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getprotobyname

(PHP 4, PHP 5, PHP 7, PHP 8)

getprotobyname — Ottiene il numero del protocollo associato al nome del protocollo

Descrizione

getprotobyname(string $nome): int

getprotobyname() restituisce il numero del protocollo associato al protocollo nome come in /etc/protocols.

Vedere anche: getprotobynumber().

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User Contributed Notes 1 note

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Vipindas K.S ¶

16 years ago


getprotobyname()
=====================

getprotobyname() gives the protocol number for the given protocol name on the local system.
If the protocol is not recognized, then the function returns -1.
The given code snippet gives the list of protocols along with their protocol numbers
<?
$arr=array("ip","icmp","ggp","tcp",
"egp","pup","udp","hmp","xns-idp",
"rdp","rvd" );
//Reads the names of protocols into an array..
for($i=0;$i<11;$i++)
{
$proname=$arr[$i];
echo $proname .":", getprotobyname ($proname)."<br />";
}

?>

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