PHP file upload error tmp_name is empty

Question

I have this problem on my file upload. I try to upload my PDF file while checking on validation the TMP_NAME is empty and when I check on $_FILES['document_attach']['error'] the value is 1 so meaning there's an error.

But when I try to upload other PDF file it's successfully uploaded. Why is other PDF file not?

HTML

<form action="actions/upload_internal_audit.php" method="post" enctype="multipart/form-data"> <label>Title</label> <span><input type="text" name="title" class="form-control" placeholder="Document Title"></span> <label>File</label> <span><input type="file" name="document_attach"></span><br> <span><input type="submit" name="submit" value="Upload" class="btn btn-primary"></span> </form>

PHP

if(isset($_POST['submit'])){ $title = $_POST['title']; $filename = $_FILES['document_attach']['name']; $target_dir = "../eqms_files/"; $maxSize = 5000000; if(!empty($title)){ if(is_uploaded_file($_FILES['document_attach']['tmp_name'])){ if ($_FILES['document_attach']['size'] > $maxSize) { echo "File must be: ' . $maxSize . '"; } else { $result = move_uploaded_file($_FILES['document_attach']['tmp_name'], $target_dir . $filename); mysqli_query($con, "INSERT into internal_audit (id, title, file) VALUES ('', '".$title."', '".$filename."')"); echo "Successfully Uploaded"; } }else echo "Error Uploading try again later"; }else echo "Document Title is empty"; }

I already increase the upload_max_filesize=8M but when i check on phpinfo(); its still 2M . How to solve this? — Jay Viluan
– Jay Viluan, Commented May 20, 2015 at 19:56
Is the file to big? Have you tried to upload the file without validating? — Jakob Leifhelm
– Jakob Leifhelm, Commented May 20, 2015 at 19:58
php.net/manual/en/features.file-upload.errors.php lists all error codes. 1 is UPLOAD_ERR_INI_SIZE: The uploaded file exceeds the upload_max_filesize directive in php.ini. You might need to restart apache or php-fpm to use new php.ini settings. — JonnyJD
– JonnyJD, Commented Jun 18, 2020 at 15:52

DemonExposer · Accepted Answer · 2023-10-16 05:54:53Z

107

I just check the max size in phpinfo();

Then check if php.ini is loaded

$inipath = php_ini_loaded_file(); if ($inipath) { echo 'Loaded php.ini: ' . $inipath; } else { echo 'A php.ini file is not loaded'; }

Then Change the upload_max_filesize=2M to 8M in php.ini

; Maximum allowed size for uploaded files. upload_max_filesize = 8M ; Must be greater than or equal to upload_max_filesize post_max_size = 8M

Finally reset your Apache Server to apply the changes

service apache2 restart

edited Oct 16, 2023 at 5:54

DemonExposer

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answered May 20, 2015 at 20:00

Jay Viluan

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5 Comments

JonnyJD Over a year ago

When already having a look at the error code, you should also have a look here: php.net/manual/en/features.file-upload.errors.php. And post_max_size should always be a bit bigger than upload_max_filesize, otherwise upload_max_filesize will never "trigger" because the file is included in the POST, plus a bit of extra metadata.

JohnnyD Over a year ago

I am facing the same issue though upload is enabled and upload is set in the .user.ini to 500M, still the $uservid = $_POST['video']['tmp_name']; while I am not facing the same issue with the images. Also I get not errors what so ever in the error_log @jay-viluan

JohnnyD Over a year ago

also when I use $_FILES['video']['error']; it comes up empty ( 0 )

idk wut to put here Over a year ago

@JohnnyD, that's normal. An error of 0 means it is okay.

JohnnyD Over a year ago

@Someone_who_likes_SE yeah I know that, the issue was the above but it seems I had a $_FILES replaces with a $_POST which was causing me the issue

Rajesh Prasad Yadav · Accepted Answer · 2017-09-04 10:44:23Z

var_dump($_FILES['file_flag']['tmp_name']); // file_flag file key will return empty string array (size=1) 'course_video' => array (size=5) 'name' => string 'fasdfasdfasdfsd.mp4' (length=19) 'type' => string '' (length=0) 'tmp_name' => string '' (length=0) <===== *** this point 'error' => int 1 'size' => int 0

This happen because WAMP server not accepting this much size to uploaded on server.

to avoid this we need to change php.ini file.

upload_max_filesize=100M (as per your need) post_max_size = 100M (as per your need)

finally restart server

How do you know the OP was using WAMP? I don't see any mention of it in the question.
hello OMA , you only have to find php.ini file whether it is LAMP,XAMP,WAMP and you have to make changes in max_upload and post_max flag as per your requirements
Yes, I know, thanks. I was just asking because you are giving very specific indications for WAMP, when the OP didn't talk anything about using WAMP.

Sonic Soul · Accepted Answer · 2022-05-18 21:21:31Z

another option is to add a separate config file with upload limits.

i created uploads.ini:

memory_limit = 64M upload_max_filesize = 64M post_max_size = 64M max_execution_time = 60

and placed it in conf.d directory

in my case using Docker: /usr/local/etc/php/conf.d/uploads.ini

that way i could keep my production php.ini and add this just for uploads control

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