<?php
include '../db.php'; 

$data = json_decode(file_get_contents('php://input'), true);

if (isset($data['q_id']) && isset($data['q_solution'])) {
    $q_id = mysqli_real_escape_string($con, $data['q_id']);
    $q_solution = mysqli_real_escape_string($con, $data['q_solution']);

    $update_query = "UPDATE query_table SET q_solution = '$q_solution' WHERE q_id = '$q_id'";
    if (mysqli_query($con, $update_query)) {
        echo "Solution updated successfully.";
    } else {
        echo "Failed to update solution: " . mysqli_error($con);
    }
} else {
    echo "Invalid input.";
}

mysqli_close($con);
?>