/*
Created By:
Josh Santomieri 
Santomieri Systems
http://www.santsys.com

Random image from a directory script
*/

function make_seed()
{
	list($usec, $sec) = explode(' ', microtime());
	return (float) $sec + ((float) $usec * 100000);
}
	
function rand_img($img_path = "./images/", $dont_show = array('.','..','thumbs.db'), $file_types = array('jpg','gif','png'))
{
	// img_path must have slash '/' after it
	//$img_path = "./images/";
	//$dont_show = array('.','..','thumbs.db');
	//$file_types = array('jpg','gif','png');

	$type_ok = 0;
	$show_ok = 1;

	if($handle = opendir($img_path))
	{
		$file_array = array("");
		while(false !== ($file = readdir($handle))) 
		{
			if(!is_dir($img_path.$file))
			{
				// make sure the file has the right extension
				$file_info = pathinfo($img_path.$file);
				for($i = 0; $i < count($file_types); $i++)
				{
					if($file_info["extension"] == $file_types[$i])
					{
						$type_ok = 1;
						break;
					}
				}
				if(($type_ok))
				{
					for($i = 0; $i < count($dont_show); $i++)
					{
						if($file == $dont_show[$i])
						{
							$show_ok = 0;
							break;
						}
					}
				}	
				if($type_ok && $show_ok)
				{
					echo "\"$file\"
";
					array_push($file_array, $file);
				}
			}
		}
		srand(make_seed());
		$randval = rand(1, count($file_array)-1);
		echo "";
		closedir($handle);
	}
	else
	{
		echo "Could Not Open Directory '".$img_path."'.\r\n";
	}
}

rand_img();