Issue #3514235 by mstrelan, smustgrave: Add array return to functions in global namespace

core/.phpstan-baseline.php

core/includes/batch.inc

core/includes/errors.inc

core/includes/form.inc

core/includes/install.core.inc

core/includes/install.inc

core/includes/theme.inc

core/includes/update.inc

core/modules/comment/comment.module

...modules/content_translation/content_translation.admin.inc

core/modules/contextual/contextual.module

core/modules/dblog/dblog.admin.inc

core/modules/editor/editor.module

core/modules/filter/filter.module

core/modules/history/history.module

core/modules/image/image.module

core/modules/locale/locale.bulk.inc

core/modules/locale/locale.compare.inc

core/modules/locale/locale.fetch.inc

core/modules/locale/locale.module