utmextractor.php

См. документацию.

<?php
 
namespace Bitrix\Seo\Analytics\Services\Helpers\Yandex;
 
final class UtmExtractor
{
    private array $utm = [];
 
    public function __construct(
        private readonly string $url,
    )
    {
        $this->extract();
    }
 
    private function extract(): void
    {
        $allowedKeys = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_content'];
        $parts = parse_url($this->url);
 
        if (isset($parts['query']))
        {
            parse_str($parts['query'], $query);
            $this->utm = array_intersect_key($query, array_flip($allowedKeys));
        }
    }
 
    public function getUtmSource(): ?string
    {
        return $this->utm['utm_source'] ?? null;
    }
 
    public function getUtmMedium(): ?string
    {
        return $this->utm['utm_medium'] ?? null;
    }
 
    public function getUtmCampaign(): ?string
    {
        return $this->utm['utm_campaign'] ?? null;
    }
 
    public function getUtmContent(): ?string
    {
        return $this->utm['utm_content'] ?? null;
    }
}