Can you please help me weather there is any thing wrong in the script it is not entering in if even if "the if condition" is true,
I have added the complete code please check
if (!empty($_POST)) {
$client_name = $_POST['client_name'];
$other_client = $_POST['other_client'];
$district = $_POST['district'];
$taluka = $_POST['taluka'];
$village = $_POST['village'];
$mobile_no = $_POST['mobile_no'];
$case_no = $_POST['case_no'];
$sr_no = $_POST['sr_no'];
$sql3="SELECT total_amt from date where paydate ='". $payment_date. "'";
$q = $pdo->prepare($sql3);
$q->execute(array($client_id));
$data = $q->fetch(PDO::FETCH_ASSOC);
$dataamt = $data['total_amt'];
$datadate = $data['paydate'];
$newamt = $dataamt + $fees ;
if ( $datadate == $payment_date ) {
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$sql12 = "UPDATE date set total_amt = ? where paydate = ?";
$q12 = $pdo->prepare($sql12);
$q12->execute(array($newamt,$payment_date));
} else {
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$sql13 = "INSERT INTO date(paydate,total_amt) values(?,?)";
$q13 = $pdo->prepare($sql13);
$q13->execute(array($payment_date,$fees));
}