PHP

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代码片断

参见主条目PHP代码片断

$_SERVER 变量

$_SERVER['REMOTE_ADDR']
用户IP
$_SERVER['REMOTE_PORT']

浏览器识别

get_browser() 函数可以用来进行浏览器识别,适用于 PHP4, 5。需要browscap.ini文件。
mixed get_browser([string $user_agent[, bool $return_array = false]])

设置返回数组时返回结果类似于:

Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040803 Firefox/0.9.3

Array
(
    [browser_name_regex] => ^mozilla/5\.0 (windows; .; windows nt 5\.1; .*rv:.*) gecko/.* firefox/0\.9.*$
    [browser_name_pattern] => Mozilla/5.0 (Windows; ?; Windows NT 5.1; *rv:*) Gecko/* Firefox/0.9*
    [parent] => Firefox 0.9
    [platform] => WinXP
    [browser] => Firefox
    [version] => 0.9
    [majorver] => 0
    [minorver] => 9
    [cssversion] => 2
    [frames] => 1
    [iframes] => 1
    [tables] => 1
    [cookies] => 1
    [backgroundsounds] =>
    [vbscript] =>
    [javascript] => 1
    [javaapplets] => 1
    [activexcontrols] =>
    [cdf] =>
    [aol] =>
    [beta] => 1
    [win16] =>
    [crawler] =>
    [stripper] =>
    [wap] =>
    [netclr] =>
)

参见:

另见xbd

配置

opcache

PHP 5.5.0+ 直接启用即可[1]

zend_extension=opcache.so

查看状态,可以使用 opcache-status

参见

外部链接

参考资料