getservbyport

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

getservbyportGet Internet service which corresponds to port and protocol

Description

getservbyport(int $port, string $protocol): string|false

getservbyport() returns the Internet service associated with port for the specified protocol as per /etc/services.

Parameters

port

The port number.

protocol

protocol is either "tcp" or "udp" (in lowercase).

Return Values

Returns the Internet service name as a string, or false on failure.

See Also

  • getservbyname() - Get port number associated with an Internet service and protocol

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