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<?php
include "save.php";
$name = $_POST['name'];
$email = $_POST['email'];
$lang = $_POST['lang'];
$foundjquery = "Not found";
if(in_array('jQuery',$lang)){
$foundjquery = "found";
}
// Converting the array to comma separated string
$lang = implode(",",$lang);
// check entry
$sql = "SELECT COUNT(*) AS cntuser from userinfo WHERE email='".$email."'";
$result = mysqli_query($con,$sql);
$row = mysqli_fetch_array($result);
$count = $row['cntuser'];
if($count > 0){
// update
$updatequery = "UPDATE userinfo SET name='".$name."',lang='".$lang."' WHERE email='".$email."'";
mysqli_query($con,$updatequery);
}else{
// insert
$insertquery = "INSERT INTO userinfo(name,email,lang) VALUES('".$name."','".$email."','".$lang."')";
mysqli_query($con,$insertquery);
}
$return_arr = array('name'=>$name,'email'=>$email,'lang'=>$lang,"foundjquery"=>$foundjquery);
echo json_encode($return_arr);