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<?php |
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/** |
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* |
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* This file is part of Phpfastcache. |
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* |
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* @license MIT License (MIT) |
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* |
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* For full copyright and license information, please see the docs/CREDITS.txt and LICENCE files. |
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* |
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* @author Georges.L (Geolim4) <[email protected]> |
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* @author Contributors https://github.com/PHPSocialNetwork/phpfastcache/graphs/contributors |
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*/ |
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declare(strict_types=1); |
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namespace Phpfastcache; |
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use BadMethodCallException; |
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use Phpfastcache\Event\EventManagerInterface; |
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use Phpfastcache\Exceptions\PhpfastcacheEventManagerException; |
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use Phpfastcache\Exceptions\PhpfastcacheInvalidArgumentException; |
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class EventManager implements EventManagerInterface |
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{ |
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public const ON_EVERY_EVENT = '__every'; |
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protected static self $instance; |
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protected array $events = [ |
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self::ON_EVERY_EVENT => [] |
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]; |
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/** |
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* EventManager constructor. |
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*/ |
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final protected function __construct() |
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{ |
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// The constructor should not be instantiated externally |
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} |
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/** |
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* @return static |
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*/ |
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public static function getInstance(): static |
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{ |
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return (self::$instance ?? self::$instance = new static()); |
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} |
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/** |
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* @param string $eventName |
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* @param array $args |
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*/ |
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public function dispatch(string $eventName, ...$args): void |
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{ |
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/** |
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* Replace array_key_exists by isset |
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* due to performance issue on huge |
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* loop dispatching operations |
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*/ |
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if (isset($this->events[$eventName]) && $eventName !== self::ON_EVERY_EVENT) { |
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$loopArgs = array_merge($args, [$eventName]); |
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foreach ($this->events[$eventName] as $event) { |
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$event(... $loopArgs); |
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} |
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} |
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foreach ($this->events[self::ON_EVERY_EVENT] as $event) { |
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$event($eventName, ...$args); |
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} |
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} |
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/** |
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* @param string $name |
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* @param array $arguments |
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* @throws PhpfastcacheInvalidArgumentException |
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* @throws PhpfastcacheEventManagerException |
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*/ |
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public function __call(string $name, array $arguments): void |
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{ |
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if (str_starts_with($name, 'on')) { |
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$name = \substr($name, 2); |
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if (\is_callable($arguments[0])) { |
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if (isset($arguments[1]) && \is_string($arguments[0])) { |
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$this->events[$name][$arguments[1]] = $arguments[0]; |
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} else { |
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$this->events[$name][] = $arguments[0]; |
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} |
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} else { |
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throw new PhpfastcacheInvalidArgumentException(\sprintf('Expected Callable, got "%s"', \gettype($arguments[0]))); |
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} |
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} else { |
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throw new PhpfastcacheEventManagerException('An event must start with "on" such as "onCacheGetItem"'); |
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} |
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} |
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/** |
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* @param callable $callback |
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* @param string $callbackName |
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*/ |
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public function onEveryEvents(callable $callback, string $callbackName): void |
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{ |
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$this->events[self::ON_EVERY_EVENT][$callbackName] = $callback; |
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} |
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/** |
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* @throws PhpfastcacheEventManagerException |
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*/ |
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public function on(array $events, callable $callback): void |
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{ |
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foreach ($events as $event) { |
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if (!\preg_match('#^([a-zA-z])*$#', $event)) { |
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throw new PhpfastcacheEventManagerException(\sprintf('Invalid event name "%s"', $event)); |
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} |
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$this->{'on' . \ucfirst($event)}($callback); |
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} |
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} |
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/** |
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* @param string $eventName |
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* @param string $callbackName |
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* @return bool |
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*/ |
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public function unbindEventCallback(string $eventName, string $callbackName): bool |
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{ |
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$return = isset($this->events[$eventName][$callbackName]); |
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unset($this->events[$eventName][$callbackName]); |
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return $return; |
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} |
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/** |
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* @return bool |
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*/ |
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public function unbindAllEventCallbacks(): bool |
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{ |
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$this->events = [ |
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self::ON_EVERY_EVENT => [] |
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]; |
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return true; |
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} |
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} |
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PHPSocialNetwork /
phpfastcache
