PHP getprotobynumber() Function
Example
A getprotobynumber() example:
<?php
$protocolname = getprotobynumber(6);
echo $protocolname;
?>
Definition and Usage
The getprotobynumber() function returns the protocol name for a given protocol number.
Syntax
getprotobynumber(protocolnumber)
Parameter Values
| Parameter | Description |
|---|---|
| protocolnumber | Required. Specifies a protocol number (like 17) |
Technical Details
| Return Value: | The protocol name on success. FALSE on failure. |
|---|---|
| PHP Version: | 4.0+ |
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