getservbyport

Function • Params and return types changed in PHP 8.0

Get Internet service which corresponds to port and protocol.

PHP 5

PHP 7

Improved

PHP 8.1

PHP 8.2-8.3

PHP 8.4

PHP 8.5

PHP 8.6

`getservbyport` Function synopsis

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

Parameters

`$port`

Typeint

The port number.

`$protocol`

Typestring

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

Return value

Typestring|false

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

Changes to the `getservbyport` Function

PHP 8.0

Return type added: string|false
Parameter type added for parameter #1 ($port): int
Parameter type added for parameter #2 ($protocol): string

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

`getservbyport` Function Availability

PHP Version	Availability
PHP 8.6Upcoming Release	Yes
PHP 8.5Supported (Latest)	Yes
PHP 8.4Supported	Yes
PHP 8.3Security-Fixes Only	Yes
PHP 8.2Security-Fixes Only	Yes
PHP 8.1Unsupported	Yes
PHP 8.0Unsupported	Yes
PHP 7.4Unsupported	Yes
PHP 7.3Unsupported	Yes
PHP 7.2Unsupported	Yes
PHP 7.1Unsupported	Yes
PHP 7.0Unsupported	Yes
PHP 5.6Unsupported	Yes
PHP 5.5Unsupported	Yes
PHP 5.4Unsupported	Yes
PHP 5.3Unsupported	Yes