记录一 记录一下，以后备用 $host = 'www.google.com'; //要ping的地址，也可以是IP $port = '80'; //要ping的端口 $num = 3; function microtime_float() { list($usec, $sec) = explode(" ", microti
记录一
记录一下，以后备用
$host = 'www.google.com'; //要ping的地址，也可以是IP $port = '80'; //要ping的端口 $num = 3; function microtime_float() { list($usec, $sec) = explode(" ", microtime()); return ((float)$usec + (float)$sec); } function ping($host,$port) { $time_start = microtime_float(); $ip = gethostbyname($host); $fp = @fsockopen($host,$port, if(!$fp) return 'replay time out!'; $get = "GET / HTTP/1.1/r/nHost:".$host."/r/nConnection: Close/r/n/r/n"; @fputs($fp,$get); @fclose($fp); $time_end = microtime_float(); $time = $time_end - $time_start; $time = ceil($time * 1000); return 'Reply from '.$ip.': time='.$time.'ms'; } echo 'Pinging '.$host.' ['.gethostbyname($host).'] with Port:'.$port.' of data:'."/r/n"; for($i = 0;$i < $num;$i++) { ping($host,$port); sleep(1); ob_flush(); flush(); } ?> 本文摘自 http://www.cnblogs.com/luoine/archive/2010/12/01/1893156.html
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