Manual do PHP
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# getprotobynumber

(PHP 4, PHP 5)

getprotobynumber -- Get protocol name associated with protocol number

## Description

string getprotobynumber ( int number )

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

See also: getprotobyname().

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getprotobyname | Acima | getservbyname