PHP检验URL是否正确

实际上是毫无作用的函数了~因为现在的域名商都很滑。很多域名只要注册了，就算不使用也会被默认指向一个域名商的网址。所以即便探过去，都会返回一个200值。 = = 这也是没办法的事。 = ''http://www.example.com'';print_r(get_headers($url));print_r(get_headers($url, 1));?> Array( [0] => HTTP/1.1 200 OK [1] => Date: Sat, 29 May 2004 12:28:13 GMT [2] => Server: Apache/1.3.27 (Unix) (Red-Hat/Linux) [3] => Last-Modified: Wed, 08 Jan 2003 23:11:55 GMT [4] => ETag: "3f80f-1b6-3e1cb03b" [5] => Accept-Ranges: bytes [6] => Content-Length: 438 [7] => Connection: close [8] => Content-Type: text/html)Array( [0] => HTTP/1.1 200 OK [Date] => Sat, 29 May 2004 12:28:14 GMT [Server] => Apache/1.3.27 (Unix) (Red-Hat/Linux) [Last-Modified] => Wed, 08 Jan 2003 23:11:55 GMT [ETag] => "3f80f-1b6-3e1cb03b" [Accept-Ranges] => bytes [Content-Length] => 438 [Connection] => close [Content-Type] => text/html)登录后复制 $fp = fsockopen("www.selangsfer32.com", 80, $errno, $errstr, 30); if (!$fp) { echo "$errstr ($errno)n"; exit;} ?>