    [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0],
    [10.0, 9.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0],
];
$metadatas = [
    ['url' => 'https://example.com/test1'],
    ['url' => 'https://example.com/test2'],
    ['url' => 'https://example.com/test3'],
];

$collection->add($ids, $embeddings, $metadatas);


use CodeWithKyrian\ChromaDB\EmbeddingFunction\EmbeddingFunctionInterface;

$embeddingFunction = new OpenAIEmbeddingFunction('api-key', 'org-id', 'model-name');

$collection = $chroma->createCollection('test-collection', embeddingFunction: $embeddingFunction);


    use CodeWithKyrian\Chroma\EmbeddingFunction\OpenAIEmbeddingFunction;
    
    $embeddingFunction = new OpenAIEmbeddingFunction('api-key', 'org-id', 'model-name');
    
    $collection = $chromaDB->createCollection('test-collection', embeddingFunction: $embeddingFunction);


  use Codewithkyrian\ChromaDB\Embeddings\JinaEmbeddingFunction;
  
  $embeddingFunction = new JinaEmbeddingFunction('api-key');
  
  $collection = $chromaDB->createCollection('test-collection', embeddingFunction: $embeddingFunction);


    use CodeWithKyrian\Chroma\EmbeddingFunction\HuggingFaceEmbeddingFunction;
    
    $embeddingFunction = new HuggingFaceEmbeddingFunction('api-key', 'model-name');
    
    $collection = $chromaDB->createCollection('test-collection', embeddingFunction: $embeddingFunction);


use CodeWithKyrian\ChromaDB\EmbeddingFunction\EmbeddingFunctionInterface;

$embeddingFunction = new class implements EmbeddingFunctionInterface {
    public function generate(array $texts): array
    {
        // Compute the embeddings here and return them as an array of arrays
    }
};

$collection = $chroma->createCollection('test-collection', embeddingFunction: $embeddingFunction);


$ids = ['test1', 'test2', 'test3'];
$documents = [
    'This is a test document',
    'This is another test document',
    'This is yet another test document',
];
$metadatas = [
    ['url' => 'https://example.com/test1'],
    ['url' => 'https://example.com/test2'],
    ['url' => 'https://example.com/test3'],
];

$collection->add(
    ids: $ids, 
    documents: $documents, 
    metadatas: $metadatas
);


$collection = $chromaDB->getCollection('test-collection');


$collection = $chromaDB->getCollection('test-collection', embeddingFunction: $embeddingFunction);


$collection->count() // 2


$collection->update(
    ids: ['test1', 'test2', 'test3'],
    embeddings: [
        [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0],
        [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0],
        [10.0, 9.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0],
    ],
    metadatas: [
        ['url' => 'https://example.com/test1'],
        ['url' => 'https://example.com/test2'],
        ['url' => 'https://example.com/test3'],
    ]
);


$collection->delete(['test1', 'test2', 'test3']);


$queryResponse = $collection->query(
    queryEmbeddings: [
        [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0]
    ],
    nResults: 2
);

echo $queryResponse->ids[0][0]; // test1
echo $queryResponse->ids[0][1]; // test2


    $queryResponse = $collection->query(
        queryTexts: [
            'This is a test document'
        ],
        nResults: 2
    );
    
    echo $queryResponse->ids[0][0]; // test1
    echo $queryResponse->ids[0][1]; // test2


  $queryResponse = $collection->query(
      queryEmbeddings: [
          [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0]
      ],
      nResults: 2,
      where: [
          'url' => 'https://example.com/test1'
      ]
  );
      
  echo $queryResponse->ids[0][0]; // test1


    $queryResponse = $collection->query(
        queryEmbeddings: [
            [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0]
        ],
        nResults: 2,
        where: [
            'url' => [
                '$eq' => 'https://example.com/test1'
            ]
        ]
    );


        $queryResponse = $collection->query(
            queryEmbeddings: [
                [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0]
            ],
            nResults: 2,
            where: [
                'url' => [
                    '$eq' => 'https://example.com/test1'
                ],
                'title' => [
                    '$ne' => 'Test 1'
                ]
            ]
        );


  $queryResponse = $collection->query(
      queryEmbeddings: [
          [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0]
      ],
      nResults: 2,
      whereDocument: [
          'text' => 'This is a test document'
      ]
  );
          
  echo $queryResponse->ids[0][0]; // test1


    $queryResponse = $collection->query(
        queryEmbeddings: [
            [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0]
        ],
        nResults: 2,
        whereDocument: [
            'text' => [
                '$contains' => 'test document'
            ]
        ]
    );


  $queryResponse = $collection->query(
      queryEmbeddings: [
          [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0]
      ],
      nResults: 2,


$collection->delete(['test1', 'test2']);

$collection->count() // 1


$collection->add(
    ['test1', 'test2', 'test3'],
    [
        [1.0, 2.0, 3.0, 4.0, 5.0],
        [6.0, 7.0, 8.0, 9.0, 10.0],
        [11.0, 12.0, 13.0, 14.0, 15.0],
    ], 
     [
        ['some' => 'metadata1'],
        ['some' => 'metadata2'],
        ['some' => 'metadata3'],
    ]
);

$collection->delete(
    where: [
        'some' => 'metadata1'
    ]
);

$collection->count() // 2


$chroma->deleteCollection('test_collection');

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