PHP code example of sellinnate / rag-engine

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

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

    

sellinnate / rag-engine example snippets

use Sellinnate\RagEngine\Facades\Rag;

// 1. INGEST — register content as a Document (stored & encrypted, not yet searchable).
$document = Rag::ingest(
    Rag::source()->text('Refunds are issued within 14 business days of an approved request.')
);

// 2. PROCESS — run the pipeline: parse → clean & redact PII → chunk → embed → store.
Rag::process($document);            // or: ProcessDocumentJob::dispatch(...) on a queue

// 3. SEARCH — find the most relevant chunks by meaning.
$hits = Rag::search('how long until I get my money back?')->topK(3)->get();

$hits[0]->content;                  // "Refunds are issued within 14 business days..."
$hits[0]->score;                    // relevance score
$hits[0]->metadata['source_ref'];   // provenance: where it came from

// 4. (OPTIONAL) ASK — let an LLM write a cited answer from the retrieved chunks.
$answer = Rag::ask('how long do refunds take?')->using('openai')->generate();
$answer->answer;                    // "Refunds take 14 business days. [1]"
$answer->citations;                 // [['index' => 1, 'document_id' => '…', 'chunk_id' => '…']]

$hits = Rag::search('envelope encryption')
    ->topK(5)
    ->threshold(0.4)        // drop weak matches
    ->where('tag', 'docs')  // metadata filter
    ->hybrid()              // semantic + keyword (RRF)
    ->rerank()              // precision pass
    ->expandParents()       // small-to-big context
    ->get();

use Sellinnate\RagEngine\Concerns\HasEmbeddings;
use Sellinnate\RagEngine\Contracts\Embeddable;
use Sellinnate\RagEngine\Eloquent\EmbeddableDefinition;

class Article extends Model implements Embeddable
{
    use HasEmbeddings; // auto-indexes on save, removes on delete

    public function toEmbeddable(): EmbeddableDefinition
    {
        return EmbeddableDefinition::make()
            ->add('Title', $this->title)
            ->add('Body', $this->body)
            ->

$result = Rag::ask('What is our refund policy?')
    ->topK(5)
    ->using('anthropic')   // or omit to use the default RAG_LLM
    ->generate();

$result->answer;     // "Refunds are issued within 14 business days. [1]"
$result->citations;  // [['index' => 1, 'document_id' => '…', 'chunk_id' => '…']]
$result->sources;    // the SearchHits the answer was built from

use Sellinnate\RagEngine\Facades\Rag;

// Run work scoped to a tenant (previous tenant restored afterwards):
Rag::forTenant('tenant-7', fn () => Rag::search('q')->get());

// Right to erasure — crypto-shred a tenant:
Rag::kms()->destroyKey('tenant-7');

bash
composer  vendor:publish --tag="rag-engine-config"
php artisan vendor:publish --tag="rag-engine-migrations"
php artisan migrate