general.php

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      $order_query = tep_db_query("select products_id, products_quantity from " . TABLE_ORDERS_PRODUCTS . " where orders_id = '" . tep_db_input($order_id) . "'");
      while ($order = tep_db_fetch_array($order_query)) {
        tep_db_query("update " . TABLE_PRODUCTS . " set products_quantity = products_quantity + " . $order['products_quantity'] . " where products_id = '" . $order['products_id'] . "'");
      }
    }

    tep_db_query("delete from " . TABLE_ORDERS . " where orders_id = '" . tep_db_input($order_id) . "'");
    tep_db_query("delete from " . TABLE_ORDERS_PRODUCTS . " where orders_id = '" . tep_db_input($order_id) . "'");
    tep_db_query("delete from " . TABLE_ORDERS_PRODUCTS_ATTRIBUTES . " where orders_id = '" . tep_db_input($order_id) . "'");
    tep_db_query("delete from " . TABLE_ORDERS_STATUS_HISTORY . " where orders_id = '" . tep_db_input($order_id) . "'");
    tep_db_query("delete from " . TABLE_ORDERS_TOTAL . " where orders_id = '" . tep_db_input($order_id) . "'");
  }

  function tep_reset_cache_block($cache_block) {
    global $cache_blocks;

    for ($i=0; $i<sizeof($cache_blocks); $i++) {
      if ($cache_blocks[$i]['code'] == $cache_block) {
        if ($cache_blocks[$i]['multiple']) {
          if ($dir = @opendir(DIR_FS_CACHE)) {
            while ($cache_file = readdir($dir)) {
              $cached_file = $cache_blocks[$i]['file'];
              $languages = tep_get_languages();
              for ($j=0; $j<sizeof($languages); $j++) {
                $cached_file_unlink = ereg_replace('-language', '-' . $languages[$j]['directory'], $cached_file);
                if (ereg('^' . $cached_file_unlink, $cache_file)) {
                  @unlink(DIR_FS_CACHE . $cache_file);
                }
              }
            }
            closedir($dir);
          }
        } else {
          $cached_file = $cache_blocks[$i]['file'];
          $languages = tep_get_languages();
          for ($i=0; $i<sizeof($languages); $i++) {
            $cached_file = ereg_replace('-language', '-' . $languages[$i]['directory'], $cached_file);
            @unlink(DIR_FS_CACHE . $cached_file);
          }
        }
        break;
      }
    }
  }

  function tep_get_file_permissions($mode) {
// determine type
    if ( ($mode & 0xC000) == 0xC000) { // unix domain socket
      $type = 's';
    } elseif ( ($mode & 0x4000) == 0x4000) { // directory
      $type = 'd';
    } elseif ( ($mode & 0xA000) == 0xA000) { // symbolic link
      $type = 'l';
    } elseif ( ($mode & 0x8000) == 0x8000) { // regular file
      $type = '-';
    } elseif ( ($mode & 0x6000) == 0x6000) { //bBlock special file
      $type = 'b';
    } elseif ( ($mode & 0x2000) == 0x2000) { // character special file
      $type = 'c';
    } elseif ( ($mode & 0x1000) == 0x1000) { // named pipe
      $type = 'p';
    } else { // unknown
      $type = '?';
    }

// determine permissions
    $owner['read']    = ($mode & 00400) ? 'r' : '-';
    $owner['write']   = ($mode & 00200) ? 'w' : '-';
    $owner['execute'] = ($mode & 00100) ? 'x' : '-';
    $group['read']    = ($mode & 00040) ? 'r' : '-';
    $group['write']   = ($mode & 00020) ? 'w' : '-';
    $group['execute'] = ($mode & 00010) ? 'x' : '-';
    $world['read']    = ($mode & 00004) ? 'r' : '-';
    $world['write']   = ($mode & 00002) ? 'w' : '-';
    $world['execute'] = ($mode & 00001) ? 'x' : '-';

// adjust for SUID, SGID and sticky bit
    if ($mode & 0x800 ) $owner['execute'] = ($owner['execute'] == 'x') ? 's' : 'S';
    if ($mode & 0x400 ) $group['execute'] = ($group['execute'] == 'x') ? 's' : 'S';
    if ($mode & 0x200 ) $world['execute'] = ($world['execute'] == 'x') ? 't' : 'T';

    return $type .
           $owner['read'] . $owner['write'] . $owner['execute'] .
           $group['read'] . $group['write'] . $group['execute'] .
           $world['read'] . $world['write'] . $world['execute'];
  }

  function tep_array_slice($array, $offset, $length = '0') {
    if (function_exists('array_slice')) {
      return array_slice($array, $offset, $length);
    } else {
      $length = abs($length);
      if ($length == 0) {
        $high = sizeof($array);
      } else {
        $high = $offset+$length;
      }

      for ($i=$offset; $i<$high; $i++) {
        $new_array[$i-$offset] = $array[$i];
      }

      return $new_array;
    }
  }

  function tep_remove($source) {
    global $messageStack, $tep_remove_error;

    if (isset($tep_remove_error)) $tep_remove_error = false;

    if (is_dir($source)) {
      $dir = dir($source);
      while ($file = $dir->read()) {
        if ( ($file != '.') && ($file != '..') ) {
          if (is_writeable($source . '/' . $file)) {
            tep_remove($source . '/' . $file);
          } else {
            $messageStack->add(sprintf(ERROR_FILE_NOT_REMOVEABLE, $source . '/' . $file), 'error');
            $tep_remove_error = true;
          }
        }
      }
      $dir->close();

      if (is_writeable($source)) {
        rmdir($source);
      } else {
        $messageStack->add(sprintf(ERROR_DIRECTORY_NOT_REMOVEABLE, $source), 'error');
        $tep_remove_error = true;
      }
    } else {
      if (is_writeable($source)) {
        unlink($source);
      } else {
        $messageStack->add(sprintf(ERROR_FILE_NOT_REMOVEABLE, $source), 'error');
        $tep_remove_error = true;
      }
    }
  }

