getservbyport
(PHP 4, PHP 5, PHP 7, PHP 8)
getservbyport — Get Internet service which corresponds to port and protocol
說明
getservbyport(int
$port, string $protocol): string|false getservbyport() returns the Internet service
associated with port for the specified protocol as per /etc/services.
參數
-
port The port number.
-
protocol protocolis either"tcp"or"udp"(in lowercase).
返回值
Returns the Internet service name as a string, 或者在失敗時返回 false.
參見
- getservbyname() - 獲取網際網路服務協議對應的埠