explorer me pidió que le ayudara a recopilar información de los visitantes de su web. Hice algo rápido y aquí lo dejo:
$log = fopen('log.txt', 'a');
fwrite($log, "[ ------- ".date('d/m/Y H:i:s a', time())." ------- ]".PHP_EOL);
fwrite($log, "\t[ IP ] = ".$_SERVER['REMOTE_ADDR'].PHP_EOL);
fwrite($log, "\t[ PAGE ] = ".$_SERVER['PHP_SELF'].PHP_EOL);
$server_vars = array('HTTP_REFERER', 'REMOTE_HOST', 'HTTP_ACCEPT_LANGUAGE', 'REMOTE_USER');
foreach($server_vars as $server_var){
if(isset($_SERVER[$server_var])) fwrite($log, "\t[ ".$server_var." ] = ".$_SERVER[$server_var].PHP_EOL);
}
$user_agent = parse_user_agent();
fwrite($log, "\t[ ------- USER AGENT ------- ]".PHP_EOL);
foreach($user_agent as $user_agent_var => $user_agent_var_value){
fwrite($log, "\t\t[ ".$user_agent_var." ] = ".$user_agent_var_value.PHP_EOL);
}
fwrite($log, PHP_EOL);
fclose($log);
/**
* Parses a user agent string into its important parts
*
* @author Jesse G. Donat <[email protected]>
* @link https://github.com/donatj/PhpUserAgent
* @link http://donatstudios.com/PHP-Parser-HTTP_USER_AGENT
* @param string|null $u_agent User agent string to parse or null. Uses $_SERVER['HTTP_USER_AGENT'] on NULL
* @throws InvalidArgumentException on not having a proper user agent to parse.
* @return string[] an array with browser, version and platform keys
*/
function parse_user_agent( $u_agent = null ) {
if( is_null($u_agent) ) {
if( isset($_SERVER['HTTP_USER_AGENT']) ) $u_agent = $_SERVER['HTTP_USER_AGENT'];
else throw new \InvalidArgumentException('parse_user_agent requires a user agent');
}
$platform = null;
$browser = null;
$version = null;
$empty = array( 'platform' => $platform, 'browser' => $browser, 'version' => $version );
if( !$u_agent ) return $empty;
if( preg_match('/\((.*?)\)/im', $u_agent, $parent_matches) ) {
preg_match_all('/(?P<platform>BB\d+;|Android|CrOS|iPhone|iPad|Linux|Macintosh|Windows(\ Phone)?|Silk|linux-gnu|BlackBerry|PlayBook|(New\ )?Nintendo\ (WiiU?|3DS)|Xbox(\ One)?)
(?:\ [^;]*)?
(?:;|$)/imx', $parent_matches[1], $result, PREG_PATTERN_ORDER);
$priority = array( 'Android', 'Xbox One', 'Xbox' );
$result['platform'] = array_unique($result['platform']);
if( count($result['platform']) > 1 ) {
if( $keys = array_intersect($priority, $result['platform']) ) $platform = reset($keys);
else $platform = $result['platform'][0];
} elseif( isset($result['platform'][0]) ) {
$platform = $result['platform'][0];
}
//Detección de versión de Windows by Blau (http://indetectables.net)
if($platform == 'Windows'){
$version = explode($platform, $u_agent);
$version = $version[1];
$bitness = (strpos(strtolower($version), 'wow64') !== false ? 'x64' : 'x86');
$version = explode(';', $version);
$version = $version[0];
$is_nt = (strpos($version, 'NT') !== false);
if($is_nt) $version = str_replace('NT', '', $version);
$version = trim($version);
$os_name = array(
'5.1' => 'XP',
'5.2' => ($is_nt ? 'XP 64-Bits' : 'Server 2003'),
'6.0' => ($is_nt ? 'Vista' : 'Server 2008'),
'6.1' => ($is_nt ? '7' : 'Server 2008 R2'),
'6.2' => ($is_nt ? '8' : 'Server 2012'),
'6.3' => ($is_nt ? '8.1' : 'Server 2012 R2'),
);
$platform .= ' '.$os_name[$version].' ['.$bitness.']';
echo 'O.S: '.$platform;
}
}
if( $platform == 'linux-gnu' ) $platform = 'Linux';
elseif( $platform == 'CrOS' ) $platform = 'Chrome OS';
preg_match_all('%(?P<browser>Camino|Kindle(\ Fire\ Build)?|Firefox|Iceweasel|Safari|MSIE|Trident|AppleWebKit|Chrome|
IEMobile|Opera|OPR|Silk|Midori|Edge|
Baiduspider|Googlebot|YandexBot|bingbot|Lynx|Version|Wget|curl|
NintendoBrowser|PLAYSTATION\ (\d|Vita)+)
(?:\)?;?)
