wp_get_attachment_id3_keys filter-hook . WP 3.9.0

Filters the editable list of keys to look up data from an attachment's metadata.

Usage

add_filter( 'wp_get_attachment_id3_keys', 'filter_function_name_7898', 10, 3 );
function filter_function_name_7898( $fields, $attachment, $context ){
	// filter...

	return $fields;
}

$fields(array)

Key/value pairs of field keys to labels.

$attachment(WP_Post)

Attachment object.

$context(string)

The context. Accepts 'edit', 'display'.
Default: 'display'

Where the hook is called

return apply_filters( 'wp_get_attachment_id3_keys', $fields, $attachment, $context );

Where the hook is used (in WP core)