<?php
      if($_POST['yukle']){
      function rastgelesayi() {
    $salt = "abchefghjkmnpqrstuvwxyz0123456789";
    srand((double)microtime()*1000000);
    $i = 0;
    while ($i <= 7) {
        $num = rand() % 33;
        $tmp = substr($salt, $num, 1);
        $pass = $pass . $tmp;
        $i++;
    }
    return $pass;
}
$photo='dosya/'.$_FILES['photo']['name'];
$photo=explode('.', $photo);
$photo='dosya/'.rastgelesayi().'.'.$photo[1];
if (is_uploaded_file($_FILES['photo']['tmp_name'])) {
    if (move_uploaded_file($_FILES['photo']['tmp_name'], "" .$photo)) {
        echo "http://www.site.com/admin/".$photo." ";
    } else {
        echo "Hata Oldu.";
}
} 
}
?>