gozap_api/Admin/Recharge/index.php

<?php
include_once "../../include/DB.php";

$TotalRechargedSwapCount=0;
$UsedRechargedSwapCount=0;
$AvailableRechargedSwapCount=0;
$SwapRechargeID="";

if (isset($_POST["TotalRechargedSwapCount"]) && !empty($_POST["TotalRechargedSwapCount"])) {
    $TotalRechargedSwapCount=$_POST["TotalRechargedSwapCount"];
}
if (isset($_POST["UsedRechargedSwapCount"]) && !empty($_POST["UsedRechargedSwapCount"])) {
    $UsedRechargedSwapCount=$_POST["UsedRechargedSwapCount"];
}
if (isset($_POST["AvailableRechargedSwapCount"]) && !empty($_POST["AvailableRechargedSwapCount"])) {
    $AvailableRechargedSwapCount=$_POST["AvailableRechargedSwapCount"];
}
if (isset($_POST["SwapRechargeID"]) && !empty($_POST["SwapRechargeID"])) {
    $SwapRechargeID=$_POST["SwapRechargeID"];
}

$SwapRechargeUpdateSql = "UPDATE swaprecharge SET TotalRechargedSwapCount='$TotalRechargedSwapCount',UsedSwapCount='$UsedRechargedSwapCount',AvailableSwapCount='$AvailableRechargedSwapCount' WHERE SwapRechargeID='$SwapRechargeID'";

$SwapRechargeUpdateResult = $conn->query($SwapRechargeUpdateSql);
if ($SwapRechargeUpdateResult === TRUE) {
    $value = array(
        "SwapRechargeID"=>(int)$SwapRechargeID,
        "TotalRechargedSwapCount"=>(int)$TotalRechargedSwapCount,
        "UsedRechargedSwapCount"=>(int)$UsedRechargedSwapCount,
        "AvailableRechargedSwapCount"=>(int)$AvailableRechargedSwapCount,
        "Message"=>"Swap recharge data saved successfully",
      );
      // Use json_encode() function
      $json = json_encode($value);
}else {
    http_response_code(404);
    $errorMesage= $conn->error;
    // Declare an array with error message 
    $value = array(
      "Message"=>"Something went wrong",
      "Error"=>$errorMesage
    );
    // Use json_encode() function
    $json = json_encode($value);
}
// Display the output
echo ($json);
$conn->close();