vars.module in Variable API 7.2

Implements an API to handle persistent variables.

File

vars.module

<?php

/**
 * @file
 * Implements an API to handle persistent variables.
 */

/**
 * Implements hook_boot().
 *
 * The hook is intentionally empty, as it is used only to assure the module is
 * loaded on early bootstrap time.
 */
function vars_boot() {
}

/**
 * Implements hook_flush_caches().
 */
function vars_flush_caches() {
  return array(
    'cache_vars',
  );
}

/**
 * Implements hook_modules_uninstalled().
 */
function vars_modules_uninstalled($modules) {
  global $conf;
  $defaults = db_select('variable_default', 'vd')
    ->condition('vd.module', $modules, 'IN')
    ->fields('vd', array(
    'name',
    'value',
    'flags',
  ))
    ->execute();
  $variables = array();
  foreach ($defaults as $default) {
    $name = $default->name;
    if ($default->flags & self::VARS_DYNAMIC) {
      $name_like = db_like($name . '_') . '%';
      $vars = db_select('variable', 'v')
        ->condition(db_or()
        ->condition('v.name', $name_like, 'LIKE')
        ->condition('v.name', $name))
        ->fields('v', array(
        'name',
      ))
        ->execute();
      foreach ($vars as $var) {
        unset($conf[$var->name]);
        $variables[] = $var->name;
      }
    }
    else {
      $variables[] = $name;
      unset($conf[$name]);
    }
  }
  if (!empty($variables)) {
    db_delete('variable')
      ->condition('name', $variables, 'IN')
      ->execute();
    db_delete('variable_default')
      ->condition('module', $modules, 'IN')
      ->execute();
    foreach ($modules as $module) {
      cache_clear_all('module:' . $module, 'cache_vars');
    }
    cache_clear_all('variables', 'cache_bootstrap');
    Vars::staticReset('vars_default_values');
  }
}

/**
 * Implements hook_node_type_delete().
 */
function vars_node_type_delete($info) {
  global $conf;
  $names = array();
  $variables = Vars::loadDefaults('node_type');
  if (array_key_exists('dynamic', $variables)) {
    foreach (array_keys($variables['dynamic']) as $var) {
      $names[] = $var->name . '_' . $info->type;
      unset($conf[$var->name . '_' . $info->type]);
    }
  }
  if (!empty($names)) {
    db_delete('variable')
      ->condition('name', $names, 'IN')
      ->execute();
    cache_clear_all('variables', 'cache_bootstrap');
  }
}
function _var_check_locale_directory($dir, array $files) {
  if (empty($dir)) {
    $directory = '/';
    $separator = '';
  }
  else {
    $path = explode('/', $dir);
    if (empty($path[0])) {
      $directory = '/';
    }
    else {
      $directory = DRUPAL_ROOT . '/';
    }
    $path = preg_grep('/^\\.{0,2}$/', $path, PREG_GREP_INVERT);
    if (!empty($path)) {
      $directory .= implode('/', $path);
      $separator = '/';
    }
    else {
      $separator = '';
    }
  }
  if (file_exists($directory) && is_dir($directory)) {
    foreach ($files as $file) {
      $filename = implode('/', preg_grep('/^\\.{0,2}$/', explode('/', $file), PREG_GREP_INVERT));
      if (!file_exists("{$directory}{$separator}{$filename}")) {
        return FALSE;
      }
    }
  }
  else {
    return FALSE;
  }
  return TRUE;
}
function _vars_check_remote_directory($dir, array $files) {
  $codes = array(
    200,
    301,
    302,
    307,
  );
  if (empty($dir) && !valid_url($dir, TRUE)) {
    return FALSE;
  }
  $info = @parse_url($dir);
  if (!empty($info)) {
    if (empty($info['scheme']) || !preg_match('/https?/i', $info['scheme'])) {
      return FALSE;
    }
    $url = $info['scheme'] . '://';
    if (!empty($info['user'])) {
      $url .= $info['user'];
    }
    if (!empty($info['pass'])) {
      $url .= ':' . $info['pass'];
    }
    if (!empty($info['user'])) {
      $url .= '@';
    }
    $url .= $info['host'];
    if (!empty($info['port'])) {
      $url .= ':' . $info['port'];
    }
    $url .= '/';
    if (!empty($info['path'])) {
      $path = implode('/', preg_grep('/^\\.{0,2}$/', explode('/', $info['path']), PREG_GREP_INVERT));
      if (!empty($path)) {
        $url .= $path . '/';
      }
    }
    foreach ($files as $file) {
      $filename = implode('/', preg_grep('/^\\.{0,2}$/', explode('/', $file), PREG_GREP_INVERT));
      $result = drupal_http_request($url . $filename);
      if (!in_array($result->code, $codes) && empty($result->data)) {
        return FALSE;
      }
    }
  }
  else {
    return FALSE;
  }
}

Functions

Name	Description
vars_boot	Implements hook_boot().
vars_flush_caches	Implements hook_flush_caches().
vars_modules_uninstalled	Implements hook_modules_uninstalled().
vars_node_type_delete	Implements hook_node_type_delete().
_vars_check_remote_directory
_var_check_locale_directory