getprotobyname
(PHP 4, PHP 5, PHP 7)
getprotobyname — Get protocol number associated with protocol name
Description
int getprotobyname ( string $name ) getprotobyname() returns the protocol number associated with the protocol name as per /etc/protocols.
Parameters
name
The protocol name.
Return Values
Returns the protocol number, or FALSE on failure.
Examples
Example #1 getprotobyname() example
<?php
$protocol?=?'tcp';
$get_prot?=?getprotobyname($protocol);
if?($get_prot?===?FALSE)?{
????echo?'Invalid?Protocol';
}?else?{
????echo?'Protocol?#'?.?$get_prot;
}
?>See Also
- getprotobynumber() - Get protocol name associated with protocol number
← getmxrr
getprotobynumber →
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