<?php
$ds = DIRECTORY_SEPARATOR;  //1
$storeFolder = 'uploads';   //2
if (! empty($_FILES)) {
    $tempFile = $_FILES['file']['tmp_name'];          //3
    $targetPath = dirname(__FILE__) . $ds . $storeFolder . $ds;  //4
    $targetFile = $targetPath . $_FILES['file']['name'];  //5
    move_uploaded_file($tempFile, $targetFile); //6
}
?> 