<?php 

function rand_logos($patch = "pic/logos/") 

{ 

if(!$dir = opendir($patch)) return "Это не директория"; 

while(($t = readdir($dir)) !== false) 

{ 

$ext = substr(strrchr($t,'.'), 1); 

if(is_file($t) && ($ext == "gif") || ($ext == "jpg") || ($ext == "png")) 

{ 

$filename[] = $patch."/".$t; 

} 

} 



closedir($dir); 

$index = rand(0, count($filename) - 1); 

$foto = "<img src=".$filename[$index].">"; 

return $foto; 

} 

echo rand_logos();

?>