PHP variable_del函数代码示例

/**
 * Create Cleaner settings form.
 *
 * @return array
 *   Form of the cleaner settings page.
 */
function hook_cleaner_settings()
{
    // Add CSS to the admin settings page.
    drupal_add_css(drupal_get_path('module', 'cleaner') . '/cleaner.css');
    $form = array();
    $yes_no = array(t('No'), t('Yes'));
    $inline = array('class' => array('container-inline'));
    $interval = array(0 => t('Every time')) + Cleaner::$intervals;
    $form['cleaner_cron'] = array('#type' => 'radios', '#title' => t('Run interval'), '#options' => $interval, '#default_value' => variable_get('cleaner_cron', 3600), '#description' => t('This is how often the options below will occur. The actions will occur on the next Cron run after this interval expires. "Every time" means on every Cron run.'), '#attributes' => $inline);
    $form['cleaner_clear_cache'] = array('#type' => 'radios', '#options' => $yes_no, '#title' => t('Clean up cache'), '#default_value' => variable_get('cleaner_clear_cache', 0), '#description' => Cleaner::cleanerGetCacheTablesTable(), '#attributes' => $inline);
    $form['cleaner_empty_watchdog'] = array('#type' => 'radios', '#options' => $yes_no, '#title' => t('Clean up Watchdog'), '#default_value' => variable_get('cleaner_empty_watchdog', 0), '#description' => t('There is a standard setting for controlling Watchdog contents. This is more useful for test sites.'), '#attributes' => $inline);
    $cookie = session_get_cookie_params();
    $select = db_select('sessions', 's')->fields('s', array('timestamp'))->condition('timestamp', REQUEST_TIME - $cookie['lifetime'], '<');
    $count = $select->execute()->rowCount();
    $form['cleaner_clean_sessions'] = array('#type' => 'radios', '#options' => $yes_no, '#title' => t('Clean up Sessions table'), '#default_value' => variable_get('cleaner_clean_sessions', 0), '#description' => t('The sessions table can quickly become full with old, abandoned sessions. This will delete all sessions older than @interval (as set by your site administrator). There are currently @count such sessions.', array('@interval' => format_interval($cookie['lifetime']), '@count' => $count)), '#attributes' => $inline);
    $form['cleaner_clean_cssdir'] = array('#type' => 'radios', '#options' => $yes_no, '#title' => t('Clean up CSS files'), '#default_value' => variable_get('cleaner_clean_cssdir', 0), '#description' => t('The CSS directory can become full with stale and outdated cache files.  This will delete all CSS cache files but the latest.'), '#attributes' => $inline);
    $form['cleaner_clean_jsdir'] = array('#type' => 'radios', '#options' => $yes_no, '#title' => t('Clean up JS files'), '#default_value' => variable_get('cleaner_clean_jsdir', 0), '#description' => t('The JS directory can become full with stale and outdated cache files.  This will delete all JS cache files but the latest.'), '#attributes' => $inline);
    // We can only offer OPTIMIZE to MySQL users.
    if (db_driver() == 'mysql') {
        $form['cleaner_optimize_db'] = array('#type' => 'radios', '#options' => $yes_no + array('2' => 'Local only'), '#title' => t('Optimize tables with "overhead" space'), '#default_value' => variable_get('cleaner_optimize_db', 0), '#description' => t('The module will compress (optimize) all database tables with unused space. <strong>NOTE</strong>: During an optimization, the table will locked against any other activity; on a high vloume site, this may be undesirable. "Local only" means do not replicate the optimization (if it is being done).'), '#attributes' => $inline);
    } else {
        // If not MySQL, delete(reset) the variable.
        variable_del('cleaner_optimize_db');
    }
    return array('cleaner' => $form);
}

 /**
  * Cleans up variables by template.
  */
 public static function doVariablesCleanupByTemplate($template)
 {
     $result = db_query("\n    SELECT name FROM {variable}\n    WHERE name LIKE '" . $template . "'");
     foreach ($result as $row) {
         variable_del($row->name);
     }
 }

