Manual:$wgAPICacheHelp

API: $wgAPICacheHelp
Cache the API help text for up to an hour.
Introduced in version:1.16.0 (r56091)
Removed in version:1.18.0 (r79942)
Allowed values:(boolean)
Default value:true

Details edit

Set $wgAPICacheHelpTimeout = 0; to have the same effect.

Cache the API help text for up to an hour (by default, configurable in $wgAPICacheHelpTimeout ). Disable this during API debugging and development.