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Cookies: $wgCookieExpiration
Number of seconds before HTTP cookies expire. You can override this for 'keep me logged in' cookies with $wgExtendedLoginCookieExpiration
Introduced in version:pre 1.1.0
Removed in version:still in use
Allowed values:(integer)
Default value:1.18–: 30 * 86400
1.19–1.28: 180 * 86400 (r94430)
1.29+: 30 * 86400 (Gerrit change 321592)


The default value is 30 days (30 * 86400 seconds). This means most MediaWiki cookies will last 30 days. This includes, "keep me logged in" cookies, unless $wgExtendedLoginCookieExpiration is used (which defaults to 180 days).

MediaWiki version: 1.22

Since MediaWiki 1.22 setting this configuration variable to 0 makes cookies session-only. This was previously documented as working, but broken.

This is used by WebResponse::setcookie and mw.cookie.set, though an individual cookie can have a custom expiration.

See also[edit]