<?php
    $servername = "localhost";
  $username = "root";
  $password = "";
  $dbname = "test";

 $autoid = $_REQUEST["autoid"];
// $explanation = htmlspecialchars($_REQUEST["explanation"]);
 $explanation = mysql_real_escape_string("<p>hello how are you Ê</p>");



    echo $explanation;

    // Create connection
    $conn = new mysqli($servername, $username, $password, $dbname);

    //$explanation =  utf8_decode(trim(mysql_real_escape_string($explanation));
    // Check connection
    if ($conn->connect_error) {
        die("Connection failed: " . $conn->connect_error);
    }

    $sql = "UPDATE question_master SET explanation='$explanation' WHERE autoid=$autoid";

    if ($conn->query($sql) === TRUE) {
        echo "Record updated successfully";
    } else {
        echo "Error updating record: " . $conn->error;
    }

    $conn->close();
?>