On page loads with many images, the use of responsive images may
result in many, many calls to wp_upload_dir(). This is an attempt
to properly cache that result for reuse and is a possible patch
for WordPress core in 4.5.
As we have a more complex WP setup than usual, we're testing it in
advance to ensure there are no strange problems.
On page loads with many images, the use of responsive images may result in many, many calls to
wp_upload_dir(). This is an attempt to properly cache that result for reuse and is a possible patch for WordPress core in 4.5.As we have a more complex WP setup than usual, we're testing it in advance to ensure there are no strange problems.
See: https://core.trac.wordpress.org/ticket/34359 Patch: https://core.trac.wordpress.org/attachment/ticket/34359/34359.4.patch