Hire custom LMS developers

<?php
declare(strict_types=1);

namespace App\Learning;

final class XapiClient
{
    public function __construct(private string $lrsUrl, private string $key, private string $secret) {}

    public function completed(string $email, string $name, string $activityId, string $title, float $score): void
    {
        $statement = [
            'id'    => self::uuid(),                       // stable id: safe to retry
            'actor' => ['mbox' => 'mailto:' . $email, 'name' => $name],
            'verb'  => ['id' => 'http://adlnet.gov/expapi/verbs/completed', 'display' => ['en-US' => 'completed']],
            'object' => ['id' => $activityId, 'definition' => ['name' => ['en-US' => $title]]],
            'result' => ['completion' => true, 'score' => ['scaled' => max(0, min(1, $score))]],
            'timestamp' => gmdate('c'),
        ];
        $ch = curl_init(rtrim($this->lrsUrl, '/') . '/statements');
        curl_setopt_array($ch, [
            CURLOPT_POST => true,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_TIMEOUT => 10,
            CURLOPT_USERPWD => $this->key . ':' . $this->secret,
            CURLOPT_HTTPHEADER => ['Content-Type: application/json', 'X-Experience-API-Version: 1.0.3'],
            CURLOPT_POSTFIELDS => json_encode($statement, JSON_THROW_ON_ERROR),
        ]);
        curl_exec($ch);
        if (curl_getinfo($ch, CURLINFO_HTTP_CODE) >= 300) {
            throw new \RuntimeException('LRS rejected the statement');  // the job queue retries
        }
    }

    private static function uuid(): string
    {
        $b = random_bytes(16);
        $b[6] = chr((ord($b[6]) & 0x0f) | 0x40);
        $b[8] = chr((ord($b[8]) & 0x3f) | 0x80);
        return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($b), 4));
    }
}