مشکل در تعریف آرایه و برگشت دادن یک آرایه

<?php
$con=mysqli_connect("mysql.xzn.ir","u778432876_aas","2221689","u778432876_aas");
// Check connection
if (mysqli_connect_ero()){
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
$result = mysqli_query($con,"SELECT * FROM user");
while($row = mysqli_fetch_array($result)){
$temp=array();

$temp["name"]=$row["name"];
$temp["email"]=$row["email"];
$temp["pass"]=$row["pass"];
$temp["imageid"]=$row["imageid"];
$temp["credit"]=$row["credit"];
$temp["state"]=$row["state"];

$response["user"]=array();
array_push($response["user"],$temp);

$response["t"]=1;
echo json_encode($response);
}
mysqli_close($con);
?>

php مرکز کد های سایت...