<?php

$directory = '../modules/имя папки модуля/ папка';

$allowed_types=array('jpg','jpeg','gif','png');
$file_parts=array();
$ext='';
$title='';
$i=0;

$dir_handle = @opendir($directory) or die("There is an error with your image directory!");

while ($file = readdir($dir_handle))
{
    if($file=='.' || $file == '..') continue;
    
    $file_parts = explode('.',$file);
    $ext = strtolower(array_pop($file_parts));

    $title = implode('.',$file_parts);
    $title = htmlspecialchars($title);
    
    $nomargin='';
    
    if(in_array($ext,$allowed_types))
    {
        if(($i+1)%4==0) $nomargin='nomargin';
    
        echo '
        <div class="pic '.$nomargin.'" style="background:url('.$directory.'/'.$file.') no-repeat 50% 50%;">
        <a href="'.$directory.'/'.$file.'" title="'.$title.'" target="_blank">'.$title.'</a>
        </div>';
        
        $i++;
    }
}

closedir($dir_handle);

?>

echo '
        <div class="pic '.$nomargin.'" style="background:url('.$directory.'/'.$file.') no-repeat 50% 50%;">
        <a href="'.$directory.'/'.$file.'" title="'.$title.'" target="_blank">'.$title.'</a>
        </div>';

echo $directory.'/'.$file;
echo '<br>';