string getservbyport ( int $port , string $protocol )
?
*/
$services=array('80','21','22','23','25','143');????? //定義數組
foreach($services as $service)???????? //循環讀取內容
{
? $protocol=getservbyport($service,'tcp');?????? //返回端口號對應的協議
? echo $service.":".$protocol."<br/>n";?????? //輸出結果
}
?
/*
int getservbyname ( string $service , string $protocol )
*/
?
$services=array('http','ftp','ssh','telnet','imap',
'smtp','nicname','gopher','finger','pop3','www');?????? //定義一個數組
foreach($services as $service)????????? //循環讀取內容
{
? $port=getservbyname($service,'tcp');??????? //獲取數組元素對應端口
? echo $service.":".$port."<br/>n";???????? //輸出結果
}