PHP code for uploading files without refreshing

 Upload files without refreshing

Copy code

File: upload.php

sleep(2);
$fileTypes = array('jpg','png','gif','bmp ');
$result = null;
$uploadDir = './upfiles';
$maxSize = 1 * pow(2,20);
if ($_SERVER['REQUEST_METHOD' ] == 'POST' && isset($_POST['sub'])) {
 $myfile = $_FILES['myfile'];
 $myfileType = substr($myfile['name'], strrpos($myfile[ 'name'], ".") + 1);
 if ($myfile['size'] > $maxSize) {
 $result = 1;
 } else if (! in_array($myfileType, $fileTypes)) {
 $result = 2;
 } elseif (is_uploaded_file($myfile['tmp_name'])) {
 $toFile = $uploadDir . '/' . $myfile['name'] ;
 if (@move_uploaded_file($myfile['tmp_name'], $toFile)) {
 $result = 0;
 } else {
 $result = -1;
 }
 } else {
 $result = 1;
 }
}
?>
< /p>