PHP/Form/is uploaded file

Checking for the existence of an uploaded file

   <source lang="html4strict">

<?php if (!is_uploaded_file($HTTP_POST_FILES["upload_file"]["tmp_name"])) {

   $error = "You must upload a file!";
   unlink($HTTP_POST_FILES["upload_file"]["tmp_name"]);

} else {

} ?>

 </source>
   
  

Uploading a file

   <source lang="html4strict">

<?php if ($_SERVER["REQUEST_METHOD"] == "GET") { ?> <form method="post" action="<?php echo $_SERVER["SCRIPT_NAME"] ?>"

     enctype="multipart/form-data">

<input type="file" name="document"/> <input type="submit" value="Send File"/> </form> <?php } else {

   if (isset($_FILES["document"]) &&
   ($_FILES["document"]["error"] == UPLOAD_ERR_OK)) {
       $newPath = "/tmp/" . basename($_FILES["document"]["name"]);
       if (move_uploaded_file($_FILES["document"]["tmp_name"], $newPath)) {
           print "File saved in $newPath";
       } else {
           print "Couldn"t move file to $newPath";
       }
   } else {
       print "No valid file uploaded.";
   }

} ?>

 </source>