file not found after upload in php and mysql - php

Question

I would like to upload some files to my server. So far, they have been successfully stored in a MySQL database, but the problem is that the uploaded file is not found in a folder that is located on the server.
Here's my code:
$dir = $filename;
$target_dir = "file/$dir/";
if( is_dir($target_dir) === false )
{
mkdir($target_dir);
}
if(isset($_POST["submit"])) {
$formatfile = array('pdf');
$filetest= $_FILES['filetest']['name'];
$x = explode('.', $filetest);
$existence= strtolower(end($x));
$pdfsize = $_FILES['filetest']['size'];
$file_tmp = $_FILES['filetest']['tmp_name'];
if(in_array($existence, $formatfile) === true){
if($pdfsize < 1044070){
move_uploaded_file($file_tmp, "$target_dir.$filetest");
}
}
}
$sql = "INSERT INTO test (filename) VALUES ('$filetest')";
Is there anything I missed?

Answer 1

Please change $formatfile = array('pdf') to $formatfile = array('.pdf'=>'application/pdf');

Answer 2

$dir = $filename; Whis is vlaue of $filename ?
please use like this.
$dir = '/var/www/uploads/';
if(in_array($existence, $formatfile)){
if($pdfsize < 1044070){
move_uploaded_file($file_tmp, "$target_dir.$filetest");
}
}
}

Answer 3

whenever you are uploading a file.try the full path.
<?php
$dir = $filename;
$target_dir = dirname(__FILE__).'/file/'.$dir.'/';
if (is_dir($target_dir) === false) {
mkdir($target_dir);
}
if (isset($_POST['submit'])) {
$formatfile = array('pdf');
$filetest = $_FILES['filetest']['name'];
$x = explode('.', $filetest);
$existence = strtolower(end($x));
$pdfsize = $_FILES['filetest']['size'];
$file_tmp = $_FILES['filetest']['tmp_name'];
if (in_array($existence, $formatfile) === true) {
if ($pdfsize < 1044070) {
move_uploaded_file($file_tmp, $target_dir.$filetest);
}
}
}
$sql = 'INSERT INTO test (filename) VALUES ('.$filetest.')';

Answer 4

$dir = $filename;
$target_dir = "file/$dir/";
if( is_dir($target_dir) === false )
{
mkdir($target_dir);
}
if(isset($_POST["submit"])) {
$formatfile = array('pdf');
$filetest= $_FILES['filetest']['name'];
$x = explode('.', $filetest);
$existence= strtolower(end($x));
$pdfsize = $_FILES['filetest']['size'];
$file_tmp = $_FILES['filetest']['tmp_name'];
if(in_array($existence, $formatfile) === true){
if($pdfsize < 1044070){
//Remove ""
move_uploaded_file($file_tmp, $target_dir.$filetest);
//If file upload then and then execute query.
$sql = "INSERT INTO test (filename) VALUES ('$filetest')";
}else{
//Fire error
}
}else{
//Fire error
}
}else{
//Fire error
}