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function is not described

WC_Background_Updater::task() protected WC 1.0

Task

Override this method to perform any actions required on each queue item. Return the modified item for further processing in the next pass through. Or, return false to remove the item from the queue.

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

No Hooks.

Return

String|true|false.

Usage

// protected - for code of main (parent) or child class
$result = $this->task( $callback );
$callback(string) (required)
Update callback function.

Code of WC_Background_Updater::task() WC 5.6.0

protected function task( $callback ) {
	wc_maybe_define_constant( 'WC_UPDATING', true );

	$logger = wc_get_logger();

	include_once dirname( __FILE__ ) . '/wc-update-functions.php';

	$result = false;

	if ( is_callable( $callback ) ) {
		$logger->info( sprintf( 'Running %s callback', $callback ), array( 'source' => 'wc_db_updates' ) );
		$result = (bool) call_user_func( $callback, $this );

		if ( $result ) {
			$logger->info( sprintf( '%s callback needs to run again', $callback ), array( 'source' => 'wc_db_updates' ) );
		} else {
			$logger->info( sprintf( 'Finished running %s callback', $callback ), array( 'source' => 'wc_db_updates' ) );
		}
	} else {
		$logger->notice( sprintf( 'Could not find %s callback', $callback ), array( 'source' => 'wc_db_updates' ) );
	}

	return $result ? $callback : false;
}