getservbyname
PHP 4, PHP 5, PHP 7, PHP 8
getservbyname - Get port number associated with an Internet service and protocol
getservbyname(
string$service,
string$protocol ): int|false
getservbyname returns the Internet port which corresponds to service for the specified protocol as per /etc/services.
Parameters
- service
-
The Internet service name, as a string.
- protocol
-
protocol is either "tcp" or "udp" (in lowercase).
Return Values
Returns the port number, or false if service or protocol is not found.