Returns a normalized list of all currently registered image sub-sizes.

Returns a filtered list of supported video formats.

Extracts meta information about a WebP file: width, height, and type.

Allows PHP’s getimagesize() to be debuggable when necessary.

Adds loading attribute to an iframe HTML tag.

Adds ‘srcset’ and ‘sizes’ attributes to an existing ‘img’ element.

Tests whether there is an editor that supports a given mime type or methods.

Determines if the image meta data is for the image source file.

Helper function to test if aspect ratios for two images match.

Determines an image’s width and height dimensions based on the source file.