posix_uname

Function • Return type changed in PHP 8.0

Get system name.

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

posix_uname Function synopsis

posix_uname(): array|false

Parameters

posix_uname does not take any parameters.

Return value

Typearray|false

Returns a hash of strings with information about the system. The indices of the hash are

domainname is a GNU extension and not part of POSIX.1, so this field is only available on GNU systems or when using the GNU libc.

The function returns false on failure.

Changes to the posix_uname Function

PHP 8.0

  • Return type added: array|false
- posix_uname()
+ posix_uname(): array|false

posix_uname 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