multiple image upload is not working in iphone and

I am trying to use upload images it works perfect in browser but it doesn't work in iphone and ipad .below are code and screenshots for iphone

test.php
---------
<?php 
    if(isset($_POST['submit']))
    {
        //echo "<pre>";
        //print_r($_FILES);
        //exit;
        copy($_FILES["image1"]["tmp_name"],"upload/".$_FILES["image1"]["name"]);
        copy($_FILES["image2"]["tmp_name"],"upload/".$_FILES["image2"]["name"]);
        copy($_FILES["image3"]["tmp_name"],"upload/".$_FILES["image3"]["name"]);
        echo "Stored in: " . "upload/" . $_FILES["image1"]["name"];
        echo "<br>";
        echo "Stored in: " . "upload/" . $_FILES["image2"]["name"];
        echo "<br>";
        echo "Stored in: " . "upload/" . $_FILES["image3"]["name"];
    }
?>
<!doctype html>
<html lang="en">
   <head>
      <meta charset="utf-8">
      <title>demo</title>
   </head>
   <body>
      <form method="post" enctype="multipart/form-data"> 
         image 1 : <input type="file" name="image1" ><br/>
         image 2 : <input type="file" name="image2" ><br/>
         image 3 : <input type="file" name="image3" ><br/>
         <input type="submit" name="submit" value="Submit">
      </form>
   </body>
</html>

iphone screenshot

As we can see from this below array this is displayed in iphone/ipad the image names are same for all and when i try to check for upload folder it displayed only the last image i.e third image .

[image1] => Array
    (
        [name] => image.jpg
        [type] => image/jpeg
        [tmp_name] => /tmp/phpewhdwx
        [error] => 0
        [size] => 44009
    )

[image2] => Array
    (
        [name] => image.jpg
        [type] => image/jpeg
        [tmp_name] => /tmp/phpwYDYBM
        [error] => 0
        [size] => 27762
    )

[image3] => Array
    (
        [name] => image.jpg
        [type] => image/jpeg
        [tmp_name] => /tmp/php0vqnB2
        [error] => 0
        [size] => 32961
    )

Ok i have found the solution :)

we have issue in ipad's and iphone's as they use name for all images as image.jpg so if we use multiple image this gets overridden so we need to add rand() or any unique key to the name at time of copy to folder.

$image1 = rand().$_FILES["image1"]["name"];
    $image2 = rand().$_FILES["image2"]["name"];
    $image3 = rand().$_FILES["image3"]["name"];

    copy($_FILES["image1"]["tmp_name"],"upload/".$image1);
    copy($_FILES["image2"]["tmp_name"],"upload/".$image2);
    copy($_FILES["image3"]["tmp_name"],"upload/".$image3);