PHP code example of ikramulmustafa / laravel-rag

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

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

    

ikramulmustafa / laravel-rag example snippets

use Ikram\Rag\Facades\Rag;

Rag::ingest(
    source: 'policies/refunds.md',
    content: file_get_contents(storage_path('policies/refunds.md')),
    collection: 'policies',
);

$result = Rag::retrieve('How long do customers have to request a refund?');

$result->toPrompt();   // numbered context block, ready for a prompt
$result->sources();    // ['policies/refunds.md']
$result->topScore();   // similarity of the best match

$result = Rag::retrieve($question, limit: 5);

if ($result->isEmpty()) {
    return 'I do not have information on that.';   // a valid answer
}

$answer = $llm->complete(<<<PROMPT
    Answer using only the context below. If the context does not contain the
    answer, say so. Cite sources by their bracket number.

    {$result->toPrompt()}

    Question: {$question}
    PROMPT);

return ['answer' => $answer, 'citations' => $result->citations];

'thresholds' => [
    'pass_rate'   => 0.90,
    'recall_at_k' => 0.80,
    'mrr'         => 0.60,
],

'tolerances' => [
    'pass_rate'      => 0.0,   // any measurable drop fails
    'recall_at_k'    => 0.0,
    'mrr'            => 0.0,
    'mean_top_score' => 0.02,  // absolute similarity drifts; give it room
],

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

bash
php artisan rag:ingest storage/policies --collection=policies
php artisan rag:eval

bash
php tests/verify-standalone.php