<?php

// composer require devster/ubench
require_once __DIR__ . '/vendor/autoload.php';

$bench = new Ubench;
$bench->start();

$idsArray = [];

for ($i = 0; $i < 7000; $i++) {
    $idsArray[] = [ 0, 1, 2, 3, 4, 5 ];
}

count(call_user_func_array('array_merge', $idsArray));

$bench->end();

echo 'Time     :' . $bench->getTime() . "\n";
echo 'Memory   :' . $bench->getMemoryUsage() . "\n";
echo 'Mem. Peak:' . $bench->getMemoryPeak() . "\n";