<?php

    $uploads_dir = "moj/priecinok/s/obrazkami";

    $tmp_name = $_FILES["picture"]["tmp_name"];
        $name = $_FILES["picture"]["name"];
        move_uploaded_file($tmp_name, "$uploads_dir/$name");

    //a nasledne urobit insert alebo update stlpca v DB, kde ma uzivatel svoj avatar a vlozit tam hodnotu $_FILES["picture"]["name"]
    // pripadne je mozne obrazok aj premenovat, cize do $name napiseme vlastne meno, pripadne naodny retazec, aby sa obrazky v $uploads_dir neprepisovali

?>