session_write_close()
session_write_close() — Write session data and end session.
Built-in function of PHP 8.5. The manual lists it as available in PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.
Signature
session_write_close(): bool
Parameters
This function takes no parameters.
Return value
Returns false if no session is active, true otherwise. true is also returned if the save handler fails to write the session data.
Example
The PHP manual ships no example for session_write_close(); the signature and the parameter table above are the contract.
Changelog
| Version | Change |
|---|---|
| 8.5.0 | If $_SESSION contains a key with a pipe character (|), an E_WARNING is now emitted. Previously, this would silently fail to write the session data. |
| 7.2.0 | The return type of this function is bool now. Formerly, it has been void. |
See also
session_register_shutdown(), session_start(), session_abort()
All PHP 8.5 built-in functions
Reference card built from the PHP manual page session_write_close() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.