[PHP] log peak ram usage

 //memory usage ===============================================

function formatBytes($bytes, $precision = 2) {

$units = array("b", "kb", "mb", "gb", "tb");

$bytes = max($bytes, 0);

$pow = floor(($bytes ? log($bytes) : 0) / log(1024));

$pow = min($pow, count($units) - 1);

$bytes /= (1 << (10 * $pow));

return round($bytes, $precision) . " " . $units[$pow];

}

$consolelog = fopen('php://stdout', 'w');

fwrite($consolelog, formatBytes(memory_get_peak_usage()));

fclose($consolelog);