PHP delete_transient函数代码示例

 protected function __construct()
 {
     if (false !== get_transient('_my-wp-backup-activated')) {
         delete_transient('_my-wp-backup-activated');
         wp_redirect(Admin::get_page_url(''));
     }
     self::$info = get_file_data(__FILE__, array('name' => 'Plugin Name', 'pluginUri' => 'Plugin URI', 'supportUri' => 'Support URI', 'version' => 'Version', 'description' => 'Description', 'author' => 'Author', 'authorUri' => 'Author URI', 'textDomain' => 'Text Domain', 'domainPath' => 'Domain Path', 'slug' => 'Slug', 'license' => 'License', 'licenseUri' => 'License URI'));
     Admin::get_instance();
     $options = get_site_option('my-wp-backup-options', Admin::$options);
     self::$info['baseDir'] = plugin_dir_path(__FILE__);
     self::$info['baseDirUrl'] = plugin_dir_url(__FILE__);
     self::$info['backup_dir'] = trailingslashit(ABSPATH) . trailingslashit(ltrim($options['backup_dir'], '/'));
     self::$info['root_dir'] = trailingslashit(ABSPATH);
     if (defined('WP_CLI') && WP_CLI) {
         \WP_CLI::add_command('job', new Cli\Job());
         \WP_CLI::add_command('backup', new Cli\Backup());
     }
     add_action('wp_backup_run_job', array(Job::get_instance(), 'cron_run'));
     add_action('wp_backup_restore_backup', array(Backup::get_instance(), 'cron_run'));
     $version = get_site_option(self::KEY_VERSION);
     if (!$version || self::$info['version'] !== $version) {
         if ($this->update_options()) {
             update_site_option(self::KEY_VERSION, self::$info['version']);
         }
     }
 }

 function __construct()
 {
     $this->username = $this->get_license() ? base64_decode(file_get_contents($this->get_license())) : NULL;
     if (isset($_GET['updated']) && $_GET['updated'] === 'retry_auth') {
         delete_transient('security_api_result');
     }
 }

function wc_crm_delete_group_transient()
{
    $transient = array('wc_crm_static_group_taxonomies', 'wc_crm_group_taxonomies', 'wc_crm_dynamic_group_taxonomies');
    foreach ($transient as $name) {
        delete_transient($name);
    }
}

 public function w3tc_ajax_extension_cloudflare_zones_done()
 {
     $email = $_REQUEST['email'];
     $key = $_REQUEST['key'];
     $zone_id = Util_Request::get('zone_id');
     if (empty($zone_id)) {
         return $this->_render_extension_cloudflare_zones(array('email' => $email, 'key' => $key, 'error_message' => 'Please select zone'));
     }
     $zone_name = '';
     // get zone name
     try {
         $api = new Extension_CloudFlare_Api(array('email' => $email, 'key' => $key));
         $zone = $api->zone($zone_id);
         $zone_name = $zone['name'];
     } catch (\Exception $ex) {
         $details['error_message'] = 'Can\'t authenticate: ' . $ex->getMessage();
         include W3TC_DIR . '/Extension_CloudFlare_Popup_View_Intro.php';
         exit;
     }
     $c = Dispatcher::config();
     $c->set(array('cloudflare', 'email'), $email);
     $c->set(array('cloudflare', 'key'), $key);
     $c->set(array('cloudflare', 'zone_id'), $zone_id);
     $c->set(array('cloudflare', 'zone_name'), $zone_name);
     $c->save();
     delete_transient('w3tc_cloudflare_stats');
     $postfix = Util_Admin::custom_message_id(array(), array('extension_cloudflare_configuration_saved' => 'CloudFlare credentials are saved successfully'));
     echo 'Location admin.php?page=w3tc_extensions&extension=cloudflare&' . 'action=view&' . $postfix;
     exit;
 }

 /**
  * @param W3_Config $config
  * @param W3_Config $old_config
  */
 function possible_state_change($config, $old_config)
 {
     if ($old_config->get_string('plugin.license_key') != '' && $config->get_string('plugin.license_key') == '') {
         $result = edd_w3edge_w3tc_deactivate_license($old_config->get_string('plugin.license_key'));
         if ($result) {
             $this->site_inactivated = true;
         }
         delete_transient('w3tc_license_status');
     } else {
         if ($old_config->get_string('plugin.license_key') == '' && $config->get_string('plugin.license_key') != '') {
             $result = edd_w3edge_w3tc_activate_license($config->get_string('plugin.license_key'));
             if ($result) {
                 $this->site_activated = true;
             }
             delete_transient('w3tc_license_status');
         } else {
             if ($old_config->get_string('plugin.license_key') != $config->get_string('plugin.license_key')) {
                 $result = edd_w3edge_w3tc_activate_license($config->get_string('plugin.license_key'));
                 if ($result) {
                     $this->site_activated = true;
                 }
                 delete_transient('w3tc_license_status');
             }
         }
     }
 }

