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.



The Internet service name, as a string.


protocol is either "tcp" or "udp" (in lowercase).

Return Values

Returns the port number, or false if service or protocol is not found.

Related Functions

Example of getservbyname

Show all examples for getservbyname

PHP Version: