[英]PHP regular expression and URL parsing
如何使用PHP中的preg_replace
来解析URL。
说我有网址
我想访问网址的每个部分,这样
echo $protocol;
会打印
http
要么
echo $domain;
会打印
google
和
echo $upperDomain;
版画
com
最后,
echo $rest;
会打印
?id=123
有一个功能: parse_url()
$url = 'http://google.com?id=123';
print_r(parse_url($url));
打印:
Array
(
[scheme] => http
[host] => google.com
[query] => id=123
)
来自文档的parse_url() ...
mixed parse_url ( string $url [, int $component = -1 ] )
This function parses a URL and returns an associative array containing any of the
various components of the URL that are present.
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.
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