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php ping端口

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error_reporting(0); header("content-type: text/html; charset=utf-8"); set_time_limit(120); $host = isset($_post['url']) ? chop(str_replace('http://','',$_post['url'])) : 'www.baidu.com'; $port = isset($_post['duankou']) ? chop($_post['duankou']) : '80'; $num = 10; function microtime_float() { list($usec, $sec) = explode(" ", microtime()); return ((float)$usec + (float)$sec); } function getsoft($host,$port) { $fp = @fsockopen($host,$port,&$errno,&$errstr,3); if(!$fp) return 'unknown'; $get = "get / http/1.1\r\nhost:".$host."\r\nconnection: close\r\n\r\n"; @fputs($fp,$get); $data = ''; while ($fp && !feof($fp)) $data .= fread($fp, 1024); @fclose($fp); $array = explode("\n",$data); $k = 2; for($i = 0;$i < 20;$i++) { if(stristr($array[$i],'server')){$k = $i; break;} } if(!stristr($array[$k],'server')) return 'unknown'; else return str_replace('server','服务器软件',$array[$k]); } function ping($host,$port) { $time_start = microtime_float(); $ip = gethostbyname($host); $fp = @fsockopen($host,$port,&$errno,&$errstr,1); if(!$fp) return 'request timed out. '."\r\n"; $get = "get / http/1.1\r\nhost:".$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 '; } if(isset($_post['url']) && isset($_post['duankou'])) { echo ''.getsoft($host,$port).' '; echo 'pinging '.$host.' ['.gethostbyname($host).'] with port:'.$port.' of data: '."\r\n"; ob_flush(); flush(); for($i = 0;$i < $num;$i++) { echo ping($host,$port); ob_flush(); flush(); sleep(1); } } ?>域名/ip: 端口:
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