duvar.module

Go to the documentation of this file.

<?php
// $Id$
function duvar_set($var, $val) {
  global $user;
  if ($user->uid == 0) {
    return FALSE;
  }
  $sql = "INSERT INTO `{duvariables}` (`uid`, `name`, `value`) VALUES (%d, '%s', '%s')";
  if (function_exists('dcache_del')) {
    dcache_del(duvar_ns('duvar'), DCACHE_DRUPAL);
  }
  return db_query($sql, $user->uid, $var, $val);
}

function duvar_get($var, $def) {
  static $cache = NULL;
  global $user;
  if ($user->uid == 0) {
    return $def;
  }
  if (!$cache && function_exists('dcache_get')) {
    $cache = dcache_get(duvar_ns('duvar'), DCACHE_DRUPAL);
  }
  if (isset($cache) && isset($cache[$var])) {
    return $cache[$var];
  }
  $sql = "SELECT `value` FROM `{duvariables}` WHERE `uid` = %d AND `name` = '%s'";
  $result = db_query($sql, $user->uid, $var);
  if ($result === FALSE) {
    $result = $def;
  }
  else {
    $result = db_fetch_object($result);
  }
  $cache[$var] = $result;
  if (function_exists('dcache_set')) {
    dcache_set(duvar_ns('duvar'), $cache, DCACHE_DRUPAL, TRUE);
  }
  return $cache[$var];
}

function duvar_del($var) {
  global $user;
  if ($user->uid == 0) {
    return FALSE;
  }
  $sql = "DELETE FROM `{duvariables}` WHERE `uid` = %d AND `name` = '%s'";
  if (function_exists('dcache_del')) {
    dcache_del(duvar_ns('duvar'), DCACHE_DRUPAL);
  }
  return db_query($sql, $user->uid, $var);
}

function duvar_ns($ns) {
  global $user;
  return "{$ns}:{$user->uid}:";
}