PHP-完整的URL解析器帮助 [英] PHP - complete url parser help

问题描述

我一直在尝试找到有效的网址解析器，php本身不包含子域或扩展名.在php.net上，许多用户做出了贡献并做到了这一点:

I have been trying to find an effective url parser, php's own does not include subdomain or extension. On php.net a number of users had contributed and made this:

function parseUrl($url) {
    $r  = "^(?:(?P<scheme>\w+)://)?";
    $r .= "(?:(?P<login>\w+):(?P<pass>\w+)@)?";
    $r .= "(?P<host>(?:(?P<subdomain>[-\w\.]+)\.)?" . "(?P<domain>[-\w]+\.(?P<extension>\w+)))";
    $r .= "(?::(?P<port>\d+))?";
    $r .= "(?P<path>[\w/]*/(?P<file>\w+(?:\.\w+)?)?)?";
    $r .= "(?:\?(?P<arg>[\w=&]+))?";
    $r .= "(?:#(?P<anchor>\w+))?";
    $r = "!$r!";                                                // Delimiters

    preg_match ( $r, $url, $out );

    return $out;
}

不幸的是，它在带有'-'的路径上失败，并且我一生都无法锻炼如何修改它以接受路径名中的'-'.

Unfortunately it fails on paths with a '-' and I can't for the life of me workout how to amend it to accept '-' in the path name.

谢谢

推荐答案

尝试一下...

function parseUrl($url) {
    $r  = "^(?:(?P<scheme>\w+)://)?";
    $r .= "(?:(?P<login>\w+):(?P<pass>\w+)@)?";
    $r .= "(?P<host>(?:(?P<subdomain>[-\w\.]+)\.)?" . "(?P<domain>[-\w]+\.(?P<extension>\w+)))";
    $r .= "(?::(?P<port>\d+))?";
    $r .= "(?P<path>[\w/-]*/(?P<file>[\w-]+(?:\.\w+)?)?)?";
    $r .= "(?:\?(?P<arg>[\w=&]+))?";
    $r .= "(?:#(?P<anchor>\w+))?";
    $r = "!$r!";

    preg_match ( $r, $url, $out );

    return $out;
}

我在路径和文件中添加了破折号

i added dashes to the path and file

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