定義和用法

get_browser() 函數(shù)返回用戶(hù)瀏覽器的性能。

該函數(shù)通過(guò)查閱用戶(hù)的 browscap.ini 文件，來(lái)測(cè)定用戶(hù)瀏覽器的性能。

若成功，則該函數(shù)返回包含用戶(hù)瀏覽器信息的一個(gè)對(duì)象或一個(gè)數(shù)組，若失敗，則返回 false。

語(yǔ)法

get_browser(user_agent,return_array)

提示和注釋

注釋?zhuān)?/span>返回語(yǔ)句會(huì)立即終止對(duì)字符串的計(jì)算。

注釋?zhuān)?/span>該函數(shù)對(duì)于在數(shù)據(jù)庫(kù)文本字段中供日后計(jì)算而進(jìn)行的代碼存儲(chǔ)很有用。

例子

<?php
echo $_SERVER['HTTP_USER_AGENT'] . "<br /><br />";
$browser = get_browser(null,true);
print_r($browser);
?> 

輸出：

Mozilla/4.0
(compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)

Array
(
[browser_name_regex] => ^mozilla/..0
(compatible; msie 6.0.*;.*windows nt 5.1.*.net clr.*).*$
[browser_name_pattern] => Mozilla/?.0
(compatible; MSIE 6.0*;*Windows NT 5.1*.NET CLR*)*
[parent] => IE 6.0
[platform] => WinXP
[netclr] => 1
[browser] => IE
[version] => 6.0
[majorver] => 6
[minorver] => 0
[css] => 2
[frames] => 1
[iframes] => 1
[tables] => 1
[cookies] => 1
[backgroundsounds] => 1
[vbscript] => 1
[javascript] => 1
[javaapplets] => 1
[activexcontrols] => 1
[cdf] => 1
[aol] =>
[beta] =>
[win16] =>
[crawler] =>
[stripper] =>
[wap] =>
[ak] =>
[sk] =>
)