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<?php |
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/** |
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* This file is part of mundschenk-at/wp-data-storage. |
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* |
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* Copyright 2018 Peter Putzer. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or ( at your option ) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* |
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* @package mundschenk-at/wp-data-storage/tests |
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* @license http://www.gnu.org/licenses/gpl-2.0.html |
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*/ |
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namespace Mundschenk\Data_Storage; |
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/** |
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* Implements an interface to the WordPress Site Transients API. |
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* |
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* @since 1.0.0 |
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* |
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* @author Peter Putzer <[email protected]> |
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*/ |
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class Site_Transients extends Transients { |
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const TRANSIENT_SQL_PREFIX = '_site_transient_'; |
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/** |
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* Retrieves a list of transients set by the plugin from the options table. |
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* |
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* @return string[] |
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*/ |
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public function get_keys_from_database() { |
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// If we are not running on multisite, fall back to the parent implementation. |
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if ( ! is_multisite() ) { |
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return parent::get_keys_from_database(); |
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} |
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/** |
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* WordPress database handler. |
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* |
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* @var \wpdb |
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*/ |
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global $wpdb; |
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$results = $wpdb->get_results( |
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$wpdb->prepare( |
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"SELECT meta_key FROM {$wpdb->sitemeta} WHERE meta_key like %s and site_id = %d", |
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self::TRANSIENT_SQL_PREFIX . "{$this->get_prefix()}%", |
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\get_current_network_id() |
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), |
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ARRAY_A |
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); // WPCS: db call ok, cache ok. |
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return \str_replace( self::TRANSIENT_SQL_PREFIX, '', \wp_list_pluck( $results, 'meta_key' ) ); |
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} |
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/** |
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* Retrieves a cached value. |
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* |
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* @param string $key The cache key. |
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* @param bool $raw Optional. Use the raw key name (i.e. don't call get_key). Default false. |
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* |
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* @return mixed |
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*/ |
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public function get( $key, $raw = false ) { |
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return \get_site_transient( $raw ? $key : $this->get_key( $key ) ); |
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} |
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/** |
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* Sets an entry in the cache and stores the key. |
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* |
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* @param string $key The cache key. |
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* @param mixed $value The value to store. |
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* @param int $duration Optional. The duration in seconds. Default 0 (no expiration). |
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* @param bool $raw Optional. Use the raw key name (i.e. don't call get_key). Default false. |
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* |
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* @return bool True if the cache could be set successfully. |
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*/ |
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public function set( $key, $value, $duration = 0, $raw = false ) { |
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return \set_site_transient( $raw ? $key : $this->get_key( $key ), $value, $duration ); |
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} |
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/** |
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* Deletes an entry from the cache. |
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* |
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* @param string $key The cache key root. |
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* @param bool $raw Optional. Use the raw key name (i.e. don't call get_key). Default false. |
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* |
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* @return bool True on successful removal, false on failure. |
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*/ |
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public function delete( $key, $raw = false ) { |
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return \delete_site_transient( $raw ? $key : $this->get_key( $key ) ); |
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} |
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} |
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mundschenk-at /
wp-data-storage
