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<?php
// {{{ license
// +----------------------------------------------------------------------+
// | PHP version 4.2 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Dan Allen <dan@mojavelinux.com> |
// | Jason Rust <jrust@php.net> |
// +----------------------------------------------------------------------+
// $Id: Detect.php,v 1.12 2004/03/10 20:22:34 jrust Exp $
// }}}
// {{{ constants
define('NET_USERAGENT_DETECT_BROWSER', 'browser');
define('NET_USERAGENT_DETECT_OS', 'os');
define('NET_USERAGENT_DETECT_FEATURES', 'features');
define('NET_USERAGENT_DETECT_QUIRKS', 'quirks');
define('NET_USERAGENT_DETECT_ACCEPT', 'accept');
define('NET_USERAGENT_DETECT_ALL', 'all');
// }}}
// {{{ class Net_UserAgent_Detect
/**
* The Net_UserAgent_Detect object does a number of tests on an HTTP user
* agent string. The results of these tests are available via methods of
* the object. Note that all methods in this class can be called
* statically. The constructor and singleton methods are only retained
* for BC.
*
* This module is based upon the JavaScript browser detection code
* available at http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html.
* This module had many influences from the lib/Browser.php code in
* version 1.3 of Horde.
*
* @author Jason Rust <jrust@php.net>
* @author Dan Allen <dan@mojavelinux.com>
* @author Chuck Hagenbuch <chuck@horde.org>
* @author Jon Parise <jon@horde.org>
* @package Net_UserAgent
*/
// }}}
class Net_UserAgent_Detect {
// {{{ constructor
function Net_UserAgent_Detect($in_userAgent = null, $in_detect = null)
{
$this->detect($in_userAgent, $in_detect);
}
// }}}
// {{{ singleton
/**
* To be used in place of the contructor to return only open instance.
*
* @access public
* @return object Net_UserAgent_Detect instance
*/
function &singleton($in_userAgent = null, $in_detect = null)
{
static $instance;
if (!isset($instance)) {
$instance = new Net_UserAgent_Detect($in_userAgent, $in_detect);
}
return $instance;
}
// }}}
// {{{ detect()
/**
* Detect the user agent and prepare flags, features and quirks
* based on what is found
*
* This is the core of the Net_UserAgent_Detect class. It moves its
* way through the user agent string setting up the flags based on
* the vendors and versions of the browsers, determining the OS and
* setting up the features and quirks owned by each of the relevant
* clients. Note that if you are going to be calling methods of
* this class statically then set all the parameters using th
* setOption()
*
* @param string $in_userAgent (optional) User agent override.
* @param mixed $in_detect (optional) The level of checking to do.
*
* @access public
* @return void
*/
function detect($in_userAgent = null, $in_detect = null)
{
static $hasRun;
if (!empty($hasRun)) {
return;
}
$hasRun = true;
// {{{ set up static properties
$options = &Net_UserAgent_Detect::_getStaticProperty('options');
$in_userAgent = isset($options['userAgent']) && is_null($in_userAgent) ? $options['userAgent'] : null;
$in_detect = isset($options['detectOptions']) && is_null($in_detect) ? $options['detectOptions'] : null;
// User agent string that is being analyzed
$userAgent = &Net_UserAgent_Detect::_getStaticProperty('userAgent');
// Array that stores all of the flags for the vendor and version
// of the different browsers
$browser = &Net_UserAgent_Detect::_getStaticProperty('browser');
$browser = array_flip(array('ns', 'ns2', 'ns3', 'ns4', 'ns4up', 'nav', 'ns6', 'ns6up', 'gecko', 'ie', 'ie3', 'ie4', 'ie4up', 'ie5', 'ie5_5', 'ie5up', 'ie6', 'ie6up', 'opera', 'opera2', 'opera3', 'opera4', 'opera5', 'opera5up', 'aol', 'aol3', 'aol4', 'aol5', 'aol6', 'aol7', 'webtv', 'aoltv', 'tvnavigator', 'hotjava', 'hotjava3', 'hotjava3up', 'konq', 'safari'));
// Array that stores all of the flags for the operating systems,
// and in some cases the versions of those operating systems (windows)
$os = &Net_UserAgent_Detect::_getStaticProperty('os');
$os = array_flip(array('win', 'win95', 'win16', 'win31', 'win9x', 'win98', 'winme', 'win2k', 'winxp', 'winnt', 'os2', 'mac', 'mac68k', 'macppc', 'linux', 'unix', 'vms', 'sun', 'sun4', 'sun5', 'suni86', 'irix', 'irix5', 'irix6', 'hpux', 'hpux9', 'hpux10', 'aix', 'aix1', 'aix2', 'aix3', 'aix4', 'sco', 'unixware', 'mpras', 'reliant', 'dec', 'sinix', 'freebsd', 'bsd'));
// Array which stores known issues with the given client that can
// be used for on the fly tweaking so that the client may recieve
// the proper handling of this quirk.
