<?php
function microtime_float() {
return preg_replace("/^0?(\S+) (\S+)$/X", "$2$1", microtime());
}
$kalibre_basla = microtime_float();
$kalibre_bit = microtime_float();
$kalibre_fark = $kalibre_bit - $kalibre_basla;
$kod_basla = microtime_float();
...
...
$kod_bitir = microtime_float();
$gercek_zaman = ($kod_bitir - $kod_basla) - $kalibre_fark;
?>