Miscellaneous

Load Timer
Type:	application
Added by:	jlemmons
Entered:	11/08/2002
Last modified:	08/12/2001
Rating:	- (fewer than 3 votes)
Views:	4380
This code times the build and download of web pages without the need for PERL or JavaScript and has minimal code in this demo, but can be built into a full tilt tracking system.
.. loadtimer.php begins here ..

                            <?php
 # loadtimer.php by Jay@Lemmons.com Aug 2002

                            #

                            # This code is called from other pages (see loadtimerdemo.php) and will insert

                            # build and load time statistics onto the displayed page.

                            #

                            # ------------------------------------------------------------------------------

                            # Mark the current time

                            # ------------------------------------------------------------------------------
 $loadstoptime = getmicrotime();
 # ------------------------------------------------------------------------------

                            # Location of graphic

                            # ------------------------------------------------------------------------------
 $graphic_url = "/stopwatch_small.gif";
 # ------------------------------------------------------------------------------

                            # Retrieve the time rendering started and rendered

                            # ------------------------------------------------------------------------------
 getUserField("buildstarttime");
 getUserField("buildstoptime");

                            # ------------------------------------------------------------------------------

                            # Calulate the times and round em off

                            # ------------------------------------------------------------------------------
 $buildet = round(($buildstoptime - $buildstarttime),2);
 $loadet = round(($loadstoptime - $buildstoptime),2);
 $totalet = round(($loadstoptime - $buildstarttime),2);
 # ------------------------------------------------------------------------------

                            # Build a message and the html code to display it

                            # ------------------------------------------------------------------------------
 $message = "This page was built in $buildet seconds and downloaded in $loadet seconds, a total of $totalet seconds";

                            print "<table><tr><td width=100%>&nbsp;</td><td>";

                            print "<a onMouseOver="window.status='$message'; return true;" onMouseOut="window.status=''; return true">";

                            print "<img src="$graphic_url" width="12" height="16" border="0" alt="$message">";

                            print "</a></td></tr></table>";
 # ------------------------------------------------------------------------------

                            # Get variable from GET/POST/COOKIE data

                            # ------------------------------------------------------------------------------
 function getUserField($field_name, $default_value = "") {    

                              return(isset($_REQUEST[$field_name]) ? $_REQUEST[$field_name] : $default_value);

                            } # end getUserField();

                            # ------------------------------------------------------------------------------

                            # Get current microtime

                            # ------------------------------------------------------------------------------
 function getmicrotime(){ 

                                list($usec, $sec) = explode(" ",microtime()); 

                                return ((float)$usec + (float)$sec); 

                                } 
 # ------------------------------------------------------------------------------
 ?>

                            .. loadtimer.php ends here ..

                            

                            .. loadtimerdemo.php begins here ..

                            <title>LoadTimer.php Demo</title>

                            </head>

                            <body>

                            <table><tr><td>

                            This is a demonstration of LoadTimer.php.<br>

                            <img src="Http://www.weatherpoint.com/wximages/wciss.gif" width="378" height="242" border="0"><br>

                            Move your mouse over the stopwatch to see the load statistics!

                            </td></tr></table>

                            <?php
 # ------------------------------------------------------------------------------

                            # Benchmark build stop time

                            # ------------------------------------------------------------------------------
 $buildstoptime = getmicrotime();
 # ------------------------------------------------------------------------------

                            # Call the loadtimer to display the stopwatch icon and pop up time stats

                            # ------------------------------------------------------------------------------
 print "<iframe src="/loadtimer.php?buildstarttime=$buildstarttime&buildstoptime=$buildstoptime" width=100% height=100% frameborder=0></iframe>";
 # ------------------------------------------------------------------------------
 ?>


                            </body>

                            </html>

                            

                            .. loadtimerdemo.php ends here ..
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