$quirks = &Net_UserAgent_Detect::_getStaticProperty('quirks');
$quirks = array(
'must_cache_forms' => false,
'popups_disabled' => false,
'empty_file_input_value' => false,
'cache_ssl_downloads' => false,
'scrollbar_in_way' => false,
'break_disposition_header' => false,
'nested_table_render_bug' => false);
// Array that stores credentials for each of the browser/os
// combinations. These allow quick access to determine if the
// current client has a feature that is going to be implemented
// in the script.
$features = &Net_UserAgent_Detect::_getStaticProperty('features');
$features = array(
'javascript' => false,
'dhtml' => false,
'dom' => false,
'sidebar' => false,
'gecko' => false);
// The leading identifier is the very first term in the user
// agent string, which is used to identify clients which are not
// Mosaic-based browsers.
$leadingIdentifier = &Net_UserAgent_Detect::_getStaticProperty('leadingIdentifier');
// The full version of the client as supplied by the very first
// numbers in the user agent
$version = &Net_UserAgent_Detect::_getStaticProperty('version');
$version = 0;
// The major part of the client version, which is the integer
// value of the version.
$majorVersion = &Net_UserAgent_Detect::_getStaticProperty('majorVersion');
$majorVersion = 0;
// The minor part of the client version, which is the decimal
// parts of the version
$subVersion = &Net_UserAgent_Detect::_getStaticProperty('subVersion');
$subVersion = 0;
// }}}
// detemine what user agent we are using
if (is_null($in_userAgent)) {
if (isset($_SERVER['HTTP_USER_AGENT'])) {
$userAgent = $_SERVER['HTTP_USER_AGENT'];
}
elseif (isset($GLOBALS['HTTP_SERVER_VARS']['HTTP_USER_AGENT'])) {
$userAgent = $GLOBALS['HTTP_SERVER_VARS']['HTTP_USER_AGENT'];
}
else {
$userAgent = '';
}
}
else {
$userAgent = $in_userAgent;
}
// get the lowercase version for case-insensitive searching
$agt = strtolower($userAgent);
// figure out what we need to look for
$detectOptions = array(NET_USERAGENT_DETECT_BROWSER,
NET_USERAGENT_DETECT_OS, NET_USERAGENT_DETECT_FEATURES,
NET_USERAGENT_DETECT_QUIRKS, NET_USERAGENT_DETECT_ACCEPT,
NET_USERAGENT_DETECT_ALL);
$detect = is_null($in_detect) ? NET_USERAGENT_DETECT_ALL : $in_detect;
settype($detect, 'array');
foreach($detectOptions as $option) {
if (in_array($option, $detect)) {
$detectFlags[$option] = true;
}
else {
$detectFlags[$option] = false;
}
}
// initialize the arrays of browsers and operating systems
// Get the type and version of the client
if (preg_match(";^([[:alnum:]]+)[ /\(]*[[:alpha:]]*([\d]*)(\.[\d\.]*);", $agt, $matches)) {
list(, $leadingIdentifier, $majorVersion, $subVersion) = $matches;
}
if (empty($leadingIdentifier)) {
$leadingIdentifier = 'Unknown';
}
$version = $majorVersion . $subVersion;
// Browser type
if ($detectFlags[NET_USERAGENT_DETECT_ALL] || $detectFlags[NET_USERAGENT_DETECT_BROWSER]) {
$browser['konq'] = $browser['safari'] = (strpos($agt, 'konqueror') !== false || strpos($agt, 'safari') !== false);
$browser['text'] = (strpos($agt, 'links') !== false) || (strpos($agt, 'lynx') !== false) || (strpos($agt, 'w3m') !== false);
