虽然我包含了的所有文件，但我没有得到输出
<?php
/**
* Scan network to retrieve hosts and services information.
*/
require_once 'C:/xampp/php/pear/Net/Nmap.php';
//Define the target to scan
$target = array('127.0.0.1','localhost');
$options = array('nmap_binary' => 'C:/Program Files (x86)/Nmap');
try {
$nmap = new Net_Nmap($options);
//Enable nmap options
$nmap_options = array('os_detection' => true,
'service_info' => true,
'port_ranges' => 'U:53,111,137,T:21-25,80,139,8080',//to scan only specified ports
);
$nmap->enableOptions($nmap_options);
//Scan target
$res = $nmap->scan($target);
//Get failed hosts
$failed_to_resolve = $nmap->getFailedToResolveHosts();
if (count($failed_to_resolve) > 0) {
echo 'Failed to resolve given hostname/IP: ' .
implode (', ', $failed_to_resolve) .
"'n";
}
//Parse XML Output to retrieve Hosts Object
$hosts = $nmap->parseXMLOutput();
//Print results
foreach ($hosts as $key => $host) {
echo 'Hostname: ' . $host->getHostname() . "'n";
echo 'Address: ' . $host->getAddress() . "'n";
echo 'OS: ' . $host->getOS() . "'n";
echo 'Status: ' . $host->getStatus . "'n";
$services = $host->getServices();
echo 'Number of discovered services: ' . count($services) . "'n";
foreach ($services as $key => $service) {
echo "'n";
echo 'Service Name: ' . $service->name . "'n";
echo 'Port: ' . $service->port . "'n";
echo 'Protocol: ' . $service->protocol . "'n";
echo 'Product information: ' . $service->product . "'n";
echo 'Product version: ' . $service->version . "'n";
echo 'Product additional info: ' . $service->extrainfo . "'n";
}
}
} catch (Net_Nmap_Exception $ne) {
echo $ne->getMessage();
}
?>
如果程序没有任何输出，则表示存在语法错误、致命错误或段错误。
使用E_ALL更改php.ini设置、启用、显示errors和error_reporting通常，这就足够了。您可以看到错误消息并修复错误。
如果仍然没有错误消息，请尝试创建一个简单的文件，只显示phpinfo（）。如果可以，通常情况下，您不会出现启动错误，如果没有，请在php.ini 中启用display_startup_errors
如果您仍然没有错误，请检查您的apache或nginx配置，您可能会将站点配置错误。
如果你仍然没有错误，祝贺！你有段错误。使用gdb查找原因。