OptionalauthorOptionalcreditsOptionaldescriptionOptionaldescriptionmsgOptionaldescriptionmsgparamsOptionallicenseOptionallicense-OptionalnameOptionalnamemsgOptionalurlOptionalvcs-Optionalvcs-Optionalvcs-Optionalvcs-Optionalversion
Likely a
string[], but [[mw:Manual:$wgExtensionCredits]] doesn't even document this property. From the source inApiQuerySiteinfo.php, it appears like developers can pass a PHP array todescriptionmsg. In such cases,$ext['descriptionmsg'][0]is output asdescriptionmsg, and$ext['descriptionmsg'][1+]asdescriptionmsgparams. However, no extension in the Gerrit repositories currently appears to use an array.