$browser['ns'] = (strpos($agt, 'mozilla') !== false) && !(strpos($agt, 'spoofer') !== false) && !(strpos($agt, 'compatible') !== false) && !(strpos($agt, 'hotjava') !== false) && !(strpos($agt, 'opera') !== false) && !(strpos($agt, 'webtv') !== false) ? 1 : 0;
$browser['ns2'] = $browser['ns'] && $majorVersion == 2;
$browser['ns3'] = $browser['ns'] && $majorVersion == 3;
$browser['ns4'] = $browser['ns'] && $majorVersion == 4;
$browser['ns4up'] = $browser['ns'] && $majorVersion >= 4;
// determine if this is a Netscape Navigator
$browser['nav'] = $browser['ns'] && $majorVersion < 5;
$browser['ns6'] = !$browser['konq'] && $browser['ns'] && $majorVersion == 5;
$browser['ns6up'] = $browser['ns6'] && $majorVersion >= 5;
$browser['gecko'] = (strpos($agt, 'gecko') !== false && !$browser['konq']);
$browser['ie'] = (strpos($agt, 'msie') !== false) && !(strpos($agt, 'opera') !== false);
$browser['ie3'] = $browser['ie'] && $majorVersion < 4;
$browser['ie4'] = $browser['ie'] && $majorVersion == 4 && (strpos($agt, 'msie 4') !== false);
$browser['ie4up'] = $browser['ie'] && !$browser['ie3'];
$browser['ie5'] = $browser['ie4up'] && (strpos($agt, 'msie 5.0') !== false);
$browser['ie5_5'] = $browser['ie4up'] && (strpos($agt, 'msie 5.5') !== false);
$browser['ie5up'] = $browser['ie4up'] && !$browser['ie3'] && !$browser['ie4'];
$browser['ie5_5up'] = $browser['ie5up'] && !$browser['ie5'];
$browser['ie6'] = (strpos($agt, 'msie 6') !== false);
$browser['ie6up'] = $browser['ie5up'] && !$browser['ie5'] && !$browser['ie5_5'];
$browser['opera'] = (strpos($agt, 'opera') !== false);
$browser['opera2'] = (strpos($agt, 'opera 2') !== false) || (strpos($agt, 'opera/2') !== false);
$browser['opera3'] = (strpos($agt, 'opera 3') !== false) || (strpos($agt, 'opera/3') !== false);
$browser['opera4'] = (strpos($agt, 'opera 4') !== false) || (strpos($agt, 'opera/4') !== false);
$browser['opera5'] = (strpos($agt, 'opera 5') !== false) || (strpos($agt, 'opera/5') !== false);
$browser['opera5up'] = $browser['opera'] && !$browser['opera2'] && !$browser['opera3'] && !$browser['opera4'];
$browser['aol'] = (strpos($agt, 'aol') !== false);
$browser['aol3'] = $browser['aol'] && $browser['ie3'];
$browser['aol4'] = $browser['aol'] && $browser['ie4'];
$browser['aol5'] = (strpos($agt, 'aol 5') !== false);
$browser['aol6'] = (strpos($agt, 'aol 6') !== false);
$browser['aol7'] = (strpos($agt, 'aol 7') !== false);
$browser['webtv'] = (strpos($agt, 'webtv') !== false);
$browser['aoltv'] = $browser['tvnavigator'] = (strpos($agt, 'navio') !== false) || (strpos($agt, 'navio_aoltv') !== false);
$browser['hotjava'] = (strpos($agt, 'hotjava') !== false);
$browser['hotjava3'] = $browser['hotjava'] && $majorVersion == 3;
$browser['hotjava3up'] = $browser['hotjava'] && $majorVersion >= 3;
}
if ($detectFlags[NET_USERAGENT_DETECT_ALL] ||
($detectFlags[NET_USERAGENT_DETECT_BROWSER] && $detectFlags[NET_USERAGENT_DETECT_FEATURES])) {
// Javascript Check
if ($browser['ns2'] || $browser['ie3']) {
Net_UserAgent_Detect::setFeature('javascript', 1.0);
}
elseif ($browser['opera5up']) {
Net_UserAgent_Detect::setFeature('javascript', 1.3);
}
elseif ($browser['opera'] || $browser['ns3']) {
Net_UserAgent_Detect::setFeature('javascript', 1.1);
}
elseif (($browser['ns4'] && ($version <= 4.05)) || $browser['ie4']) {
