Function: Retrieves the value for an image attachment’s ‘sizes’ attribute.

Function: Creates a ‘sizes’ attribute value for an image.

Function: Retrieves calculated resize dimensions for use in WP_Image_Editor.

Function: Resizes an image to make a thumbnail or intermediate size.

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

Function: Retrieves the image’s intermediate size (resized) path, width, and height.

Function: Gets the available intermediate image sizes.

Function: Retrieve an image to represent an attachment.

Function: Get an HTML img element representing an image attachment

Function: Get the URL of an image attachment.