Online PHP editor | output for PZF0a

<?php $oses = array( 'Windows 8' => 'windows nt 6.2', 'Windows 7' => 'windows nt 6.1', 'Windows Vista' => 'windows nt 6.0', 'Windows XP' => array('winnt5.1', 'windows nt 5.1'), 'Windows 2000' => array('winnt5.0', 'windows nt 5.0'), 'Windows NT' => array('winnt4.0', 'windows nt 4.0'), 'Windows 95' => array('win95', 'windows 95'), 'Windows 98' => array('win98', 'windows 98'), 'Windows 2003 Server' => 'windows nt 5.2', 'Windows CE' => 'windows ce', 'Windows ME' => array('windows 9x 4.90', 'windows me'), 'Windows Unatended' => 'windows', 'Mac OS X 10.0' => 'mac os x 10.0', 'Mac OS X 10.1' => 'mac os x 10.1', 'Mac OS X 10.2' => 'mac os x 10.2', 'Mac OS X 10.3' => 'mac os x 10.3', 'Mac OS X 10.4' => 'mac os x 10.4', 'Mac OS X 10.5' => 'mac os x 10.5', 'Mac OS X 10.6' => 'mac os x 10.6', 'Mac OS X 10.7' => 'mac os x 10.7', 'Mac OS X 10.8' => 'mac os x 10.8', 'Mac OS X 10.9' => 'mac os x 10.9', 'Mac OS X' => 'mac os x', 'Macintosh' => array('powerpc', 'macintosh'), 'iOS' => array('iphone', 'ipad', 'ipod'), 'Android 5.x' => 'android 5', 'Android 4.x' => 'android 4', 'Android 3.x' => 'android 3', 'Android 2.x' => 'android 2', 'Android 1.x' => 'android 1', 'Android' => 'android', 'Linux' => 'linux', 'Free BSD' => 'freebsd', 'Net BSD' => 'netbsd', 'Open BSD' => 'openbsd', 'Sun OS' => 'sunos', 'Symbian' => 'symbian', 'Tapatalk' => 'tapatalk', ); $useragent = strtolower('Mozilla/5.0 (iPad; CPU OS 5_1_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B206 Safari/7534.48.3'); foreach ($oses as $os => $identificator) { if (is_array($identificator)) { foreach ($identificator as $ident) { if (preg_match("#$ident#i", $useragent)) { $browser['os'] = $os; break; } } } else { if (preg_match("#$identificator#i", $useragent)) { $browser['os'] = $os; break; } } } user_error($os, E_USER_ERROR); ?>