php 源码分享之获取客户端操作系统类型和浏览器类型

PHP源代码如下：

function browser_info ($agent) {

if (ereg( 'MSIE ([09].[09]{1,2})',$agent,$version)) :

$browse_type = "IE";

$browse_version = $version[1];

elseif (ereg( 'Opera ([09].[09]{1,$version)) :

$browse_type = "Opera";

$browse_version = $version[1];

elseif (ereg( 'Mozilla/([09].[09]{1,$version)) :

$browse_type = "Netscape";

$browse_version = $version[1];

else :

$browse_type = "Unknown";

$browse_version = "Unknown";

endif;

return array($browse_type,$browse_version);

}

function operatingsystem_info($agent) {

if ( strstr ($agent,'Win') ) :

$operatingsystem = "Windows";

elseif ( strstr($agent,'Linux') ) :

$operatingsystem = "Linux";

elseif ( strstr ($agent,'Unix') ) :

$operatingsystem = "Unix";

elseif ( strstr ($agent,'Mac') ) :

$operatingsystem = "Macintosh";

else :

$operatingsystem = "Unknown";

endif;

return $operatingsystem;

}

$HTTP_USER_AGENT=getenv( "HTTP_USER_AGENT" );

list ($browse_type,$browse_version) = browser_info ($HTTP_USER_AGENT);

$operating_sys = operatingsystem_info ($HTTP_USER_AGENT);

print "浏览器类型: $browse_type
";

print "浏览器版本: $browse_version
";

print "操作系统类型: $operating_sys
";

?>

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