W3cubDocs

/PHP

getprotobynumber

(PHP 4, PHP 5, PHP 7)

getprotobynumberGet protocol name associated with protocol number

Description

getprotobynumber ( int $number ) : string|false

getprotobynumber() returns the protocol name associated with protocol number as per /etc/protocols.

Parameters

number

The protocol number.

Return Values

Returns the protocol name as a string, or false on failure.

See Also

© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.getprotobynumber.php