Matomo Tracking Bot Filter (PHP)

Knowledge base
2

expanded:

// Header 'Accept-Language' not "undefined"
if (array_key_exists('Accept-Language', $mtm_getallheaders_array) === true) {
	if (trim($mtm_getallheaders_array['Accept-Language']) == "undefined") {
		$mtm_bot_filter_bool = true;
	}
}

expanded:
Plugin Track Spam Prevention - ISP/ASN name Blacklist
Tutorial: TrackingSpamPrevention - block ISP / ASN by name