Mindestbestellwert ohne Plugin

add_action('the_post','minimum_order_func',10);

function minimum_order_func(){
	global $woocommerce;
	if (is_checkout()){
		$minorder = 15;
		if( $woocommerce->cart->subtotal != 0)
		if( $woocommerce->cart->subtotal < $minorder){
		  wc_add_notice( sprintf(__('Sie haben den Mindestbestellwert ' . $minorder . ' Euro noch nicht erreicht ! ', 'woocommerce'), home_url()) );
		  wp_redirect( get_permalink( woocommerce_get_page_id( 'cart' ) ) );
		  exit;
		 }
	}
}