File: wp-admin/includes/class-custom-image-header.php

Gets the ID of a previous crop from the same base image.

Given an attachment ID for a header image, unsets it as a user-uploaded header image for the active theme.

Updates the last-used postmeta on a header image attachment after saving a new header image via the Customizer.

Gets the details of default header images if defined.

Gets the previously uploaded header images.

Calculates width and height based on what the currently selected theme supports.

Creates an attachment ‘object’.

Inserts an attachment and its metadata.

Gets attachment uploaded by Media Manager, crops it, then saves it as a new object. Returns JSON-encoded object details.

Given an attachment ID for a header image, updates its “last used” timestamp to now.

Unused since 3.5.0.

Unused since 3.5.0.

Chooses a header image, selected from existing uploaded and default headers, or provides an array of uploaded header data (either new, or from media library).

Displays first step of custom header image page.

Removes a header image.

Resets a header image to the default image for the theme.

Displays second step of custom header image page.

Uploads the file to be cropped in the second step.

Displays third step of custom header image page.

Displays last step of custom header image page.

Displays the page based on the current step.

Displays JavaScript based on Step 1 and 3.

Constructor – Registers administration header callback.

Displays JavaScript based on Step 2.

Sets up the hooks for the Custom Header admin page.

Adds contextual help.