wp_header_image_attachment_metadata
Filter Hook: Filters the header image attachment metadata.
Source: wp-admin/includes/class-custom-image-header.php:1361
Filter Hook: Filters the header image attachment metadata.
Source: wp-admin/includes/class-custom-image-header.php:1361
Filter Hook: Filters the HTTP headers before they’re sent to the browser.
Source: wp-includes/class-wp.php:540
Filter Hook: Filters the allowed encoding types.
Source: wp-includes/class-wp-http-encoding.php:184
Filter Hook: Filters the header-encoded cookie value.
Source: wp-includes/class-wp-http-cookie.php:243
Filter Hook: Filters the headers collection to be sent to the XML-RPC server.
Source: wp-includes/class-wp-http-ixr-client.php:81
Filter Hook: Filters the WP_Image_Editor instance before applying changes to the image.
Source: wp-admin/includes/image-edit.php:686
Filter Hook: Filters the list of image editing library classes.
Source: wp-includes/media.php:2962
Filter Hook: Filters the `$orientation` value to correct it before rotating or to prevent rotating the image.
Source: wp-includes/class-wp-image-editor.php:507
Filter Hook: Filters the `loading` attribute value to add to an image. Default `lazy`.
Source: wp-includes/deprecated.php:4617
Action Hook: Fires when a site’s initialization routine should be executed.
Source: wp-includes/ms-site.php:105