javascript - Upload Pdf file into databse -


i have upload files database. database available @ server. trying upload pdf files unable upload it. tried many codes google till non of worked me. how can upload pdf files database?

<?php  if(isset($_post["submit1"]))  {  echo $filename = basename($_files['healthfile']['name']); $newname = $folder_path . $filename;  $filetype = pathinfo($newname,pathinfo_extension);  if($filetype == "pdf") { if (move_uploaded_file($_files['healthfile']['tmp_name'], $newname)) {  $filesql = "insert user(pdf) values('$filename') id='$id'"; $query = mysqli_query($conn, $filesql); if (isset($query)) { echo 'file uploaded'; } else {  echo 'something went wrong';  }  }  else  {   echo "<p>upload failed.</p>";  }   } else { echo "<p>class notes must uploaded in pdf format.</p>"; }  } ?>

i think should update , not insert if $id defined :

    <?php  if(isset($_post["submit1"]))  {  echo $filename = basename($_files['healthfile']['name']); $newname = $folder_path . $filename;  $filetype = pathinfo($newname,pathinfo_extension);  if($filetype == "pdf") { if (move_uploaded_file($_files['healthfile']['tmp_name'], $newname)) {  $filesql = "update user set pdf ='$filename' id='$id'"; $query = mysqli_query($conn, $filesql); if (isset($query)) { echo 'file uploaded'; } else {  echo 'something went wrong';  }  }  else  {   echo "<p>upload failed.</p>";  }   } else { echo "<p>class notes must uploaded in pdf format.</p>"; }  } ?>

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