This is what I get working! Thanks spiderwell for direction!
<?php
$folder = 'images/galeria'; // Choose directory
$extensions = array('jpg','jpeg','gif','png');
$slika = scandir($folder);
sort($slika); // Sort the array
foreach($slika as $key => $value) {
$get_extensions = explode(".",$value);
$ext = $get_extensions[count($get_extensions) - 1];
// Only include files with desired extensions
if (in_array($ext, $extensions))
{
$title = substr($value, 0,strrpos($value,'.')); // Get filename for alt
echo '<img src="/'.$folder.'/'.$value.'" width="893" height="597" alt="'.$title.'" /> ';
}
}
?>