<?php
class Event {
private $eventName;
function __construct($eventName){
$this->eventName = $eventName;
}
public function name() {
return $this->eventName;
}
}
class QueueManager {
private $registeredHandlers = array();
public function addEventListener($eventName, $handler) {
if (!isset($this->registeredHandlers[$eventName]) || !is_array($this->registeredHandlers[$eventName])) $this->registeredHandlers[$eventName] = array();
$this->registeredHandlers[$eventName][] = $handler;
}
public function dispatch($event, &...$args) {
$eventName = $event->name();
if (!$this->registeredHandlers[$eventName]) return;
foreach ($this->registeredHandlers[$eventName] as $handler) call_user_func_array($handler, $args);
}
}
$qm = new QueueManager();
$qm->addEventListener('click', function(){echo 'ok1';}); //something like this working
$qm->addEventListener('click', function(){echo 'ok2';});
$qm->addEventListener('adding', function(&$x){$x = 5;}); //something like this not working
$qm->addEventListener('adding', function(&$x){$x++;});
$qm->addEventListener('adding', function($x){echo $x;});
$clickEvent = new Event('click');
$qm->dispatch($clickEvent);
$addingEvent = new Event('adding');
$value;
$qm->dispatch($addingEvent, $value);
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
ok1ok26
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '.', expecting variable (T_VARIABLE) in /in/Ud0NT on line 18
Process exited with code 255.