Net_UserAgent_Detect::setFeature('javascript', 1.2);
}
elseif (($browser['ie5up'] && strpos($agt, 'mac') !== false) || $browser['konq']) {
Net_UserAgent_Detect::setFeature('javascript', 1.4);
}
// I can't believe IE6 still has javascript 1.3, what a shitty browser
elseif (($browser['ns4'] && ($version > 4.05)) || $browser['ie5up'] || $browser['hotjava3up']) {
Net_UserAgent_Detect::setFeature('javascript', 1.3);
}
elseif ($browser['ns6up'] || $browser['gecko']) {
Net_UserAgent_Detect::setFeature('javascript', 1.5);
}
}
/** OS Check **/
if ($detectFlags[NET_USERAGENT_DETECT_ALL] || $detectFlags[NET_USERAGENT_DETECT_OS]) {
$os['win'] = (strpos($agt, 'win') !== false) || (strpos($agt, '16bit') !== false);
$os['win95'] = (strpos($agt, 'win95') !== false) || (strpos($agt, 'windows 95') !== false);
$os['win16'] = (strpos($agt, 'win16') !== false) || (strpos($agt, '16bit') !== false) || (strpos($agt, 'windows 3.1') !== false) || (strpos($agt, 'windows 16-bit') !== false);
$os['win31'] = (strpos($agt, 'windows 3.1') !== false) || (strpos($agt, 'win16') !== false) || (strpos($agt, 'windows 16-bit') !== false);
$os['winme'] = (strpos($agt, 'win 9x 4.90') !== false);
$os['win2k'] = (strpos($agt, 'windows nt 5.0') !== false);
$os['winxp'] = (strpos($agt, 'windows nt 5.1') !== false);
$os['win98'] = (strpos($agt, 'win98') !== false) || (strpos($agt, 'windows 98') !== false);
$os['win9x'] = $os['win95'] || $os['win98'];
$os['winnt'] = ((strpos($agt, 'winnt') !== false) || (strpos($agt, 'windows nt') !== false)) && (strpos($agt, 'windows nt 5') === false);
$os['win32'] = $os['win95'] || $os['winnt'] || $os['win98'] || $majorVersion >= 4 && (strpos($agt, 'win32') !== false) || (strpos($agt, '32bit') !== false);
$os['os2'] = (strpos($agt, 'os/2') !== false) || (strpos($agt, 'ibm-webexplorer') !== false);
$os['mac'] = (strpos($agt, 'mac') !== false);
$os['mac68k'] = $os['mac'] && ((strpos($agt, '68k') !== false) || (strpos($agt, '68000') !== false));
$os['macppc'] = $os['mac'] && ((strpos($agt, 'ppc') !== false) || (strpos($agt, 'powerpc') !== false));
$os['sun'] = (strpos($agt, 'sunos') !== false);
$os['sun4'] = (strpos($agt, 'sunos 4') !== false);
$os['sun5'] = (strpos($agt, 'sunos 5') !== false);
$os['suni86'] = $os['sun'] && (strpos($agt, 'i86') !== false);
$os['irix'] = (strpos($agt, 'irix') !== false);
$os['irix5'] = (strpos($agt, 'irix 5') !== false);
$os['irix6'] = (strpos($agt, 'irix 6') !== false) || (strpos($agt, 'irix6') !== false);
$os['hpux'] = (strpos($agt, 'hp-ux') !== false);
$os['hpux9'] = $os['hpux'] && (strpos($agt, '09.') !== false);
$os['hpux10'] = $os['hpux'] && (strpos($agt, '10.') !== false);
$os['aix'] = (strpos($agt, 'aix') !== false);
$os['aix1'] = (strpos($agt, 'aix 1') !== false);
$os['aix2'] = (strpos($agt, 'aix 2') !== false);
$os['aix3'] = (strpos($agt, 'aix 3') !== false);
$os['aix4'] = (strpos($agt, 'aix 4') !== false);
$os['linux'] = (strpos($agt, 'inux') !== false);
$os['sco'] = (strpos($agt, 'sco') !== false) || (strpos($agt, 'unix_sv') !== false);
$os['unixware'] = (strpos($agt, 'unix_system_v') !== false);
$os['mpras'] = (strpos($agt, 'ncr') !== false);
$os['reliant'] = (strpos($agt, 'reliant') !== false);
