<form method="post" action="" enctype="multipart/form-data">
<input type="file" name="images[]" />
<input type="file" name="images[]" />
<input type="file" name="images[]" />
<input type="file" name="images[]" />
<input type="file" name="images[]" />
<input type="submit" name="upload" value=" UPLOAD " />
</form>