wp-includes/class-wp-customize-manager.php:6069Exports header video settings to facilitate selective refresh.
$responsearray$selective_refreshWP_Customize_Selective_Refresh$partialsarrayarray public function export_header_video_settings( $response, $selective_refresh, $partials ) { if ( isset( $partials['custom_header'] ) ) { $response['custom_header_settings'] = get_header_video_settings(); } return $response; }Introduced in 4.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-customize-manager.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.