<?php   $uploaddir = 'event_gallery/';
        $fileName = time() .'.'. preg_replace('/\s+/', '',basename($_FILES['uploadfile']['name']));
		$file = $uploaddir.'/'.$fileName; 
		if (move_uploaded_file($_FILES['uploadfile']['tmp_name'], $file)) { 
		  echo $fileName; 
		} else {
			echo "error";
		}
?>