PHP - How to count number of uploaded files ?

countfiles.php

<?php

if(isset($_POST['submit'])){

    function countUploadedFiles($name){
        /*
        if a user submits the form
        with out selecting any files
        */
        if($_FILES[$name]['size'][0]==0){
            echo "0 FILES UPLOADED";
            return;
        }

        $filesCount=count($_FILES[$name]['tmp_name']);
        echo "{$filesCount} FILES UPLOADED";
        return;
    }

    countUploadedFiles("pictures");
}
?>