 private static function apiRequest($act, $post_data = null, $use_ssl = true)
 {
     global $wp_version;
     $site = rawurlencode(base64_encode(get_option('siteurl')));
     $url = "http" . ($use_ssl ? "s://ssl-account.com" : ":/") . "/interface.fabi.me/wpfilebase-pro/{$act}.php";
     $get_args = array('version' => WPFB_VERSION, 'pl_slug' => 'wp-filebase', 'pl_ver' => WPFB_VERSION, 'wp_ver' => $wp_version, 'site' => $site);
     // try to get from cache
     $cache_key = 'wpfb_apireq_' . md5($act . '||' . serialize($get_args) . '||' . serialize($post_data) . '||' . __FILE__);
     if (isset($_REQUEST['no_api_cache'])) {
         delete_transient($cache_key);
     }
     $res = get_transient($cache_key);
     if ($res !== false) {
         return $res;
     }
     //trigger_error ( "WP-Filebase apiRequest (ssl=$use_ssl): $act ".json_encode($post_data), E_USER_NOTICE );
     if (empty($post_data)) {
         $res = wp_remote_get($url, $get_args);
     } else {
         $res = wp_remote_post(add_query_arg($get_args, $url), array('body' => $post_data));
     }
     if (is_wp_error($res)) {
         if ($use_ssl) {
             // retry without ssl
             return self::apiRequest($act, $post_data, false);
         }
         echo "<b>WP-Filebase API request error:</b>";
         print_r($res);
         return false;
     }
     $res = empty($res['body']) ? false : json_decode($res['body']);
     set_transient($cache_key, $res, 0 + 6 * HOUR_IN_SECONDS);
     return $res;
 }

 /**
  * Empty the Lists cache
  */
 public function empty_cache()
 {
     delete_transient($this->transient_name);
     delete_transient($this->transient_name . '_fallback');
     delete_transient('mc4wp_list_counts');
     delete_transient('mc4wp_list_counts_fallback');
 }

/**
 * Disables the product price cache. This function looks for the cache key
 * that is about to be retrieved by WooCommerce, and deletes the cached data
 * associated to it.
 *
 * IMPORTANT
 * This function can have an impact on WooCommerce's performance, and it
 * should not be used unless necessary.
 * 
 * @param array cache_key_args The arguments that form the cache key.
 * @param WC_Product product The product for which the key is being generated.
 * @param bool display Indicates if the prices are being retrieved for display
 * purposes.
 * @return array
 * @since WooCommerce 2.4
 * @author Aelia <support@aelia.co>
 * @link http://aelia.co/2015/08/11/wc-2-4-workaround-for-price-cache
 */
function disable_variation_prices_cache($cache_key_args, $product, $display)
{
    // Delete the cached data, if it exists
    $cache_key = 'wc_var_prices' . md5(json_encode($cache_key_args));
    delete_transient($cache_key);
    return $cache_key_args;
}

function wps_requirements_check($force_check = false)
{
    $check_okay = get_transient('wps_requirements_check');
    if (empty($force_check) && false !== $check_okay) {
        return $check_okay;
    }
    $deactivate_reason = false;
    if (!function_exists('aihr_check_aihrus_framework')) {
        $deactivate_reason = esc_html__('Missing Aihrus Framework');
        add_action('admin_notices', 'wps_notice_aihrus');
    } elseif (!aihr_check_aihrus_framework(WPS_BASE, WPS_NAME, WPS_AIHR_VERSION)) {
        $deactivate_reason = esc_html__('Old Aihrus Framework version detected');
    }
    if (!aihr_check_php(WPS_BASE, WPS_NAME)) {
        $deactivate_reason = esc_html__('Old PHP version detected');
    }
    if (!aihr_check_wp(WPS_BASE, WPS_NAME)) {
        $deactivate_reason = esc_html__('Old WordPress version detected');
    }
    if (!empty($deactivate_reason)) {
        aihr_deactivate_plugin(WPS_BASE, WPS_NAME, $deactivate_reason);
    }
    $check_okay = empty($deactivate_reason);
    if ($check_okay) {
        delete_transient('wps_requirements_check');
        set_transient('wps_requirements_check', $check_okay, HOUR_IN_SECONDS);
    }
    return $check_okay;
}

 public function erase_transient_data()
 {
     delete_transient(self::CATALOG_SITE_TYPES);
     delete_transient(self::CATALOG_THEMES);
     delete_transient(self::CATALOG_PLUGINS);
     delete_transient(self::TRANSIENT_CHECK_FLAG);
 }

