<?php

$alea=rand(0,100);

$logo='topisto_vert_tr.png';

if ($alea > 5)

{

  $files = glob('logo/medium/*/topisto_vert.png');

  usort($files, function($a, $b) {

    return filemtime($a) > filemtime($b);

  });

  shuffle($files);

  $logo = $files[0];

}

$block_image = @imagecreatefrompng($logo);

// ---

// --- envoyer l'image au navigateur

// ---

header("Content-Type: image/png");

imagepng($block_image);

imagedestroy($block_image);

?>