identification.php

<?php

/**
 * Work out which OS it is.
 *
 * @param string $user_agent
 * @return void
 */
function getOS2($user_agent)
{
	// global $user_agent;
	$os_platform = "Unknown OS";
	$os_array = array(
		'/windows nt 6.2/i' => 'Windows 8',
		'/windows nt 6.1/i' => 'Windows 7',
		'/windows nt 6.0/i' => 'Windows Vista',
		'/windows nt 5.2/i' => 'Windows Server 2003/XP x64',
		'/windows nt 5.1/i' => 'Windows XP',
		'/windows xp/i' => 'Windows XP',
		'/windows nt 5.0/i' => 'Windows 2000',
		'/windows me/i' => 'Windows ME',
		'/win98/i' => 'Windows 98',
		'/win95/i' => 'Windows 95',
		'/win16/i' => 'Windows 3.11',
		'/macintosh|mac os x/i' => 'macOS',
		'/mac_powerpc/i' => 'Mac OS 9',
		'/linux/i' => 'Linux',
		'/ubuntu/i' => 'Ubuntu',
		'/iphone/i' => 'iPhone',
		'/ipod/i' => 'iPod',
		'/ipad/i' => 'iPad',
		'/android/i' => 'Android',
		'/blackberry/i' => 'BlackBerry',
		'/webos/i' => 'Mobile',
	);
	foreach ($os_array as $regex => $value) {
		if (preg_match($regex, $user_agent)) {
			$os_platform = $value;
		}
	}
	return $os_platform;
}

/**
 * Get Browser name.
 *
 * @param string $user_agent
 * @return void
 */
function getBrowser($user_agent)
{
	$browser = "Unknown Browser";
	$browser_array = array(
		'/safari/i' => 'Safari',
		'/chrome/i' => 'Chrome',
		'/msie/i' => 'Internet Explorer',
		'/firefox/i' => 'Mozilla Firefox',
		'/opera/i' => 'Opera',
		'/netscape/i' => 'Netscape',
		'/maxthon/i' => 'Maxthon',
		'/konqueror/i' => 'Konqueror',
		'/ucbrowser/i' => 'UC Browser',
		'/edg/i' => 'Microsoft Edge',
		'/mobile/i' => 'Handheld Browser',
	);
	foreach ($browser_array as $regex => $value) {
		if (preg_match($regex, $user_agent)) {
			$browser = $value;
		}
	}
	return $browser;
}

/**
 * Get Browser Version
 *
 * @param string $user_agent
 * @return void
 */
function getBrowserVersion($user_agent){

	// Only works with Firefox?
	preg_match('/rv\s*:\s*([^;)\s]+)/i', $user_agent , $matches);

	return $matches[1] ?? '';
}