////
// Wrapper for constant() function
// Needed because its only available in PHP 4.0.4 and higher.
  function tep_constant($constant) {
    if (function_exists('constant')) {
      $temp = constant($constant);
    } else {
      eval("\$temp=$constant;");
    }
    return $temp;
  }

////
// Output the tax percentage with optional padded decimals
  function tep_display_tax_value($value, $padding = TAX_DECIMAL_PLACES) {
    if (strpos($value, '.')) {
      $loop = true;
      while ($loop) {
        if (substr($value, -1) == '0') {
          $value = substr($value, 0, -1);
        } else {
          $loop = false;
          if (substr($value, -1) == '.') {
            $value = substr($value, 0, -1);
          }
        }
      }
    }

    if ($padding > 0) {
      if ($decimal_pos = strpos($value, '.')) {
        $decimals = strlen(substr($value, ($decimal_pos+1)));
        for ($i=$decimals; $i<$padding; $i++) {
          $value .= '0';
        }
      } else {
        $value .= '.';
        for ($i=0; $i<$padding; $i++) {
          $value .= '0';
        }
      }
    }

    return $value;
  }

  function tep_mail($to_name, $to_email_address, $email_subject, $email_text, $from_email_name, $from_email_address) {
    if (SEND_EMAILS != 'true') return false;

    // Instantiate a new mail object
    $message = new email(array('X-Mailer: osC mailer'));

    // Build the text version
    $text = strip_tags($email_text);
    if (EMAIL_USE_HTML == 'true') {
      $message->add_html($email_text, $text);
    } else {
      $message->add_text($text);
    }

    // Send message
    $message->build_message();
    $message->send($to_name, $to_email_address, $from_email_name, $from_email_address, $email_subject);
  }

  function tep_get_tax_class_title($tax_class_id) {
    if ($tax_class_id == '0') {
      return TEXT_NONE;
    } else {
      $classes_query = tep_db_query("select tax_class_title from " . TABLE_TAX_CLASS . " where tax_class_id = '" . $tax_class_id . "'");
      $classes = tep_db_fetch_array($classes_query);

      return $classes['tax_class_title'];
    }
  }

  function tep_banner_image_extension() {
    if (function_exists('imagetypes')) {
      if (imagetypes() & IMG_PNG) {
        return 'png';
      } elseif (imagetypes() & IMG_JPG) {
        return 'jpg';
      } elseif (imagetypes() & IMG_GIF) {
        return 'gif';
      }
    } elseif (function_exists('imagecreatefrompng') && function_exists('imagepng')) {
      return 'png';
    } elseif (function_exists('imagecreatefromjpeg') && function_exists('imagejpeg')) {
      return 'jpg';
    } elseif (function_exists('imagecreatefromgif') && function_exists('imagegif')) {
      return 'gif';
    }

    return false;
  }

////
// Add tax to a products price
  function tep_add_tax($price, $tax) {
    global $currencies;

    if (DISPLAY_PRICE_WITH_TAX) {
      return round($price, $currencies->currencies[DEFAULT_CURRENCY]['decimal_places']) + tep_calculate_tax($price, $tax);
    } else {
      return round($price, $currencies->currencies[DEFAULT_CURRENCY]['decimal_places']);
    }
  }

// Calculates Tax rounding the result
  function tep_calculate_tax($price, $tax) {
    global $currencies;

    return round($price * $tax / 100, $currencies->currencies[DEFAULT_CURRENCY]['decimal_places']);
  }

////
// Returns the tax rate for a zone / class
// TABLES: tax_rates, zones_to_geo_zones
  function tep_get_tax_rate($class_id, $country_id = -1, $zone_id = -1) {
    global $customer_zone_id, $customer_country_id;

    if ( ($country_id == -1) && ($zone_id == -1) ) {
      if (!tep_session_is_registered('customer_id')) {
        $country_id = STORE_COUNTRY;
        $zone_id = STORE_ZONE;
      } else {
        $country_id = $customer_country_id;
        $zone_id = $customer_zone_id;
      }
    }

    $tax_query = tep_db_query("select SUM(tax_rate) as tax_rate from " . TABLE_TAX_RATES . " tr left join " . TABLE_ZONES_TO_GEO_ZONES . " za ON tr.tax_zone_id = za.geo_zone_id left join " . TABLE_GEO_ZONES . " tz ON tz.geo_zone_id = tr.tax_zone_id WHERE (za.zone_country_id IS NULL OR za.zone_country_id = '0' OR za.zone_country_id = '" . $country_id . "') AND (za.zone_id IS NULL OR za.zone_id = '0' OR za.zone_id = '" . $zone_id . "') AND tr.tax_class_id = '" . $class_id . "' GROUP BY tr.tax_priority");
    if (tep_db_num_rows($tax_query)) {
      $tax_multiplier = 1.0;
      while ($tax = tep_db_fetch_array($tax_query)) {
        $tax_multiplier *= 1.0 + ($tax['tax_rate'] / 100);
      }
      return ($tax_multiplier - 1.0) * 100;
    } else {
      return 0;
    }
  }
function tep_get_admin_name($admin_id) {

    $admin_query = tep_db_query("select admin_name from " . TABLE_ADMINISTRATORS . " where admin_id = '" . $admin_id . "'");
    $admin = tep_db_fetch_array($admin_query);

    return $admin['admin_name'];
  }
?>