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<?php
require($_SERVER['DOCUMENT_ROOT'].'/wp-blog-header.php');

global $wpdb;

//$price = $wpdb->get_results($wpdb->prepare("SELECT price FROM prices where years = ".$_GET['yrs']." and pcs = ".$_GET['pcs']." and product_id = ".$_GET['pid']." limit 1 "));
$price = $wpdb->get_results($wpdb->prepare("SELECT price FROM prices, buy_link where years = ".$_GET['yrs']." and pcs = ".$_GET['pcs']." and product_id = ".$_GET['pid']." limit 1 "));

header('Content-Type: application/json');
http_response_code(200);

echo json_encode($price);
 
?>