getservbyname

Function • Params and return types changed in PHP 8.0

Get port number associated with an Internet service and protocol.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

getservbyname Function synopsis

getservbyname(string $service, string $protocol): int|false

Parameters

$service

Typestring

The Internet service name, as a string.

$protocol

Typestring

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

Return value

Typeint|false

Returns the port number, or false if $service or $protocol is not found.

Changes to the getservbyname Function

PHP 8.0

  • Return type added: int|false
  • Parameter type added for parameter #1 ($service): string
  • Parameter type added for parameter #2 ($protocol): string
- getservbyname($service, $protocol)
+ getservbyname(string $service, string $protocol): int|false

getservbyname Function Availability

PHP VersionAvailability
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