WebComplete\core\utils\traits\TraitObservable

Complexity

Total Complexity

7

Size/Duplication

Total Lines	50
Duplicated Lines	0 %

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	setListeners()	0	3	1
A	on()	0	9	2
A	getListeners()	0	3	1
A	trigger()	0	6	3

<?php

namespace WebComplete\core\utils\traits;

trait TraitObservable
{

    private $listeners = [];

    /**
     * @param string $eventName
     * @param array $eventData
     */
    public function trigger(string $eventName, array $eventData)
    {
        if ($this->listeners) {

The expression $this->listeners of type array is implicitly converted to a boolean; are you sure this is intended? If so, consider using ! empty($expr) instead to make it clear that you intend to check for an array without elements.

            $listeners = $this->listeners[$eventName] ?? [];
            foreach ($listeners as $listener) {
                \call_user_func($listener[1], $eventData);
            }
        }
    }

    /**
     * @param string $eventName
     * @param callable $callable
     * @param int $priority
     */
    public function on(string $eventName, callable $callable, int $priority = 100)
    {
        if (!isset($this->listeners[$eventName])) {
            $this->listeners[$eventName] = [];
        }

        $this->listeners[$eventName][] = [$priority, $callable];
        \uasort($this->listeners[$eventName], function ($event1, $event2) {
            return $event1[0] <=> $event2[0];
        });
    }

    /**
     * @return array
     */
    public function getListeners(): array
    {
        return $this->listeners;
    }

    /**
     * @param array $listeners
     */
    public function setListeners(array $listeners)
    {
        $this->listeners = $listeners;
    }
}