session.sid_length

INI • Deprecated in PHP 8.4
Default value 32
Development value empty
Production value empty

Modifiability: INI_ALL - The session.sid_length INI directive can be configured anywhere, including php.ini files, ini_set calls, Apache .htaccess files, per-directory .ini files, etc.

PHP 5
PHP 7.0
PHP 7.1
Added
PHP 7.2-7.4
PHP 8.0-8.1
PHP 8.2-8.3
PHP 8.4
Deprecated
PHP 8.5
PHP 8.6 
session.sid_length = 32

Changes to the session.sid_length INI

PHP 8.4

  • INI directive deprecated: session.sid_length INI setting is deprecated

PHP 7.1

  • INI directive added

session.sid_length INI Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes Deprecated
PHP 8.5Supported (Latest) Yes Deprecated
PHP 8.4Supported Yes Deprecated
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