PHP 8 vs Node JS Execution Speed (using built in sort)

phpvnode.php

<?php
$myArray = [];
$arraySize = 100000;
for ($i = 0; $i < $arraySize; $i++) {
    $myArray[$i] = mt_rand(1, 100);
}
$start = hrtime(true);
sort($myArray);
$end = hrtime(true);
$diff = ($end - $start) / 1000;
$phpVersion = phpversion();
echo "PHP ({$phpVersion}) execution time: {$diff} (ms)".PHP_EOL;
$jsCode = <<<EOT
  var myArray = [];
  for (var i = 0; i <$arraySize; i++) {
    myArray[i] = Math.random() * 100;
  }
  const startTime = process.hrtime.bigint();
  myArray.sort();
  const endTime = process.hrtime.bigint();
  const dur = endTime - startTime;
  process.stdout.write(dur.toString());
EOT;
$nodeVal = shell_exec("node -e '{$jsCode}'") / 1000;
$nodeVersion = shell_exec("node -v | tr -d '\n'");
$speedDiff = round($nodeVal / $diff, 2);
echo "NodeJS ({$nodeVersion}) execution time: {$nodeVal} (ms)".PHP_EOL;
echo "PHP is roughly {$speedDiff} times faster than JS in sorting an array of size ".number_format($arraySize).'!'.PHP_EOL;