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PHP
1

I linked my database to 000webhost it connected successfully but i keep getting this error

the php file :

<?php

 include('database2.php');

 if (isset($_SERVER['HTTP_ORIGIN'])) {
    header("Access-Control-Allow-Origin: *");
    header('Access-Control-Allow-Credentials: true');
    header('Access-Control-Max-Age: 86400');    // cache for 1 day
}

// Access-Control headers are received during OPTIONS requests
if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {

    if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_METHOD']))
        header("Access-Control-Allow-Methods: GET, POST, OPTIONS");         

    if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']))
        header("Access-Control-Allow-Headers:        {$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']}");

    exit(0);
}

$conn = mysqli_connect($dbserver, $user, $pass, $db);

// Check connection
if (!$conn) {
die("Connection failed: " . mysqli_connect_error());
}

echo "Connected successfully"; 

 $postdata = file_get_contents("php://input");
if (isset($postdata)) {

//THE ERROR IS HERE 
 $request = json_decode($postdata);
 $username = $request->username;
 $userpass = $request->userpass;

 $sql = sprintf("SELECT * FROM account_info   where a_username='%s' ",
 //WHERE User_Name='%s' AND User_Pass='%s'
        mysqli_real_escape_string($conn,$username),
        mysqli_real_escape_string($conn,$userpass));
$result=$conn->query($sql);
if ($result->num_rows>0)
{  $UserID=0;
  while($row=$result->fetch_assoc()) 
  {$UserID=$row["acc_id"];
  }
   $myobj=array();
   array_push($myobj,array('isloggedin'=>'true','userid'=>$UserID));
   echo json_encode($myobj);
}

  else
  {
    $myobj=array();
   array_push($myobj,array('isloggedin'=>'false'));
   echo json_encode($myobj);
   }
   }
?>

when i test it on my phone i get the alert this.showAlert('Something Went Wrong!');
error unexpected token in json at position 0

2

and what’s the JSON you got?

3

the username and password I get Trying to get property of non-object on them
However when I was working on local host it was working correctly

4

then var_dump($request)

5

It gives me NULL. I don’t get it it gives me back the right information in the end and if it’s on localhost it works too.

6

then you have to dig further and have a look at what $postdata contains.

7

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