polyfony-inc/polyfony

<?php

namespace Polyfony;
 
class Events {

    private static array $tasks = [
        'onTerminate'                =>[],
//        'beforeRender'                =>[], // might be implemented later on
//        'afterRender'                =>[], // might be implemented later on
//        'beforeQuery'                =>[], // might be implemented later on
//        'afterQuery'                =>[], // might be implemented later on
//        'beforeRouting'                =>[], // might be implemented later on
//        'afterRouting'                =>[], // might be implemented later on
//        'exceptionThrown'            =>[], // might be implemented later on
//        'successfullLogin'            =>[], // might be implemented later on
//        'failedLogin'                =>[], // might be implemented later on
//        'successfulAuthentication'    =>[], // might be implemented later on
    ];

    // register a task to a specific event
    public static function register(
        string $event_to_watch_for,
        \Closure $task, 
        array $arguments = []
    ) :void {

        // push the event in the pool
        self::$tasks[$event_to_watch_for][] = [
            'closure'    => $task, 
            'arguments'    => $arguments
        ];

    }

    // trigger all task related to a specific event
    public static function trigger(
        string $event_name
    ) :void {

        if(
            isset(self::$tasks[$event_name]) && 
            is_array(self::$tasks[$event_name])
        ) {
            // for each tasks triggered by this event
            foreach(self::$tasks[$event_name] as $tasks) {
                // run the tasks
                call_user_func_array(
                    $tasks['closure'],
                    $tasks['arguments']
                );
            }
        }
    
    }

}

?>