$os['dec'] = (strpos($agt, 'dec') !== false) || (strpos($agt, 'osf1') !== false) || (strpos($agt, 'dec_alpha') !== false) || (strpos($agt, 'alphaserver') !== false) || (strpos($agt, 'ultrix') !== false) || (strpos($agt, 'alphastation') !== false);
$os['sinix'] = (strpos($agt, 'sinix') !== false);
$os['freebsd'] = (strpos($agt, 'freebsd') !== false);
$os['bsd'] = (strpos($agt, 'bsd') !== false);
$os['unix'] = (strpos($agt, 'x11') !== false) || (strpos($agt, 'unix') !== false) || $os['sun'] || $os['irix'] || $os['hpux'] || $os['sco'] || $os['unixware'] || $os['mpras'] || $os['reliant'] || $os['dec'] || $os['sinix'] || $os['aix'] || $os['linux'] || $os['bsd'] || $os['freebsd'];
$os['vms'] = (strpos($agt, 'vax') !== false) || (strpos($agt, 'openvms') !== false);
}
// Setup the quirks
if ($detectFlags[NET_USERAGENT_DETECT_ALL] ||
($detectFlags[NET_USERAGENT_DETECT_BROWSER] && $detectFlags[NET_USERAGENT_DETECT_QUIRKS])) {
if ($browser['konq']) {
Net_UserAgent_Detect::setQuirk('empty_file_input_value');
}
if ($browser['ie']) {
Net_UserAgent_Detect::setQuirk('cache_ssl_downloads');
}
if ($browser['ie6']) {
Net_UserAgent_Detect::setQuirk('scrollbar_in_way');
}
if ($browser['ie5']) {
Net_UserAgent_Detect::setQuirk('break_disposition_header');
}
if ($browser['ns6']) {
Net_UserAgent_Detect::setQuirk('popups_disabled');
Net_UserAgent_Detect::setQuirk('must_cache_forms');
}
if ($browser['nav'] && $subVersion < .79) {
Net_UserAgent_Detect::setQuirk('nested_table_render_bug');
}
}
// Set features
if ($detectFlags[NET_USERAGENT_DETECT_ALL] ||
($detectFlags[NET_USERAGENT_DETECT_BROWSER] && $detectFlags[NET_USERAGENT_DETECT_FEATURES])) {
if ($browser['gecko']) {
preg_match(';gecko/([\d]+)\b;i', $agt, $matches);
Net_UserAgent_Detect::setFeature('gecko', $matches[1]);
}
if ($browser['ns6up'] || $browser['opera5up'] || $browser['konq']) {
Net_UserAgent_Detect::setFeature('dom');
}
if ($browser['ie4up'] || $browser['ns4up'] || $browser['opera5up'] || $browser['konq']) {
Net_UserAgent_Detect::setFeature('dhtml');
}
}
if ($detectFlags[NET_USERAGENT_DETECT_ALL] || $detectFlags[NET_USERAGENT_DETECT_ACCEPT]) {
$mimetypes = preg_split(';[\s,]+;', substr(getenv('HTTP_ACCEPT'), 0, strpos(getenv('HTTP_ACCEPT') . ';', ';')), -1, PREG_SPLIT_NO_EMPTY);
Net_UserAgent_Detect::setAcceptType((array) $mimetypes, 'mimetype');
$languages = preg_split(';[\s,]+;', substr(getenv('HTTP_ACCEPT_LANGUAGE'), 0, strpos(getenv('HTTP_ACCEPT_LANGUAGE') . ';', ';')), -1, PREG_SPLIT_NO_EMPTY);
if (empty($languages)) {
$languages = 'en';
}
Net_UserAgent_Detect::setAcceptType((array) $languages, 'language');
$encodings = preg_split(';[\s,]+;', substr(getenv('HTTP_ACCEPT_ENCODING'), 0, strpos(getenv('HTTP_ACCEPT_ENCODING') . ';', ';')), -1, PREG_SPLIT_NO_EMPTY);
Net_UserAgent_Detect::setAcceptType((array) $encodings, 'encoding');
$charsets = preg_split(';[\s,]+;', substr(getenv('HTTP_ACCEPT_CHARSET'), 0, strpos(getenv('HTTP_ACCEPT_CHARSET') . ';', ';')), -1, PREG_SPLIT_NO_EMPTY);
Net_UserAgent_Detect::setAcceptType((array) $charsets, 'charset');
}
}
// }}}
// {{{ setOption()
/**
* Sets a class option. The available settings are:
* o 'userAgent' => The user agent string to detect (useful for
* checking a string manually).
