55 lines
1.3 KiB
PHP
55 lines
1.3 KiB
PHP
<?php declare(strict_types=1);
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/**
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* Hummingbird Anime List Client
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*
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* An API client for Kitsu to manage anime and manga watch lists
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*
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* PHP version 7.4
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*
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* @package HummingbirdAnimeClient
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* @author Timothy J. Warren <tim@timshomepage.net>
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* @copyright 2015 - 2020 Timothy J. Warren
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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* @version 5.1
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* @link https://git.timshomepage.net/timw4mail/HummingBirdAnimeClient
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*/
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namespace Aviat\Ion;
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/**
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* A basic event handler
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*/
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class Event {
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private static array $eventMap = [];
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/**
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* Subscribe to an event
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*
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* @param string $eventName
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* @param callable $handler
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*/
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public static function on(string $eventName, callable $handler): void
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{
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if ( ! array_key_exists($eventName, static::$eventMap))
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{
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static::$eventMap[$eventName] = [];
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}
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static::$eventMap[$eventName][] = $handler;
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}
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/**
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* Fire off an event
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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 static function emit(string $eventName, array $args = []): void
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{
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// Call each subscriber with the provided arguments
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if (array_key_exists($eventName, static::$eventMap))
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{
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array_walk(static::$eventMap[$eventName], static fn ($fn) => $fn(...$args));
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}
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}
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} |