gethostbynamel

Function • Params and return types changed in PHP 8.0

Get a list of IPv4 addresses corresponding to a given Internet host name.

PHP 5

PHP 7

Improved

PHP 8.1

PHP 8.2-8.3

PHP 8.4

PHP 8.5

PHP 8.6

`gethostbynamel` Function synopsis

gethostbynamel(string $hostname): array|false

Parameters

`$hostname`

Typestring

The host name.

Return value

Typearray|false

Returns an array of IPv4 addresses or false if $hostname could not be resolved.

Changes to the `gethostbynamel` Function

PHP 8.0

Return type added: array|false
Parameter type added for parameter #1 ($hostname): string

- gethostbynamel($hostname)
+ gethostbynamel(string $hostname): array|false

`gethostbynamel` 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