* o 'detectOptions' => The level of checking to do. A single level
* or an array of options. Default is NET_USERAGENT_DETECT_ALL.
*
* @param string $in_field The option field (userAgent or detectOptions)
* @param mixed $in_value The value for the field
*/
function setOption($in_field, $in_value)
{
$options = &Net_UserAgent_Detect::_getStaticProperty('options');
$options[$in_field] = $in_value;
}
// }}}
// {{{ isBrowser()
/**
* Look up the provide browser flag and return a boolean value
*
* Given one of the flags listed in the properties, this function will return
* the value associated with that flag.
*
* @param string $in_match flag to lookup
*
* @access public
* @return boolean whether or not the browser satisfies this flag
*/
function isBrowser($in_match)
{
Net_UserAgent_Detect::detect();
$browser = &Net_UserAgent_Detect::_getStaticProperty('browser');
return isset($browser[strtolower($in_match)]) ? $browser[strtolower($in_match)] : false;
}
// }}}
// {{{ getBrowser()
/**
* Since simply returning the "browser" is somewhat ambiguous since there
* are different ways to classify the browser, this function works by taking
* an expect list and returning the string of the first match, so put the important
* ones first in the array.
*
* @param array $in_expectList the browser flags to search for
*
* @access public
* @return string first flag that matches
*/
function getBrowser($in_expectList)
{
Net_UserAgent_Detect::detect();
$browser = &Net_UserAgent_Detect::_getStaticProperty('browser');
foreach((array) $in_expectList as $brwsr) {
if (!empty($browser[strtolower($brwsr)])) {
return $brwsr;
}
}
}
// }}}
// {{{ getBrowserString()
/**
* This function returns the vendor string corresponding to the flag.
*
* Either use the default matches or pass in an associative array of
* flags and corresponding vendor strings. This function will find
* the highest version flag and return the vendor string corresponding
* to the appropriate flag. Be sure to pass in the flags in ascending order
* if you want a basic matches first, followed by more detailed matches.
*
* @param array $in_vendorStrings (optional) array of flags matched with vendor strings
*
* @access public
* @return string vendor string matches appropriate flag
*/
function getBrowserString($in_vendorStrings = array (
'ie' => 'Microsoft Internet Explorer',
'ie4up' => 'Microsoft Internet Explorer 4.x',
'ie5up' => 'Microsoft Internet Explorer 5.x',
'ie6up' => 'Microsoft Internet Explorer 6.x',
'opera4' => 'Opera 4.x',
'opera5up' => 'Opera 5.x',
'nav' => 'Netscape Navigator',
'ns4' => 'Netscape 4.x',
'ns6up' => 'Mozilla/Netscape 6.x',
'konq' => 'Konqueror/Safari',
))
{
Net_UserAgent_Detect::detect();
$browser = &Net_UserAgent_Detect::_getStaticProperty('browser');
foreach((array) $in_vendorStrings as $flag => $string) {
if (!empty($browser[$flag])) {
$vendorString = $string;
}
}
// if there are no matches just use the user agent leading idendifier (usually Mozilla)
if (!isset($vendorString)) {
$leadingIdentifier = &Net_UserAgent_Detect::_getStaticProperty('leadingIdentifier');
$vendorString = $leadingIdentifier;
}
return $vendorString;
}
// }}}
// {{{ isIE()
/**
* Determine if the browser is an Internet Explorer browser
*
* @access public
* @return bool whether or not this browser is an ie browser
*/
function isIE()
{
Net_UserAgent_Detect::detect();
$browser = &Net_UserAgent_Detect::_getStaticProperty('browser');
return !empty($browser['ie']);
}
// }}}
// {{{ isNavigator()
/**
* Determine if the browser is a Netscape Navigator browser
*
* @access public
* @return bool whether or not this browser is a Netscape Navigator browser
*/
function isNavigator()
{
Net_UserAgent_Detect::detect();
$browser = &Net_UserAgent_Detect::_getStaticProperty('browser');
return !empty($browser['nav']);
}
// }}}
// {{{ isNetscape()
/**
* Determine if the browser is a Netscape or Mozilla browser
*
* Note that this function is not the same as isNavigator, since the
* new Mozilla browsers are still sponsered by Netscape, and hence are
* Netscape products, but not the original Navigators
*
* @access public
* @return bool whether or not this browser is a Netscape product
*/
function isNetscape()
{
Net_UserAgent_Detect::detect();
$browser = &Net_UserAgent_Detect::_getStaticProperty('browser');
return !empty($browser['ns4up']);
}
// }}}
// {{{ isOS()
/**
* Look up the provide OS flag and return a boolean value
*
* Given one of the flags listed in the properties, this function will return
* the value associated with that flag for the operating system.
