93 lines
2.6 KiB
PHP
93 lines
2.6 KiB
PHP
<?php
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/**
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* Shutdown module.
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*
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* This file is part of MadelineProto.
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* MadelineProto is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
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* MadelineProto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Affero General Public License for more details.
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* You should have received a copy of the GNU General Public License along with MadelineProto.
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* If not, see <http://www.gnu.org/licenses/>.
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*
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* @author Daniil Gentili <daniil@daniil.it>
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* @copyright 2016-2020 Daniil Gentili <daniil@daniil.it>
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* @license https://opensource.org/licenses/AGPL-3.0 AGPLv3
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*
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* @link https://docs.madelineproto.xyz MadelineProto documentation
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*/
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namespace danog\MadelineProto;
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/**
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* Class that controls script shutdown.
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*/
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class Shutdown
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{
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/**
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* Callbacks to call on shutdown.
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*
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* @var array<callable>
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*/
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private static $callbacks = [];
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/**
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* Whether the main shutdown was registered.
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*
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* @var boolean
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*/
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private static $registered = false;
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/**
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* Incremental ID for new callback.
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*
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* @var integer
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*/
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private static $id = 0;
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/**
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* Function to be called on shutdown.
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*
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* @return void
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*/
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public static function shutdown()
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{
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foreach (self::$callbacks as $callback) {
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$callback();
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}
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Magic::shutdown(0);
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}
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/**
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* Add a callback for script shutdown.
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*
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* @param callable $callback The callback to set
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* @param null|string $id The optional callback ID
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*
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* @return int|string The callback ID
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*/
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public static function addCallback($callback, $id = null)
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{
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if (!$id) {
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$id = self::$id++;
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}
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self::$callbacks[$id] = $callback;
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if (!self::$registered) {
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\register_shutdown_function([__CLASS__, 'shutdown']);
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self::$registered = true;
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}
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return $id;
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}
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/**
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* Remove a callback from the script shutdown callable list.
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*
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* @param null|string|int $id The optional callback ID
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*
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* @return bool true if the callback was removed correctly, false otherwise
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*/
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public static function removeCallback($id)
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{
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if (isset(self::$callbacks[$id])) {
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unset(self::$callbacks[$id]);
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return true;
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}
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return false;
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}
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}
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