session_register_shutdown

Function • Return type changed in PHP 8.0

Session shutdown function.

PHP 5.3

Added

PHP 5.5-5.6

PHP 7

Improved

PHP 8.1

PHP 8.2-8.3

PHP 8.4

PHP 8.5

PHP 8.6

`session_register_shutdown` Function synopsis

session_register_shutdown(): void

Parameters

session_register_shutdown does not take any parameters.

Return value

The session_register_shutdown function is a void function; it does not return any values.

Changes to the `session_register_shutdown` Function

PHP 8.0

Return type added: void

- session_register_shutdown()
+ session_register_shutdown(): void

PHP 5.4

Function added

`session_register_shutdown` 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	No