WordPress中出现的函数

PHP
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dirname
(PHP4,PHP5)
dirname - Returns parent directory's path
Given a string containing the path of a file or directory , this function will return the parent directory's path.
给定一个字符串,其中包含一个文件或目录的路径,这个函数会返回父母路的路径.
path:路径
parent:父
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__FILE__:文件的完整路径名字和文件名.如果用在被包含的文件中,则返回被包含的文件名.__FILE__总是包含一个绝对路径(如果是符号连接,则是解析后的绝对路径),在此之前的版本有时候会含有一个相对路径.
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wordpress函数:

<出现在wp-login.php里面
出现在wp-login.php里面.
Handles authentication,registering,resetting passwords,forgot password
处理身份验证,登记,重设密码,忘记密码

strpos:找到字符串首次出现的位置

$SERVER['REQUEST_URI'] URI用来指定要访问的页面
$_SERVER['HTTP_HOST'] 当前请求头中Host:项的内容,如果存在的话.

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