woocommerce_variable_children_args filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_variable_children_args', 'filter_function_name_7041', 10, 3 );
function filter_function_name_7041( $all_args, $product, $false ){
	// filter...

	return $all_args;
}

$all_args

-

$product

-

$false

-

Where the hook is called

$children['all']     = get_posts( apply_filters( 'woocommerce_variable_children_args', $all_args, $product, false ) );

$children['visible'] = get_posts( apply_filters( 'woocommerce_variable_children_args', $visible_only_args, $product, true ) );

Where in WP core the hook is used WooCommerce