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<?php function parsingUtm($utmStr, $utmName) { $start = strpos($utmStr, 'source') + strlen($utmName) + 1; if($utmName != 'content'){ $end = strpos($utmStr, 'utm', $start) - 1; } else { $end = strlen($utmStr); } return substr($utmStr, $start, $end); } $utmStr = 'http://vk.com/?utm_source=yandex&utm_medium=cpc&utm_campaign={campaign_id}&utm_content={ad_id}&utm_term={keyword}'; var_dump(parsingUtm($utmStr, 'source'));
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(32) "yandex&utm_medium=cpc&utm_campai"
preferences:
169.92 ms | 404 KiB | 198 Q