* `get_header()`
* `get_footer()`
* `get_sidebar()`
* `get_template_part()`
These functions now return false if the template file could not be found, to allow for easier debugging.
Props tferry, sphakka, johnbillion, pento, davidbinda, desrosj, birgire, garrett-eclipse, williampatton, davidbaumwald, SergeyBiryukov.
Fixes#40969.
git-svn-id: https://develop.svn.wordpress.org/trunk@48209 602fd350-edb4-49c9-b593-d223f7449a82
Sergey Biryukov