obrazki.php

<?php
    function obrazki($tag) {
        $dir = './images/foto';
        if (is_dir($dir)) {
            if ($dir_open = opendir($dir)) {
                while ($file = readdir($dir_open)) {
                    if ($file == "." || $file == "..") continue;
                    $file_tag = substr($file,0,strlen($file)-7);
                    if ($file_tag == $tag) $tab[] = $file; 
                }
                asort($tab);
            } 
            closedir($dir_open);
        }
        foreach ($tab as $value) {
            echo '<img src="images/foto/'.str_replace(".","_m.",$value).'">'."\n";
        }
    }
?>