getprotobynumber
(PHP 4, PHP 5, PHP 7, PHP 8)
getprotobynumber — Get protocol name associated with protocol number
Description
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.
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