upload1.php

<?php
session_start();
include("config.php");
$target_dir = "upload1/";
$target_file = $target_dir . basename($_FILES["fileToUpload1"]["name"]);
$uploadOk = 1;
$imageFileType = strtolower(pathinfo($target_file,PATHINFO_EXTENSION));
// Check if image file is a actual image or fake image
if(isset($_POST["submit"])) {
  $check = getimagesize($_FILES["fileToUpload1"]["tmp_name"]);
  if($check !== false) {
    echo "File is an image - " . $check["mime"] . ".";
    $uploadOk = 1;
  } else {
    echo "File is not an image.";
    $uploadOk = 0;
  }
}
// Check if file already exists
//if (file_exists($target_file)) {
 // echo "Sorry, file already exists.";
 // $uploadOk = 0;
//}
// Check file size
if ($_FILES["fileToUpload1"]["size"] > 500000) {
  echo "Sorry, your file is too large.";
  $uploadOk = 0;
}
// Allow certain file formats
if($imageFileType != "jpg" && $imageFileType != "png" && $imageFileType != "jpeg"
    && $imageFileType != "gif" ) {
  echo "Sorry, only JPG, JPEG, PNG & GIF files are allowed.";
  $uploadOk = 0;
}
// Check if $uploadOk is set to 0 by an error
if ($uploadOk == 0) {
  echo "Sorry, your file was not uploaded.";
  // if everything is ok, try to upload file
} else {
  if (move_uploaded_file($_FILES["fileToUpload1"]["tmp_name"], $target_file)) {
    echo "The file ". basename( $_FILES["fileToUpload1"]["name"]). " has been uploaded.";

$sql = "UPDATE shivansh_people SET background= '".basename($_FILES["fileToUpload1"]["name"])."' WHERE username = '".$_SESSION["username"]."';";
                             $con->query($sql);

   header("location:./profile.php");


  } else {
    echo "Sorry, there was an error uploading your file.";
  }
}
?>