session_gc

Function • Return type changed in PHP 8.0

Perform session data garbage collection.

PHP 5
PHP 7.0
PHP 7.1
Added
PHP 7.2-7.4
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

session_gc Function synopsis

session_gc(): int|false

Parameters

session_gc does not take any parameters.

Return value

Typeint|false

Changes to the session_gc Function

PHP 8.0

  • Return type added: int|false
- session_gc()
+ session_gc(): int|false

PHP 7.1

  • Function added

session_gc 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 No
PHP 5.6Unsupported No
PHP 5.5Unsupported No
PHP 5.4Unsupported No
PHP 5.3Unsupported No