Display needed price from variable product.

jet-woo-builder-variable-product-needed-price.php

<?php
	add_filter( 'jet-woo-builder/template-functions/product-price', 'get_needed_price' );

	function get_needed_price( $html ) {

		global $product;

		if ( ! is_a( $product, 'WC_Product' ) ) {
			return null;
		}

		if ( 'variable' === $product->get_type() ) {
			$prices = sort_variation_price( $product );

			return '<span class="woocommerce-Price-amount amount"> <bdi>' . $prices['regular_min'] . '&nbsp</bdi><span class="woocommerce-Price-currencySymbol">' . get_woocommerce_currency_symbol() . '</span> </span>';
		}

		return $html;
	}
	
	function sort_variation_price( $product ) {

		$prices = $product->get_variation_prices( true );

		foreach ( $prices['price'] as $product_id => $price ) {
			$product_obj                    = wc_get_product( $product_id );
			$prices['price'][ $product_id ] = wc_get_price_to_display( $product_obj );
		}

		asort( $prices['price'] );
		asort( $prices['regular_price'] );

		return [
			'sale_min'    => current( $prices['price'] ),
			'sale_max'    => end( $prices['price'] ),
			'regular_min' => current( $prices['regular_price'] ),
			'regular_max' => end( $prices['regular_price'] ),
		];

	}