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<?php

function Get_Image_list($dir) {
if(!$dir) {
  $dir = ".";
}
$file_array = array();
$dir_handle = opendir($dir);
$a = 0;
while($file = readdir($dir_handle)) {
if((preg_match('/jpg/',$file)) || 
   (preg_match('/png/',$file)) || 
   (preg_match('/gif/',$file)) ||
   (preg_match('/jpeg/',$file)))  {

   $file_array[$a] = $file;
   $a++;
}
}

return $file_array;
}

$files = Get_Image_list($dir);

$max = count($files)-1;
srand((double)microtime()*1000000);
$index = rand(0,$max);
$image_name = $files[$index];

?>
<img border=0 alt="random image" src="<? echo "$dir/$image_name";?>">

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<img src="<img src="url">">

Code: Select all

<? 
$absolute_path = "/home/yoursite/public_html/avatars"; 
$dir = opendir($absolute_path); 
while($avatar = readdir($dir)) { 
if (($avatar != "..") and ($avatar != ".")) { 
   $avatars[] = "$avatar"; 
} 
} 
$avatars = str_replace(chr(32),"%20",$avatars); 
$random = array_rand ($avatars, 1); 
$randomAvatarURL=$avatars[$random]; 
$avatar = fopen("$absolute_path/$randomAvatarURL", "r"); 
while (!feof ($avatar)) { 
        print fread($avatar,120); 
} 
fclose($avatar); 
?>