getprotobynumber
PHP function
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(PHP 4, PHP 5, PHP 7, PHP 8)
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
protocolThe protocol number.
Return Values
Returns the protocol name as a string, Falseforfailure.