Gets attachment uploaded by Media Manager, crops it, then saves it as a new object. Returns JSON-encoded object details.
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.
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Custom_Image_Header::step_2_manage_upload
Upload the file to be cropped in the second step.
Custom_Image_Header::step_3
Display third step of custom header image page.
Custom_Image_Header::finished
Display last step of custom header image page.
Custom_Image_Header::init
Set up the hooks for the Custom Header admin page.
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Custom_Image_Header::admin_page
Display the page based on the current step.
Custom_Image_Header::help
Adds contextual help.
Custom_Image_Header::attachment_fields_to_edit
Unused since 3.5.0.
Custom_Image_Header::step
Get the current step.
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Custom_Image_Header::filter_upload_tabs
Unused since 3.5.0.
Custom_Image_Header::js_includes
Set up the enqueue for the JavaScript files.
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).