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