php / 8.1.5 / function.session-register-shutdown.html /

session_register_shutdown

(PHP 5 >= 5.4.0, PHP 7, PHP 8)

session_register_shutdownSession shutdown function

Description

session_register_shutdown(): void

Registers session_write_close() as a shutdown function.

Parameters

This function has no parameters.

Return Values

No value is returned.

Errors/Exceptions

Emits E_WARNING if registering the shutdown function fails.

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https://www.php.net/manual/en/function.session-register-shutdown.php