Benchmark script for the medoo isAlive() function

test.php

<?php
# wait_timeout & interactive_timeout is set to 3 secs each

include("medoo.php");

$db = new medoo([
	'database_type' => 'mysql',
	'database_name' => 'mysql',
	'server' => '127.0.0.1',
	'username' => 'root',
	'password' => '',
	'charset' => 'utf8'
]);

// returns ms
function benchmark($fn, $callcount = 10000)
{
	static $empty = null;

	// check time for empty run
	if($empty = null)
	{
		$empty = 0;
		$empty = benchmark(function() {});
	}

	$start = microtime(true);

	for($i = 0; $i < $callcount; $i++) $fn();

	return ((microtime(true) - $start)/$callcount - $empty) // get time divided by the callcount and substract the empty run time
		*1000; // s -> ms
}

echo "Testing time when connected ...\n", benchmark(function() use ($db) { $db->isAlive(); }), " ms ", $db->isAlive() ? "alive" : "dead", "\n";


// wait for the connection to timeout
echo "Connected, sleeping\n";
sleep(10);

// test the connection
echo "Testing time when disconnected ...\n", benchmark(function() use ($db) { $db->isAlive(); }), " ms ", $db->isAlive() ? "alive" : "dead", "\n";