<?php
$time_start = getmicrotime();
$filename="logs3/".date("Y-m-d",mktime()).".log";
$scriptName=$_SERVER["SCRIPT_NAME"];
echo $scriptName;
function getmicrotime()
{
    list($usec, $sec) = explode(" ",microtime());
    return ((float)$usec + (float)$sec);
}
function logToFile($filename, $msg,$scriptName)
{
        $fd = fopen($filename, "a") or die ("Can't open file ".$filename);
        // append date/time to message
        $str = "[" . date("Y/m/d h:i:s", mktime()) . "] " ."   ".$scriptName."  ".$msg;

        // write string
        fwrite($fd, $str . "\n");

        // close file
        fclose($fd);
}
?>

<?php
$time_end = getmicrotime();
$msg=($time_end - $time_start)*1000;
logToFile($filename,$msg,$scriptName);

printf ("page render time: %.2fms\n\n",($time_end - $time_start)*1000);

?>

<?php
include("renderheader.php");
for ($i=1;$i<=10000;$i++)
{
echo "hello wade"."</br>";
}
include("renderfooter.php");
?>

[~/c_xml_so]# mkdir logs3
[~/c_xml_so]# vi logs3/2010-04-22.log

[2010/04/22 02:55:23]    renderbody.php  2663.10095787