<?php

if($_SERVER['REQUEST_METHOD']=='GET')
{
	$folder 		= $_GET['folder'];
	$subfolders = $_GET['subfolders'];
}

$counter = 0;
$files = array();

function array_casecmp($keys) {
		if (gettype($keys) != "array") $keys = func_get_args();
    return function ($a, $b) use ($keys) {
				foreach($keys as $value) {
					$akeys = $akeys . $a[$value];
					$bkeys = $bkeys . $b[$value];
				}
        return strcasecmp($akeys, $bkeys);
    };
}

function build_index($dir) {

  global $folder;
	global $subfolders;
	global $counter;
	global $files;

  // open handler for the directory
  $iter = new DirectoryIterator($dir);

  foreach($iter as $item) {
  	// make sure you don't try to access the current dir or the parent
  	if ($item != '.' && $item != '..') {
  		if( $item->isDir() ) {
  			// call the function on the folder
				if ($subfolders == "yes") {
					build_index("$dir/$item");
				}
  		} else {
        // print files
        if(preg_match("/.jpg/is", $item->getPathname(), $match)) {
          $link = $item->getPathname();
					if ($dir == $folder) {
						$files[$counter]["dir"] = "0";
					}
					else {
						$files[$counter]["dir"] = "1";
					}
					$files[$counter]["link"] = $link;
					$counter += 1;
        }
      }
    }
  }
	
}

function print_index($files) {
	global $files;
	global $counter;
	//array_multisort($files[0], $files[1]);
	usort($files, array_casecmp("dir","link"));
  foreach($files as $item) {
		echo "'" . $item["link"] . "',";
	}	
}
		
echo "getPictures({pictures : [";
build_index($folder);
print_index();
echo "]})";

?>