Displays bulk pricing rules on product pages from WooCommerce Dynamic Pricing.

Display Bulk Pricing Rules

function mdt_woo_pricing_rules() {
	global $post;
	$pricing_rule_sets = apply_filters( 'dynamic_pricing_product_rules', get_post_meta( $post->ID, '_pricing_rules', true ) );

	if ( ! is_array( $pricing_rule_sets ) ) {
		return [ ];
	}

	$product    = new WC_Product(get_the_ID());
	$price      = $product->get_price();
	$conditions_met = 0;
	$discount       = [ ];
	$count          = 0;

	foreach ( $pricing_rule_sets as $pricing_rule_set ) {

		static $num_decimals;

		if($num_decimals === NULL)
			$num_decimals = apply_filters( 'woocommerce_dynamic_pricing_get_decimals', (int) get_option( 'woocommerce_price_num_decimals' ) );

		foreach ( $pricing_rule_set['rules'] as $key => $rule ) {

			extract($rule);

			$result = $price;

			switch ( $type) {
				case 'price_discount':
					$adjusted = floatval( $price ) - floatval( $amount );
					$result = $adjusted >= 0 ? $adjusted : 0;
					break;
				case 'percentage_discount':
					if ( $amount > 1 ) {
						$amount = $amount / 100;
					}
					$result = round( floatval( $price ) - ( floatval( $amount ) * $price), (int) $num_decimals );
					break;
				case 'fixed_price':
					$result = round( $amount, (int) $num_decimals );
					break;
				default:
					$result = false;
					break;
			}

			if($result == 0)
				continue;

			$discount[ $count ]        = new stdClass();
			$from                      = $rule['from'];
			$to                        = $rule['to'];
			$discount[ $count ]->qty   = ! empty( $to ) ? "$from – $to" : "$from+";
			$discount[ $count ]->price = wc_price($result);
			$count ++;
		}
	}

	return $discount;
}

function mdt_change_product_price_display( $price ) {
	global $product;
	if ( is_archive() || is_page() ) {

		$discounts  = mdt_woo_pricing_rules();
		$price      = !empty($discounts) ? 'From ' . array_pop($discounts)->price : wc_price($product->get_price());
		return $price;
	}
	else {
		$price = '$' . $product->get_price() . ' Per Item';
		return $price;
	}
}
add_filter( 'woocommerce_get_price_html', 'mdt_change_product_price_display' );