<?php
FUNCTION OUT($text, $nl = TRUE){
  echo $text.($nl ? "\n" : '');
  flush();
}
header('content-type:text/plain;charset=windows-1250');
IF (isset($_GET['file'])){
  $filename = $_GET['file'].'.zip';
  IF (!file_exists($filename)) die ('not found!');
} ELSE {
  $files = scandir('.');
  foreach ($files AS $val){
    IF (SUBSTR($val, -4, 4) == '.zip'){
      $filename = $val;
      OUT("Found file: $val");
      break;
    }
  }
  IF (!isset($filename)) die ('no zip file found!');
}
$zip = zip_open($filename);
IF ($zip) {
  OUT('Unzipping');
  OUT('---------');
  WHILE ($zip_entry = zip_read($zip)) {
    /*$name = zip_entry_name($zip_entry);
    $name = str_replace('\\', '/', $name);
    $path = explode('/', $name);
    $folder = '';
    for ($i = 0; $i < count($path)-1; $i++){
      if ($i > 0) $folder .= '/';
      echo "<<$folder>>";
      $folder .= $path[$i];
      if (!is_dir($folder)){
        if (mkdir($folder)){
          out ("Created directory: $folder");
        } else {
          out ("Failed to create directory: $folder");
          continue;
        }
      }
    }*/
    $name = zip_entry_name($zip_entry);
    IF (SUBSTR($name, -1, 1) == '/') {//dir
      $name = SUBSTR($name, 0, strlen($name)-1);
      OUT("Dir: $name");
      mkdir($name);
    } ELSE { //FILE
      OUT("File: $name", FALSE);
      $fp = fopen(zip_entry_name($zip_entry), "w");
      IF (zip_entry_open($zip, $zip_entry, "r")) {
        OUT('.', FALSE);
        $buf = zip_entry_read($zip_entry, zip_entry_filesize($zip_entry));
        fwrite($fp,"$buf");
        zip_entry_close($zip_entry);
        fclose($fp);
      }
      OUT('');
    }
  }
  zip_close($zip);
  OUT('Unzip completed');
} ELSE {
  echo "unzip error";
}