woo update product price

// Scheduled Action Hook
function gnc_woo_cron_update( ) {
		
				// Get currency conversion rate from settings
				$currentcy_settings = get_option( 'gnc_currency_settings' );
				$rate = $currentcy_settings[gnc_currency_text_field_0];
				
				
				
				// Query argument for woocommerce products.
				$args = array(
					// WC product post types
					'post_type'   => array('product', 'product_variation'),
					// all posts
					'numberposts' => -1,
					'post_status' => 'publish',
				);
				
				
				// Get all products
				$shop_products = get_posts( $args );
				foreach( $shop_products as $item){
					
					// Get Dollar value from acf
					$dolares = get_field('dolares' , $item->ID );
					
					
					// check if the product has Dollar value
					if (!empty( $dolares )){
					
					$meta_data = get_post_meta($item->ID);
					
						// Multiply Dollar value with conversion rate
						$regular_price = $dolares * $rate;
						
						// Round up the price in colon
						$regular_price = round($regular_price);
						
						
						// Update the price for the product.
						update_post_meta($item->ID, '_regular_price', $regular_price);
						update_post_meta($item->ID, '_price', $regular_price);
						
					}
					
					
				}
		
			
     
}

// Schedule Cron Job Event
function gnc_woo_cron() {
	if ( ! wp_next_scheduled( 'gnc_woo_cron_update' ) ) {
		wp_schedule_event( current_time( 'timestamp' ), 'hourly', 'gnc_woo_cron_update' );
	}
}
add_action( 'wp', 'gnc_woo_cron' );