 function delete_cache_transition($new_status, $old_status, $post)
 {
     global $wpdb;
     $cache_duration = vibe_get_option('cache_duration');
     if (!isset($cache_duration)) {
         $cache_duration = 0;
     }
     if ($cache_duration) {
         $key = 'kposts_' . $post->post_type;
         $instructor_content_privacy = vibe_get_option('instructor_content_privacy');
         if ($instructor_content_privacy) {
             $user_id = get_current_user_id();
             $key .= '_' . $user_id;
         }
         $linkage = vibe_get_option('linkage');
         if (isset($linkage) && $linkage) {
             $linkage_terms = get_the_terms($post_id, 'linkage');
             if (isset($linkage_terms) && is_array($linkage_terms)) {
                 foreach ($linkage_terms as $term) {
                     $key .= '_' . $term->name;
                 }
             }
         }
         delete_transient($key);
         if ($post->post_type == 'course') {
             global $wpdb;
             $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE '%wplms_%_course%'");
         }
     }
 }

        /**
         * Admin notices
         */
        function admin_notices()
        {
            if ('removed_ht_kb_data' == get_transient('_removed_ht_kb_data')) {
                delete_transient('_removed_ht_kb_data');
                ?>
                    <div class="updated">
                        <p><?php 
                _e('Knowldge Base Data Removed', 'ht-knowledge-base');
                ?>
</p>
                    </div>
                <?php 
            }
            if ('install_sample_ht_kb_data' == get_transient('_install_sample_ht_kb_data')) {
                delete_transient('_install_sample_ht_kb_data');
                ?>
                    <div class="updated">
                        <p><?php 
                _e('Knowldge Base Sample Data Added', 'ht-knowledge-base');
                ?>
</p>
                    </div>
                <?php 
            }
        }

function wp_dlm_clear_cached_stuff()
{
    delete_transient('dlm_categories');
    delete_transient('dlm_tags');
    delete_transient('dlm_used_tags');
    wp_cache_flush();
}

 static function uninstall()
 {
     global $wpdb;
     if (is_multisite()) {
         // Cleanup Network install
         foreach (wp_get_sites(array('limit' => apply_filters('gadwp_sites_limit', 100))) as $blog) {
             switch_to_blog($blog['blog_id']);
             $sqlquery = $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE '_transient_gadash%%'");
             $sqlquery = $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE '_transient_timeout_gadash%%'");
             $sqlquery = $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE '_transient_ga_dash%%'");
             $sqlquery = $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE '_transient_timeout_ga_dash%%'");
             delete_option('gadash_options');
             delete_transient('ga_dash_lasterror');
             delete_transient('ga_dash_refresh_token');
             delete_transient('ga_dash_gapi_errors');
             restore_current_blog();
         }
         delete_site_option('gadash_network_options');
         delete_site_transient('ga_dash_refresh_token');
     } else {
         // Cleanup Single install
         $sqlquery = $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE '_transient_gadash%%'");
         $sqlquery = $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE '_transient_timeout_gadash%%'");
         $sqlquery = $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE '_transient_ga_dash%%'");
         $sqlquery = $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE '_transient_timeout_ga_dash%%'");
         delete_option('gadash_options');
         delete_transient('ga_dash_lasterror');
         delete_transient('ga_dash_refresh_token');
         delete_transient('ga_dash_gapi_errors');
     }
 }

function bqw_sliderpro_delete_all_data()
{
    global $wpdb;
    $prefix = $wpdb->prefix;
    $sliders_table = $prefix . 'slider_pro_sliders';
    $slides_table = $prefix . 'slider_pro_slides';
    $layers_table = $prefix . 'slider_pro_layers';
    $wpdb->query("DROP TABLE {$sliders_table}, {$slides_table}, {$layers_table}");
    delete_option('sliderpro_custom_css');
    delete_option('sliderpro_custom_js');
    delete_option('sliderpro_is_custom_css');
    delete_option('sliderpro_is_custom_js');
    delete_option('sliderpro_load_stylesheets');
    delete_option('sliderpro_load_custom_css_js');
    delete_option('sliderpro_load_unminified_scripts');
    delete_option('sliderpro_purchase_code');
    delete_option('sliderpro_purchase_code_message');
    delete_option('sliderpro_purchase_code_status');
    delete_option('sliderpro_hide_inline_info');
    delete_option('sliderpro_hide_getting_started_info');
    delete_option('sliderpro_access');
    delete_option('sliderpro_version');
    delete_transient('sliderpro_post_names');
    delete_transient('sliderpro_posts_data');
    delete_transient('sliderpro_update_notification_message');
    $wpdb->query("DELETE FROM " . $prefix . "options WHERE option_name LIKE '%sliderpro_cache%'");
}