session.sid_bits_per_character

INI • INI default value changed in 8.4
Default value 4
Development value empty
Production value empty

Modifiability: INI_ALL - The session.sid_bits_per_character 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
Changed
PHP 8.5
PHP 8.6 
session.sid_bits_per_character = 4

Changes to the session.sid_bits_per_character INI

PHP 8.4

  • INI directive default value changed from 5 to 4

PHP 7.1

  • INI directive added

session.sid_bits_per_character INI 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