PHP File upload not working in linux server

Question

The file upload works with xampp in windows but not working when I moved it to a production centos server. It throws "invalid file" error. This is the code I am using:

<?php
  $allowedExts = array("gif", "jpeg", "jpg", "png");
  $temp = explode(".", $_FILES["file"]["name"]);
  $extension = end($temp);
  if ((($_FILES["file"]["type"] == "image/gif")
  || ($_FILES["file"]["type"] == "image/jpeg")
  || ($_FILES["file"]["type"] == "image/jpg")
  || ($_FILES["file"]["type"] == "image/pjpeg")
  || ($_FILES["file"]["type"] == "image/x-png")
  || ($_FILES["file"]["type"] == "image/png"))
  && ($_FILES["file"]["size"] < 20000)
  && in_array($extension, $allowedExts))
  {
  if ($_FILES["file"]["error"] > 0)
  {
   echo "Return Code: " . $_FILES["file"]["error"] . "<br>";
  }
  else
  {
   echo "Upload: " . $_FILES["file"]["name"] . "<br>";
   echo "Type: " . $_FILES["file"]["type"] . "<br>";
   echo "Size: " . ($_FILES["file"]["size"] / 1024) . " kB<br>";
   echo "Temp file: " . $_FILES["file"]["tmp_name"] . "<br>";

if (file_exists("upload/" . $_FILES["file"]["name"]))
  {
  echo $_FILES["file"]["name"] . " already exists. ";
  }
else
  {
  move_uploaded_file($_FILES["file"]["tmp_name"],
  "upload/" . $_FILES["file"]["name"]);
  echo "Stored in: " . "upload/" . $_FILES["file"]["name"];
  }
  }
  }
else
 {
 echo "Invalid file";
 }
 ?>

Can someone please help me with this........

check if upload folder is having write permission on production server. — Abhik Chakraborty
– Abhik Chakraborty, Commented Mar 19, 2014 at 6:29
and also check whether enctype="multipart/form-data" this set to Your form tag or not. — Ripa Saha
– Ripa Saha, Commented Mar 19, 2014 at 6:33
replace move_uploaded_file($_FILES["file"]["tmp_name"], "upload/" . $_FILES["file"]["name"]); with move_uploaded_file($_FILES["file"]["name"], "upload/" . $_FILES["file"]["name"]); --- try this and let me know — Ripa Saha
– Ripa Saha, Commented Mar 19, 2014 at 6:39

Ripa Saha · Accepted Answer · 2014-03-19 06:46:24Z

4

replace below line

move_uploaded_file($_FILES["file"]["tmp_name"], "upload/" . $_FILES["file"]["name"]);

with the below line

move_uploaded_file($_FILES["file"]["name"], "upload/" . $_FILES["file"]["name"]);

It'll solve Your problem.

answered Mar 19, 2014 at 6:46

Ripa Saha

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2 Comments

Ripa Saha Over a year ago

@winnyboy5 this is the problem You are facing is permission issue. check projectpier.org/node/285

Ripa Saha Over a year ago

and also check stackoverflow.com/questions/3787680/…

Lutz Prechelt · Accepted Answer · 2022-09-30 16:21:59Z

0

Locate the php.ini file and make sure that file_upload is enabled and not commented.

    sudo find / -name php.ini

edit:

sudo nano /etc/php/8.x or 7.4 your version/apache2/php.ini

uncomment:

file_upload=no
file_max_filesize=100M
max_file_uploads= 200

Make sure your php file upload script contains the correct upload folder directory (./upload/ or /upload or upload/).

Check if the upload folder has the required permission: "normally all files on a server must have the following permission: 644 and all folders 755"

sudo chmod 755 -R your-upload-folder

if notm try with chmod 777

    sudo chown username:usergroup your-upload-folder

restart your server.
Apache:

    sudo service apache2 restart

Nginx:

    sudo systemctl restart nginx

https://www.youtube.com/watch?v=hxsBJBa9bQM

edited Sep 30, 2022 at 16:21

Lutz Prechelt

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answered Sep 24, 2022 at 19:11

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