Upload file in "php"

<?php

if(isset($_FILES['uploadedfile'])){

$target_path = "upload/";


$target_path = $target_path . basename( $_FILES['uploadedfile']['name']);


$allowedExts = array("gif", "jpeg", "jpg", "bmp","tif","tiff","png");



$temp = explode(".", $_FILES["uploadedfile"]["name"]);



$extension = end($temp);



if((($_FILES["uploadedfile"]["type"] =="image/gif")



|| ($_FILES["uploadedfile"]["type"] == "image/jpeg")



|| ($_FILES["uploadedfile"]["type"] == "image/jpg")



|| ($_FILES["uploadedfile"]["type"] == "image/bmp")



|| ($_FILES["uploadedfile"]["type"] == "image/tif")



|| ($_FILES["uploadedfile"]["type"] == "image/png"))







 && ($_FILES["uploadedfile"]["size"] < 1000000)



 && in_array($extension, $allowedExts))


  {


if(move_uploaded_file($_FILES['uploadedfile']['tmp_name'], $target_path))



{



    echo "The file ".  basename($_FILES['uploadedfile']['name']). " has been uploaded";



}



}



else



 {



   echo "There was an error uploading the file, please try again!";



 }



}

?>