PHP判断服务器端口是否打开的代码
2010-12-03 07:14:08 来源:WEB开发网核心提示:<?php $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) = ex
<?php $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,$port,&$errno,&$errstr,1); if(!$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<br />'; } echo 'Pinging '.$host.' ['.gethostbyname($host).'] with Port:'.$port.' of data:<br /><br />'."\r\n"; for($i = 0;$i < $num;$i++) { ping($host,$port); sleep(1); ob_flush(); flush(); } ?>
[]
更多精彩
赞助商链接