*
* @param string $in_match flag to lookup
*
* @access public
* @return boolean whether or not the OS satisfies this flag
*/
function isOS($in_match)
{
Net_UserAgent_Detect::detect();
$os = &Net_UserAgent_Detect::_getStaticProperty('os');
return isset($os[strtolower($in_match)]) ? $os[strtolower($in_match)] : false;
}
// }}}
// {{{ getOS()
/**
* Since simply returning the "os" is somewhat ambiguous since there
* are different ways to classify the browser, this function works by taking
* an expect list and returning the string of the first match, so put the important
* ones first in the array.
*
* @access public
* @return string first flag that matches
*/
function getOS($in_expectList)
{
Net_UserAgent_Detect::detect();
$os = &Net_UserAgent_Detect::_getStaticProperty('os');
foreach((array) $in_expectList as $expectOs) {
if (!empty($os[strtolower($expectOs)])) {
return $expectOs;
}
}
}
// }}}
// {{{ getOSString()
/**
* This function returns the os string corresponding to the flag.
*
* Either use the default matches or pass in an associative array of
* flags and corresponding os strings. This function will find
* the highest version flag and return the os string corresponding
* to the appropriate flag. Be sure to pass in the flags in ascending order
* if you want a basic matches first, followed by more detailed matches.
*
* @param array $in_osStrings (optional) array of flags matched with os strings
*
* @access public
* @return string os string matches appropriate flag
*/
function getOSString($in_osStrings = array(
'win' => 'Microsoft Windows',
'win9x' => 'Microsoft Windows 9x',
'winme' => 'Microsoft Windows Millenium',
'win2k' => 'Microsoft Windows 2000',
'winnt' => 'Microsoft Windows NT',
'winxp' => 'Microsoft Windows XP',
'mac' => 'Macintosh',
'unix' => 'Linux/Unix',
))
{
Net_UserAgent_Detect::detect();
$osString = 'Unknown';
$os = &Net_UserAgent_Detect::_getStaticProperty('os');
foreach((array) $in_osStrings as $flag => $string) {
if (!empty($os[$flag])) {
$osString = $string;
}
}
return $osString;
}
// }}}
// {{{ setQuirk()
/**
* Set a unique behavior for the current browser.
*
* Many client browsers do some really funky things, and this
* mechanism allows the coder to determine if an excepetion must
* be made with the current client.
*
* @access public
* @return void
*/
function setQuirk($in_quirk, $in_hasQuirk = true)
{
$quirks = &Net_UserAgent_Detect::_getStaticProperty('quirks');
$hasQuirk = !empty($in_hasQuirk);
$quirks[strtolower($in_quirk)] = $hasQuirk;
}
// }}}
// {{{ hasQuirk()
/**
* Check a unique behavior for the current browser.
*
* Many client browsers do some really funky things, and this
* mechanism allows the coder to determine if an excepetion must
* be made with the current client.
*
* @access public
* @return bool whether or not browser has this quirk
*/
function hasQuirk($in_quirk)
{
Net_UserAgent_Detect::detect();
$quirks = &Net_UserAgent_Detect::_getStaticProperty('quirks');
return !empty($quirks[strtolower($in_quirk)]);
}
// }}}
// {{{ getQuirk()
/**
* Get the unique behavior for the current browser.
*
* Many client browsers do some really funky things, and this
* mechanism allows the coder to determine if an excepetion must
* be made with the current client.
*
* @access public
* @return string value of the quirk, in this case usually a boolean
*/
function getQuirk()
{
Net_UserAgent_Detect::detect();
$quirks = &Net_UserAgent_Detect::_getStaticProperty('quirks');
return isset($quirks[strtolower($in_quirks)]) ? $quirks[strtolower($in_quirks)] : null;
}
// }}}
// {{{ setFeature()
/**
* Set capabilities for the current browser.
*
* Since the capabilities of client browsers vary widly, this interface
* helps keep track of the core features of a client, such as if the client
* supports dhtml, dom, javascript, etc.
