Correct return value for WP_Filesystem_Base::gethchmod(). props bananastalktome. fixes #23121.

git-svn-id: http://core.svn.wordpress.org/trunk@23349 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add missing inline descriptions.

props momo360modena, aaronholbrook.
see #20494, fixes #23304.

git-svn-id: http://core.svn.wordpress.org/trunk@23350 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Make sure the post exists before checking its ID. fixes #23026.

git-svn-id: http://core.svn.wordpress.org/trunk@23351 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Consistently use a helper function instead of directly printing the disabled attribute.

Remove an erroneous esc_attr() call.

fixes #23194.

git-svn-id: http://core.svn.wordpress.org/trunk@23352 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Sanitize post_author and comment_count as integer fields. props GeertDD. fixes #22324.

git-svn-id: http://core.svn.wordpress.org/trunk@23353 1a063a9b-81f0-0310-95a4-ce76da25c4cd