PHP code example of sugiphp / events

1. Go to this page and download the library: Download sugiphp/events library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

sugiphp / events example snippets


// create a dispatcher
$dispatcher = new Dispatcher();
// register one or more listeners for one or more events
$dispatcher->addListener("user.login", function ($event) {
    // this function will be executed when an event with name "user.login" is fired
});

// fires an event
$dispatcher->dispatch(new Event("user.login"));


$dispatcher->addListener("user.login", function ($event) {
    // get one property
    echo $event->getParam("id"); // 1
    // get a property as Array
    echo $event["username"]; // "demo"
    // fetch all data
    $event->getParams(); // array("id" => 1, "username" => "demo")
});
$event = new Event("user.login", array("id" => 1, "username" => "demo"));
$dispatcher->dispatch($event);


$dispatcher->addListener("user.login", function ($event) {
    if ("mike" == $event["username"]) {
        // array access
        $event["is_admin"] = true;
    } else {
        // using setParam() method
        $event->setParam("is_admin", false);
    }
});

$dispatcher->addListener("user.login", function ($event) {
    if ($event["is_admin"]) {
        echo "Hello Admin";
    }
});

$event = new Event("user.login", array("username" => "mike"));
$dispatcher->dispatch($event);