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  #1   IP: 61.139.126.97
Old 2006-10-15, 06:17 AM
topvip topvip is offline
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Join Date: 2006-01-04
Posts: 1206
topvip 正向着好的方向发展
Default 用php简单实现Search Engine Friendly的URL

要实现这个 http://www.myhost.com/foo.php?a=A&b=B&c=C -> http://www.myhost.com/foo.php/a/A/b/B/c/C的url转换,实际上还有不同的办法.

比如说我用的是虚拟主机,也想实现url优化,但是我没有服务器权限,这时候可以从PATH_INFO来下手.

访问http://www.myhost.com/foo.php/a/A/b/B/c/C这个url的时候,如果apache的AllowPathinfo已经打开,用php访问$_SERVER['PATH_INFO']可以获得a/A/b/B/c/C这串字符 这时候再用php加以解析:

PLAIN TEXTPHP:

if(!empty($_SERVER['PATH_INFO'])) {
$paths = explode('/', substr($_SERVER['PATH_INFO'], 1));
for($i = 0, $cnt = count($paths); $i <$cnt; $i++)
$_GET[$paths[$i]] = @(string)$paths[++$i];
}

这样就可以简单的将PATH_INFO转换为全局的$_GET数组,这样还有个好处

http://www.myhost.com/foo.php?a=A&b=B&c=C
http://www.myhost.com/foo.php/a/A/b/B/c/C
上面的url同时可以访问,保证了通用性
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