<?php
    function randomFileName()
    {
       $length = 5;
       $characters = 'abcdefghijklmnopqrstuvwxyz';
       $string = '';
       for ($p = 0; $p < $length; $p++) {
          $string .= $characters[mt_rand(0, strlen($characters))];
       }
       return $string . '.jpg';
    }
 
    $randomString = randomFileName();
    $target = 'uploads/';
    $target = $target . $randomString;
 
    if(move_uploaded_file($_FILES['media']['tmp_name'], $target))
    {
        //output the location to our image
        echo 'http://www.generandomaldad.com/dislex/uploads' . $randomString;
    }
    else
    {
        echo "false";
    }
?>