public static function getUsedMemory($initMemory, $method)
{
$finalMemory = memory_get_usage();
$size = $finalMemory - $initMemory;
$peakUsage = memory_get_peak_usage();
$peakSize = $peakUsage - $initMemory;
echo "<br />\n";
echo $method . ' memory used: ' . BFW_Func::convertMemorySize($size) . "<br />\n";
echo $method . ' peak memory used: ' . BFW_Func::convertMemorySize($peakSize) . "<br />\n";
echo "<br />\n";
}
