Online PHP editor | rfc for sMGjG

@ 2014-08-21T20:43:44Z

<?php

    class BaseObserver {
        protected $events = array();
        public function register($callable, $event){
            if (!isset($this->events[$event])) {
                $this->events[$event] = array();
            }
            $this->events[$event][] = $callable;
        }
        public function notify($event, $params = array()) {
            if (isset($this->events[$event])) {
                foreach ($this->events[$event] AS $callable){
                    call_user_func_array($callable, $params);
                }
            }
        }
    }

    function print_meta($p1, $p2) {
        echo $p1 . ' ' . $p2;
    }

    function multiply_meta($p1, $p2) {
        echo $p1 * $p2;
    }

    function add_meta($p1, $p2) {
        echo $p1 + $p2;
    }

    $observer = new BaseObserver();
    $observer->register('print_meta', 'event1');
    $observer->register('multiply_meta', 'event1');
    $observer->register('print_meta', 'event2');
    $observer->register('add_meta', 'event2');
    $observer->register('multiply_meta', 'event3');
    $observer->register('add_meta', 'event3');

    $observer->notify('event1', array(1, 2));
    $observer->notify('event2', array(3, 4));
    $observer->notify('event3', array(5, 6));

Output for git.master, git.master_jit, rfc.property-hooks: 1 223 473011

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2020-03-21 RFC: Is_Literal - declined
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