(?:(?:[:/ ])(?P<version>[0-9A-Z.]+)|/(?:[A-Z]*))%ix',
$u_agent, $result, PREG_PATTERN_ORDER);
// If nothing matched, return null (to avoid undefined index errors)
if( !isset($result['browser'][0]) || !isset($result['version'][0]) ) {
if( !$platform && preg_match('%^(?!Mozilla)(?P<browser>[A-Z0-9\-]+)(/(?P<version>[0-9A-Z.]+))?([;| ]\ ?.*)?$%ix', $u_agent, $result)) return array( 'platform' => null, 'browser' => $result['browser'], 'version' => isset($result['version']) ? $result['version'] ?: null : null );
return $empty;
}
if( preg_match('/rv:(?P<version>[0-9A-Z.]+)/si', $u_agent, $rv_result) ) $rv_result = $rv_result['version'];
$browser = $result['browser'][0];
$version = $result['version'][0];
$find = function ( $search, &$key ) use ( $result ) {
$xkey = array_search(strtolower($search), array_map('strtolower', $result['browser']));
if( $xkey !== false ) {
$key = $xkey;
return true;
}
return false;
};
$key = 0;
$ekey = 0;
if( $browser == 'Iceweasel' ) {
$browser = 'Firefox';
} elseif( $find('Playstation Vita', $key) ) {
$platform = 'PlayStation Vita';
$browser = 'Browser';
} elseif( $find('Kindle Fire Build', $key) || $find('Silk', $key) ) {
$browser = $result['browser'][$key] == 'Silk' ? 'Silk' : 'Kindle';
$platform = 'Kindle Fire';
if( !($version = $result['version'][$key]) || !is_numeric($version[0]) ) {
$version = $result['version'][array_search('Version', $result['browser'])];
}
} elseif( $find('NintendoBrowser', $key) || $platform == 'Nintendo 3DS' ) {
$browser = 'NintendoBrowser';
$version = $result['version'][$key];
} elseif( $find('Kindle', $key) ) {
$browser = $result['browser'][$key];
$platform = 'Kindle';
$version = $result['version'][$key];
} elseif( $find('OPR', $key) ) {
$browser = 'Opera Next';
$version = $result['version'][$key];
} elseif( $find('Opera', $key) ) {
$browser = 'Opera';
$find('Version', $key);
$version = $result['version'][$key];
} elseif( $find('Midori', $key) ) {
$browser = 'Midori';
$version = $result['version'][$key];
} elseif( $browser == 'MSIE' || ($rv_result && $find('Trident', $key)) || $find('Edge', $ekey) ) {
$browser = 'MSIE';
if( $find('IEMobile', $key) ) {
$browser = 'IEMobile';
$version = $result['version'][$key];
} elseif( $ekey ) {
$version = $result['version'][$ekey];
} else {
$version = $rv_result ?: $result['version'][$key];
}
} elseif( $find('Chrome', $key) ) {
$browser = 'Chrome';
$version = $result['version'][$key];
} elseif( $browser == 'AppleWebKit' ) {
if( ($platform == 'Android' && !($key = 0)) ) {
$browser = 'Android Browser';
} elseif( strpos($platform, 'BB') === 0 ) {
$browser = 'BlackBerry Browser';
$platform = 'BlackBerry';
} elseif( $platform == 'BlackBerry' || $platform == 'PlayBook' ) {
$browser = 'BlackBerry Browser';
} elseif( $find('Safari', $key) ) {
$browser = 'Safari';
}
$find('Version', $key);
$version = $result['version'][$key];
} elseif( $key = preg_grep('/playstation \d/i', array_map('strtolower', $result['browser'])) ) {
$key = reset($key);
$platform = 'PlayStation ' . preg_replace('/[^\d]/i', '', $key);
$browser = 'NetFront';
}
return array( 'platform' => $platform ?: null, 'browser' => $browser ?: null, 'version' => $version ?: null );
}La función [Enlace externo eliminado para invitados] la he editado para que detecte la versión de Windows y los bits (x86 ó x64).
EDIT:
Código modificado para que funcione en versiones de PHP menores a 5.4.
