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overwrite image


dachshund

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ok, so i've made an upload form which all works fine. but now i want it to overwrite the file on the server if it has the same name (which it will - profilepicture.jpg).

 

i've done a few searches but can't find anything which helps me that much.

 

does anyone know how to do this?

 

 



<?php

include "../template/header.php";

//user

$userid = $_SESSION['uid'];
  $query = "SELECT * FROM users WHERE id = '$userid'";
  $result = mysql_query($query);
  $row = mysql_fetch_assoc($result);

//&#1057;heck that we have a file
if((!empty($_FILES["uploaded_file"])) && ($_FILES['uploaded_file']['error'] == 0)) {
  //Check if the file is JPEG image and it's size is less than 350Kb
  $filename = basename($_FILES['uploaded_file']['name']);
  $ext = substr($filename, strrpos($filename, '.') + 1);
  if (($ext == "jpg") && ($_FILES["uploaded_file"]["type"] == "image/jpeg") && 
    ($_FILES["uploaded_file"]["size"] < 350000)) {


    //Determine the path to which we want to save this file
  $parts = explode("/", dirname(__FILE__));
     unSet($parts[(count($parts) - 1)]);
      $filename = "profilepicture.jpg";
      $newname = implode("/", $parts) . '/images/upload/profiles/' . $row['id']  . '/' . $filename;
      //Check if the file with the same name is already exists on the server
      if (!file_exists($newname)) {
        //Attempt to move the uploaded file to it's new place
        if ((move_uploaded_file($_FILES['uploaded_file']['tmp_name'], $newname)) === true) {
           echo "It's done! The file has been saved as: ".$filename;
        } else {
           echo "Error: A problem occurred during file upload!" . ' ' . $newname;
        }
      } else {
         echo "Error: File ".$_FILES["uploaded_file"]["name"]." already exists";
      }
  } else {
     echo "Error: Only .jpg images under 350Kb are accepted for upload";
  }
} else {
echo "Error: No file uploaded";
}

include "../template/footer.php";
?>


 

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