Cast class names to an array to avoid a potential warning.

props briandichiara
fixes #29743
Built from https://develop.svn.wordpress.org/trunk@30032


git-svn-id: http://core.svn.wordpress.org/trunk@30032 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Rename `_wp_password_hint()` to `_wp_get_password_hint()` to bring it inline with core terminology. Fixes #21243.
Built from https://develop.svn.wordpress.org/trunk@30033


git-svn-id: http://core.svn.wordpress.org/trunk@30033 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add a missing asterisk in the DocBlock for `write_post()`.

Also removes several `@uses` tags, which are no longer leveraged as part of the inline documentation standard.

Props tareq1988.
Fixes #30118.

Built from https://develop.svn.wordpress.org/trunk@30034


git-svn-id: http://core.svn.wordpress.org/trunk@30034 1a063a9b-81f0-0310-95a4-ce76da25c4cd