WordPress at a glance
function is not described

WP_Customize_Widgets::start_capturing_option_updates() protected WP 3.9.0

Begins keeping track of changes to widget options, caching new values.

{} It's a method of the class: WP_Customize_Widgets{}

No Hooks.

Return

Null. Nothing.

Usage

// protected - for code of main (parent) or child class
$result = $this->start_capturing_option_updates();

Changelog

Since 3.9.0 Introduced.

Code of WP_Customize_Widgets::start_capturing_option_updates() WP 5.5.3

<?php
protected function start_capturing_option_updates() {
	if ( $this->_is_capturing_option_updates ) {
		return;
	}

	$this->_is_capturing_option_updates = true;

	add_filter( 'pre_update_option', array( $this, 'capture_filter_pre_update_option' ), 10, 3 );
}