比如http://[email protected]
http://[email protected]
上面的abc，admin在php页面中如何读取和区分？
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parse_url()函数
parse_url
(PHP 3, PHP 4 )
parse_url -- Parse a URL and return its components
Description
array parse_url ( string url)
This function returns an associative array returning any of the various components of the URL that are present. This includes the
scheme - e.g. http
host
port
user
pass
path
query - after the question mark ?
fragment - after the hashmark #
This function is not meant to validate the given URL, it only breaks it up into the above listed parts. Partial urls are also accepted, parse_url() tries its best to parse them correctly.
例子 1. Using parse_url()
$ php -r 'print_r( parse_url("http://username:password@hostname/path?arg=value#anchor"));'
Array
(
[scheme] => http
[host] => hostname
[user] => username
[pass] => password
[path] => /path
[query] => arg=value
[fragment] => anchor
)
$ php -r 'print_r( parse_url("http://invalid_host..name/"));'
Array
(
[scheme] => http
[host] => invalid_host..name
[path] => /
)
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1
2$str="http://[email protected]";
3if(ereg( "^http://([a-zA-Z0-9]+)@[a-zA-Z0-9]+\\.dat",$str,$regs))
4echo $regs[1];
5else echo "sldjf";