function microtime_float ()
{
list ($msec, $sec) = explode(‘ ‘, microtime());
$microtime = (float)$msec + (float)$sec;
return $microtime;
}
$startdebug = microtime_float();

$end = microtime_float();

echo ‘Script Execution Time: ‘ . round($end – $startdebug, 3) . ‘ seconds’;