*
* @access public
* @return void
*/
function setFeature($in_feature, $in_hasFeature = true)
{
$features = &Net_UserAgent_Detect::_getStaticProperty('features');
$features[strtolower($in_feature)] = $in_hasFeature;
}
// }}}
// {{{ hasFeature()
/**
* Check the capabilities for the current browser.
*
* Since the capabilities of client browsers vary widly, this interface
* helps keep track of the core features of a client, such as if the client
* supports dhtml, dom, javascript, etc.
*
* @access public
* @return bool whether or not the current client has this feature
*/
function hasFeature($in_feature)
{
Net_UserAgent_Detect::detect();
$features = &Net_UserAgent_Detect::_getStaticProperty('features');
return !empty($features[strtolower($in_feature)]);
}
// }}}
// {{{ getFeature()
/**
* Get the capabilities for the current browser.
*
* Since the capabilities of client browsers vary widly, this interface
* helps keep track of the core features of a client, such as if the client
* supports dhtml, dom, javascript, etc.
*
* @access public
* @return string value of the feature requested
*/
function getFeature($in_feature)
{
Net_UserAgent_Detect::detect();
$features = &Net_UserAgent_Detect::_getStaticProperty('features');
return isset($features[strtolower($in_feature)]) ? $features[strtolower($in_feature)] : null;
}
// }}}
// {{{ getAcceptType()
/**
* Retrive the accept type for the current browser.
*
* To keep track of the mime-types, languages, charsets and encodings
* that each browser accepts we use associative arrays for each type.
* This function works like getBrowser() as it takes an expect list
* and returns the first match. For instance, to find the language
* you would pass in your allowed languages and see if any of the
* languages set in the browser match.
*
* @param string $in_expectList values to check
* @param string $in_type type of accept
*
* @access public
* @return string the first matched value
*/
function getAcceptType($in_expectList, $in_type)
{
Net_UserAgent_Detect::detect();
$type = strtolower($in_type);
if ($type == 'mimetype' || $type == 'language' || $type == 'charset' || $type == 'encoding') {
$typeArray = &Net_UserAgent_Detect::_getStaticProperty($type);
foreach((array) $in_expectList as $match) {
if (!empty($typeArray[$match])) {
return $match;
}
}
}
return null;
}
// }}}
// {{{ setAcceptType()
/**
* Set the accept types for the current browser.
*
* To keep track of the mime-types, languages, charsets and encodings
* that each browser accepts we use associative arrays for each type.
* This function takes and array of accepted values for the type and
* records them for retrieval.
*
* @param array $in_values values of the accept type
* @param string $in_type type of accept
*
* @access public
* @return void
*/
function setAcceptType($in_values, $in_type)
{
$type = strtolower($in_type);
if ($type == 'mimetype' || $type == 'language' || $type == 'charset' || $type == 'encoding') {
$typeArray = &Net_UserAgent_Detect::_getStaticProperty($type);
foreach((array) $in_values as $value) {
$typeArray[$value] = true;
}
}
}
// }}}
// {{{ hasAcceptType()
/**
* Check the accept types for the current browser.
*
* To keep track of the mime-types, languages, charsets and encodings
* that each browser accepts we use associative arrays for each type.
* This function checks the array for the given type and determines if
* the browser accepts it.
*
* @param string $in_value values to check
* @param string $in_type type of accept
*
* @access public
* @return bool whether or not the value is accept for this type
*/
function hasAcceptType($in_value, $in_type)
{
Net_UserAgent_Detect::detect();
$type = strtolower($in_type);
if ($type == 'mimetype' || $type == 'language' || $type == 'charset' || $type == 'encoding') {
$typeArray = &Net_UserAgent_Detect::_getStaticProperty($type);
return !empty($typeArray[$in_value]);
}
else {
return false;
}
}
// }}}
// {{{ getUserAgent()
/**
* Return the user agent string that is being worked on
*
* @access public
* @return string user agent
*/
function getUserAgent()
{
Net_UserAgent_Detect::detect();
$userAgent = &Net_UserAgent_Detect::_getStaticProperty('userAgent');
return $userAgent;
}
// }}}
// {{{ _getStaticProperty()
/**
* Copy of getStaticProperty() from PEAR.php to avoid having to
* include PEAR.php
*
* @access private
* @param string $var The variable to retrieve.
* @return mixed A reference to the variable. If not set it will be
* auto initialised to NULL.
*/
function &_getStaticProperty($var)
{
static $properties;
return $properties[$var];
}
// }}}
}
?>
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