getprotobynumber
PHP 4, PHP 5, PHP 7, PHP 8
getprotobynumber - Get protocol name associated with protocol number
Manual
getprotobynumber(
int$protocol ): string|false
getprotobynumber returns the protocol name associated with protocol protocol as per /etc/protocols.
Parameters
- protocol
-
The protocol number.
Return Values
Returns the protocol name as a string, or false on failure.