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function browser_detection( $which_test ) {
...
if ( !$b_repeat )
{
//initialize all variables with default values to prevent error
$dom_browser = false;
$type = 'bot';// default to bot since you never know with bots
$safe_browser = false;
$os = '';
$os_number = '';
$os_family = "";
...
// get os data, mac os x test requires browser/version information, this is a change from older scripts
$a_os_data = which_os( $browser_user_agent, $browser_name, $version_number );
$os = $a_os_data[0];// os name, abbreviated
$os_number = $a_os_data[1];// os number or version if available
$os_family = $a_os_data[2]; // os family
...
switch ( $which_test )
{
...
case 'os_family':
return $os_family;
break;
default:
break;
}
function which_os ( $browser_string, $browser_name, $version_number )
{
// initialize variables
$os = '';
$os_version = '';
$os_family = '';
/*
packs the os array
use this order since some navigator user agents will put 'macintosh' in the navigator user agent string
which would make the nt test register true
*/
$a_mac = array( 'mac68k', 'macppc' );// this is not used currently
// same logic, check in order to catch the os's in order, last is always default item
$a_unix = array( 'freebsd', 'openbsd', 'netbsd', 'bsd', 'unixware', 'solaris', 'sunos', 'sun4', 'sun5', 'suni86', 'sun', 'irix5', 'irix6', 'irix', 'hpux9', 'hpux10', 'hpux11', 'hpux', 'hp-ux', 'aix1', 'aix2', 'aix3', 'aix4', 'aix5', 'aix', 'sco', 'unixware', 'mpras', 'reliant', 'dec', 'sinix', 'unix' );
// only sometimes will you get a linux distro to id itself...
$a_linux = array( 'ubuntu', 'kubuntu', 'xubuntu', 'mepis', 'xandros', 'linspire', 'winspire', 'sidux', 'kanotix', 'debian', 'opensuse', 'suse', 'fedora', 'redhat', 'slackware', 'slax', 'mandrake', 'mandriva', 'gentoo', 'sabayon', 'linux' );
$a_linux_process = array ( 'i386', 'i586', 'i686' );// not use currently
// note, order of os very important in os array, you will get failed ids if changed
$a_os = array( 'beos', 'os2', 'amiga', 'webtv', 'mac', 'nt', 'win', $a_unix, $a_linux );
//os tester
$i_count = count( $a_os );
for ( $i = 0; $i < $i_count; $i++ )
{
// unpacks os array, assigns to variable
$s_os = $a_os[$i];
// assign os to global os variable, os flag true on success
// !stristr($browser_string, "linux" ) corrects a linux detection bug
if ( !is_array( $s_os ) && stristr( $browser_string, $s_os ) && !stristr( $browser_string, "linux" ) )
{
$os = $s_os;
switch ( $os )
{
case 'win':
if ( strstr( $browser_string, '95' ) )
{
$os_version = '95';
$os_family = 'windows';
}
elseif ( ( strstr( $browser_string, '9x 4.9' ) ) || ( strstr( $browser_string, 'me' ) ) )
{
$os_version = 'me';
$os_family = 'windows';
}
elseif ( strstr( $browser_string, '98' ) )
{
$os_version = '98';
$os_family = 'windows';
}
elseif ( strstr( $browser_string, '2000' ) )// windows 2000, for opera ID
{
$os_version = 5.0;
$os = 'nt';
$os_family = 'windows';
}
elseif ( strstr( $browser_string, 'xp' ) )// windows 2000, for opera ID
{
$os_version = 5.1;
$os = 'nt';
$os_family = 'windows';
}
elseif ( strstr( $browser_string, '2003' ) )// windows server 2003, for opera ID
{
$os_version = 5.2;
$os = 'nt';
$os_family = 'windows';
}
elseif ( strstr( $browser_string, 'vista' ) )// windows vista, for opera ID
{
$os_version = 6.0;
$os = 'nt';
$os_family = 'windows';
}
elseif ( strstr( $browser_string, 'ce' ) )// windows CE
{
$os_version = 'ce';
$os_family = 'windows';
}
break;
case 'nt':
if ( strstr( $browser_string, 'nt 6.1' ) )// windows 7
{
$os_version = 6.1;
$os = 'nt';
$os_family = 'windows';
}
elseif ( strstr( $browser_string, 'nt 6.0' ) )// windows vista/server 2008
{
$os_version = 6.0;
$os = 'nt';
$os_family = 'windows';
}
elseif ( strstr( $browser_string, 'nt 5.2' ) )// windows server 2003
{
$os_version = 5.2;
$os = 'nt';
$os_family = 'windows';
}
elseif ( strstr( $browser_string, 'nt 5.1' ) || strstr( $browser_string, 'xp' ) )// windows xp
{
$os_version = 5.1;//
$os_family = 'windows';
}
elseif ( strstr( $browser_string, 'nt 5' ) || strstr( $browser_string, '2000' ) )// windows 2000
{
$os_version = 5.0;
$os_family = 'windows';
}
elseif ( strstr( $browser_string, 'nt 4' ) )// nt 4
{
$os_version = 4;
$os_family = 'windows';
}
elseif ( strstr( $browser_string, 'nt 3' ) )// nt 4
{
$os_version = 3;
$os_family = 'windows';
}
break;
case 'mac':
if ( strstr( $browser_string, 'os x' ) )
{
$os_version = 10;
$os_family = 'mac';
}
//this is a crude test for os x, since safari, camino, ie 5.2, & moz >= rv 1.3
//are only made for os x
elseif ( ( $browser_name == 'saf' ) || ( $browser_name == 'cam' ) ||
( ( $browser_name == 'moz' ) && ( $version_number >= 1.3 ) ) ||
( ( $browser_name == 'ie' ) && ( $version_number >= 5.2 ) ) )
{
$os_version = 10;
}
break;
default:
break;
}
break;
}
// check that it's an array, check it's the second to last item
//in the main os array, the unix one that is
elseif ( is_array( $s_os ) && ( $i == ( count( $a_os ) - 2 ) ) )
{
$i_count = count($s_os);
for ($j = 0; $j < $i_count; $j++)
{
if ( stristr( $browser_string, $s_os[$j] ) )
{
$os = 'unix'; //if the os is in the unix array, it's unix, obviously...
$os_version = ( $s_os[$j] != 'unix' ) ? $s_os[$j] : '';// assign sub unix version from the unix array
$os_family = 'unix';
break;
}
}
}
// check that it's an array, check it's the last item
//in the main os array, the linux one that is
elseif ( is_array( $s_os ) && ( $i == ( count( $a_os ) - 1 ) ) )
{
$i_count = count($s_os);
for ($j = 0; $j < $i_count; $j++)
{
if ( stristr( $browser_string, $s_os[$j] ) )
{
$os = 'lin';
// assign linux distro from the linux array, there's a default
//search for 'lin', if it's that, set version to ''
$os_version = ( $s_os[$j] != 'linux' ) ? $s_os[$j] : '';
$os_family = 'linux';
break;
}
}
}
}
// pack the os data array for return to main function
$os_data = array( $os, $os_version, $os_family );
return $os_data;
}
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