 /**
  * Resets module settings
  */
 public function reset_settings()
 {
     variable_del('mylivechat_id');
     variable_del('mylivechat_displaytype');
     variable_del('mylivechat_membership');
     variable_del('mylivechat_encrymode');
     variable_del('mylivechat_encrykey');
 }

 /**
  * Tear down REST test.
  *
  * Call this from tearDown() method of your test class.
  */
 protected function restTearDown()
 {
     // Delete storage.
     unset($this->responseStorage);
     // Unset response file variable.
     variable_del('site_test_rest_response_file');
     $this->refreshVariablesRunner();
 }

function variable_move($old, $new)
{
    $val = variable_get($old, NULL);
    if (!is_null($value)) {
        variable_set($new, $val);
        variable_del($old);
    }
}

 /**
  * Method for deleting a key and its value from the caching mechanism.
  *
  * @param string $key
  *   The key that will be deleted, along with its value.
  *
  * @return NULL
  *   Returns after corresponding delete functionality finishes.
  */
 public function vdel($key)
 {
     if ($this->memcacheExists) {
         $this->mem->clear($key);
         return;
     }
     variable_del($key);
 }

function marketplace_reset_settings()
{
    global $theme_key;
    variable_del('theme_' . $theme_key . '_settings');
    variable_del('theme_settings');
    $cache =& drupal_static('theme_get_setting', array());
    $cache[$theme_key] = NULL;
}

 /**
  * Clear all Zeitgeist cache entries.
  */
 public static function clearAll()
 {
     $known_cids = array_keys(static::getCids());
     foreach ($known_cids as $cid) {
         $core_cid = static::prefixCid($cid);
         cache_clear_all($core_cid, Cache::BIN);
     }
     variable_del(static::VARCIDS);
 }

 /**
  * Restores the initial values of the Drupal variables.
  *
  * @AfterScenario
  */
 public function restoreVariables()
 {
     foreach ($this->initialVariables as $variable => $value) {
         if ($value === NULL) {
             variable_del($variable);
         } else {
             variable_set($variable, $value);
         }
     }
 }

 /**
  * Sets up modules for API tests, and saves the default branch for teardown.
  */
 function baseSetUp()
 {
     // This is restored in the tearDown() function.
     $this->default_branch = variable_get('api_default_branch', NULL);
     variable_del('api_default_branch');
     DrupalWebTestCase::setUp('drupal_queue', 'grammar_parser', 'ctools', 'api');
     include_once drupal_get_path('module', 'api') . '/api.admin.inc';
     include_once drupal_get_path('module', 'api') . '/parser.inc';
     drupal_queue_include();
     // Set up a super-user.
     $this->super_user = $this->drupalCreateUser(array('access API reference', 'administer API reference', 'access content', 'access administration pages', 'administer blocks', 'administer nodes'));
     $this->drupalLogin($this->super_user);
 }

function gd_cache_admin_settings_submit($form, &$form_state) {
    $text = StringHelper::trim($form_state['values']['resources']);

    $resourceIds = isset($text) ? gd_cache_parse_resources($text): NULL;

    $storageValue = isset($resourceIds) ? implode("\n", $resourceIds) : NULL;
    if (isset($storageValue)) {
        variable_set(VARIABLE_NAME__CACHE_URL, $storageValue);
        $message = t('@count URLs saved', array('@count' => count($resourceIds)));
    }
    else {
        variable_del(VARIABLE_NAME__CACHE_URL);
        $message = t('List of URLs is cleared');
    }
    drupal_set_message($message);
}

