Constructor – Register administration header callback.
Custom_Image_Header::init
Set up the hooks for the Custom Header admin page.
Custom_Image_Header::help
Adds contextual help.
Custom_Image_Header::ajax_header_crop
Gets attachment uploaded by Media Manager, crops it, then saves it as a new object. Returns JSON-encoded object details.
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Custom_Image_Header::ajax_header_add
Given an attachment ID for a header image, updates its “last used” timestamp to now.
Custom_Image_Header::ajax_header_remove
Given an attachment ID for a header image, unsets it as a user-uploaded header image for the current theme.
Custom_Image_Header::customize_set_last_used
Updates the last-used postmeta on a header image attachment after saving a new header image via the Customizer.
Custom_Image_Header::get_default_header_images
Gets the details of default header images if defined.
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Custom_Image_Header::get_uploaded_header_images
Gets the previously uploaded header images.
Custom_Image_Header::get_previous_crop
Get the ID of a previous crop from the same base image.
Custom_Image_Header::set_header_image
Choose a header image, selected from existing uploaded and default headers, or provide an array of uploaded header data (either new, or from media library).
Custom_Image_Header::remove_header_image
Remove a header image.
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Custom_Image_Header::reset_header_image
Reset a header image to the default image for the theme.
Custom_Image_Header::get_header_dimensions
Calculate width and height based on what the currently selected theme supports.
Custom_Image_Header::show_header_selector
Display UI for selecting one of several default headers.