require_once 'vendor/autoload.php';

$bench = new Bench;

$bench->start();

// Execute some code

$bench->end();

// Get elapsed time and memory.
echo $bench->getTime(); // 156ms or 1.123s
echo $bench->getTime(true); // elapsed microtime in float
echo $bench->getTime(false, '%d%s'); // 156ms or 1s

echo $bench->getMemoryPeak(); // 152B or 90.00Kb or 15.23Mb
echo $bench->getMemoryPeak(true); // memory peak in bytes
echo $bench->getMemoryPeak(false, '%.3f%s'); // 152B or 90.152Kb or 15.234Mb

// Returns the memory usage at the end mark.
echo $bench->getMemoryUsage(); // 152B or 90.00Kb or 15.23Mb

// Runs `Bench::start()` and `Bench::end()` around a callable.
// Accepts a callable as the first parameter.  Any additional parameters will be passed to the callable.
$result = $bench->run(function (int $x): int {
    return $x;
}, 1);
echo $bench->getTime();