Testing a static event emitter in Evenement

performance.php

<?php

require 'vendor/autoload.php';

define("LISTENERS", 100);
define("EVENTS", 100000);

printf("\n* Emitting %d events to %d listeners.\n\n", EVENTS, LISTENERS);

// --- Dynamic ---

$emitter = new Evenement\EventEmitter();
$start = microtime(true);
for ($i = 0; $i < LISTENERS ; $i++) {
    $emitter->on('event', function() {});
}

$duration = microtime(true) - $start;
echo sprintf("Dynamic adding: %d\n", round($duration, 4));

$start = microtime(true);
for ($i = 0; $i < EVENTS ; $i++) {
    $emitter->emit('event', []);
}

$duration = microtime(true) - $start;
echo "Dynamic emitting: ", round($duration, 4), "\n";

// --- Static ---

class Emitter {
    use Evenement\StaticEventEmitterTrait;
}

$start = microtime(true);
for ($i = 0; $i < LISTENERS ; $i++) {
    Emitter::on('event', function() {});
}

$duration = microtime(true) - $start;
echo "Static adding: ", round($duration, 4), "\n";

$start = microtime(true);
for ($i = 0; $i < EVENTS ; $i++) {
    Emitter::emit('event', []);
}

$duration = microtime(true) - $start;
echo "Static emitting: ", round($duration, 4), "\n";