PHP code example of token27 / nexus-ai-tracking

1. Go to this page and download the library: Download token27/nexus-ai-tracking 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/ */

token27 / nexus-ai-tracking example snippets


use Token27\NexusAI\Tracking\Engine\TrackingEngine;
use Token27\NexusAI\Tracking\Enum\ExecutionEventType;

// 1. Initialize tracker
$tracker = TrackingEngine::using('sqlite', '/var/data/tracking.sqlite');

// 2. Fluent Event Recording
$tracker
    ->track(ExecutionEventType::PROMPT_EXECUTED, 'run-abc123')
    ->withModel('gpt-4o')
    ->withTokens(1500)
    ->withCostUsd(0.045)
    ->withLatencyMs(850)        
    ->with('prompt', [
        'source' => 'seo/article',
        'version' => 'v2.1',
        'content' => 'Prompt content generated here',
    ])
    ->with('metadata', [        
        'title' => 'Article title seo optimized',
        'content' => 'Article content seo optimized',
        'created' => '2026-05-21'           
    ])
    ->record();

// 3. Fluent Querying
$metrics = $tracker->query()
    ->withData('model', 'gpt-4o')
    ->withLastPeriod('-7 days')
    ->metrics();

echo "Total cost last 7 days: \${$metrics->totalCostUsd}\n";
echo "Total tokens: {$metrics->totalTokens}\n";
echo "Avg latency: {$metrics->avgLatencyMs}ms\n";