Displays previous image link that has the same post parent.

Remove a new image size.

Registers an image size for the post thumbnail.

Builds the Audio shortcode output.

Creates a ‘sizes’ attribute value for an image.

A helper function to calculate the image sources to include in a ‘srcset’ attribute.

Calculates the new dimensions for a down-sampled image.

Enqueues all scripts, styles, settings, and templates necessary to use all media JS APIs.

Based on a supplied width/height example, return the biggest possible dimensions based on the max width/height.

Filters specific tags in post content and modifies their markup.