 /**
  * Implements AcsfEventHandler::handle().
  */
 public function handle()
 {
     drush_print(dt('Entered @class', array('@class' => get_class($this))));
     if (!$this->isComplete()) {
         $site = acsf_get_acsf_site();
         $site->clean();
         variable_del('acsf_duplication_scrub_status');
         variable_set('site_name', $this->event->context['site_name']);
         variable_set('install_time', time());
         // As a preparatory step, remove any corrupt file entries that may prevent
         // duplication from succeeding. Specifically, remove any file with an
         // empty URI string.
         db_delete('file_managed')->condition('uri', '')->execute();
         $this->setComplete();
     }
 }

function brafton_admin_form_submit($form, &$form_state)
{
    //reset the error report
    if ($form_state['values']['brafton_clear_report']) {
        variable_set('brafton_e_log', '');
        //variable_set('brafton_clear_report', 0);
    }
    //runs importer if archive is loaded
    //Handles background image for videos
    if ($form_state['values']['brafton_video_end_cta_background'] != '') {
        $file = file_load($form_state['values']['brafton_video_end_cta_background']);
        // Change status to permanent.
        $file->status = FILE_STATUS_PERMANENT;
        // Save.
        $newfile = file_save($file);
        $name = basename('brafton.module', '.module');
        file_usage_add($newfile, $name, $name, $newfile->fid);
        variable_set('brafton_video_end_cta_background_url', $newfile->uri);
        variable_set('brafton_video_end_cta_background_id', $newfile->fid);
    } else {
        if (!$form_state['values']['brafton_video_end_cta_background']['fid']) {
            variable_set('brafton_video_end_cta_background_url', '');
            variable_del('brafton_video_end_cta_background_id');
        }
    }
    //Handles Button Image for videos
    if ($form_state['values']['brafton_video_end_cta_button_image'] != '') {
        $file = file_load($form_state['values']['brafton_video_end_cta_button_image']);
        // Change status to permanent.
        $file->status = FILE_STATUS_PERMANENT;
        // Save.
        $newfile = file_save($file);
        $name = basename('brafton.module', '.module');
        file_usage_add($newfile, $name, $name, $newfile->fid);
        variable_set('brafton_video_end_cta_button_image_url', $newfile->uri);
        variable_set('brafton_video_end_cta_button_image_id', $newfile->fid);
    } else {
        if (!$form_state['values']['brafton_video_end_cta_button_image']['fid']) {
            variable_set('brafton_video_end_cta_button_image_url', '');
            variable_del('brafton_video_end_cta_button_image_id');
        }
    }
    //Ensure that the run manual imports
    $form_state['values']['brafton_clear_report'] = 0;
}

function tac_admin_submit($form, &$form_state)
{
    db_delete('tac_map')->execute();
    $vocabulary = $form_state['values']['vocabulary'];
    if ($vocabulary > 0 && $vocabulary != variable_get('tac_vocabulary')) {
        variable_set('tac_vocabulary', $vocabulary);
        node_access_needs_rebuild(TRUE);
        return;
    } elseif ($vocabulary <= 0) {
        variable_del('tac_vocabulary');
        node_access_needs_rebuild(TRUE);
        return;
    }
    $insert = db_insert('tac_map')->fields(array('rid', 'tid', 'grant_list', 'grant_create', 'grant_update', 'grant_delete'));
    foreach ($form_state['values']['edit'] as $rid => $terms) {
        foreach ($terms as $tid => $grants) {
            $insert->values(array($rid, $tid, $grants['list'], $grants['create'], $grants['update'], $grants['delete']));
        }
    }
    $insert->execute();
}

 /**
  * Implements AcsfEventHandler::handle().
  */
 public function handle()
 {
     drush_print(dt('Entered @class', array('@class' => get_class($this))));
     $options = $this->event->context['scrub_options'];
     variable_del('cron_last');
     variable_del('cron_semaphore');
     variable_del('node_cron_last');
     variable_del('drupal_private_key');
     variable_set('cron_key', drupal_hash_base64(drupal_random_bytes(55)));
     // Ensure Drupal filesystem related configuration variables are correct for
     // the new site. Consider the following variables:
     // - file_directory_path
     // - file_directory_temp
     // - file_private_path
     // - file_temporary_path
     // Given the AH environment for Gardens, we want to leave the temp paths
     // alone, and we want to delete the other variables, to ensure they reset to
     // their defaults (because of scarecrow, these shouldn't exist in the
     // variable table anyway).
     $file_path_variables = array('file_directory_path', 'file_private_path');
     foreach ($file_path_variables as $variable) {
         variable_del($variable);
     }
 }