php-timer-object
voorbeeld.php
Code (php)
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<?
include('TIMER.class.php');
// Creer het timer object
$oTimer = new DIV_TIMER('log.txt');
// Creer ook een performance meter, gewoon als voorbeeld
$oPerfmeter = new DIV_PERFORMANCE_METER();
// doe wat dingen
$j = 0;
for($i=0; $i<100; $i++)
{
$j = $j + $i * 2;
if($i%10 == 0)
{
echo 'Tien rondjes gedaan j = '.$j.'<br />'."\r\n";
$oPerfmeter->add_point('Tijd na ronde '.$i);
}
}
// Print de tijd die je script erover gedaan heeft:
$oTimer->stop();
echo $oTimer->get_time();
// Leuk om te zien hoelang iedere ronde duurde?
// dit wordt nog als html commentaar geplaatst. Staat dus automatisch in je source
// Niet erg netjes, moet nog aangepast worden.
echo '<br />Voor ronde tijden, zie de source!<br/>'."\r\n";
echo '<a href="log.txt">klik hier voor de log</a>';
$oPerfmeter->parse();
?>
include('TIMER.class.php');
// Creer het timer object
$oTimer = new DIV_TIMER('log.txt');
// Creer ook een performance meter, gewoon als voorbeeld
$oPerfmeter = new DIV_PERFORMANCE_METER();
// doe wat dingen
$j = 0;
for($i=0; $i<100; $i++)
{
$j = $j + $i * 2;
if($i%10 == 0)
{
echo 'Tien rondjes gedaan j = '.$j.'<br />'."\r\n";
$oPerfmeter->add_point('Tijd na ronde '.$i);
}
}
// Print de tijd die je script erover gedaan heeft:
$oTimer->stop();
echo $oTimer->get_time();
// Leuk om te zien hoelang iedere ronde duurde?
// dit wordt nog als html commentaar geplaatst. Staat dus automatisch in je source
// Niet erg netjes, moet nog aangepast worden.
echo '<br />Voor ronde tijden, zie de source!<br/>'."\r\n";
echo '<a href="log.txt">klik hier voor de log</a>';
$oPerfmeter->parse();
?>
TIMER.class.php
Code (php)
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<?
class DIV_TIMER
{
var $_fStartTime;
var $_fEndTime;
var $_blnFinished = false;
var $_strFile;
/**
* Constructor. Autostart the timer.
*
*/
function DIV_TIMER($strFile = null)
{
$this->_strFile = $strFile;
$this->start();
}
/**
* Set the filename to save statistics in
*
* @param unknown_type $strFile
*/
function set_file($strFile)
{
$this->_strFile = $strFile;
}
/**
* Start the internal timer. Can also be used for a restart
*
*/
function start()
{
$this->_fStartTime = $this->microtime_as_float();
$this->_blnFinished = false;
}
/**
* Can be used static
*
* @return unknown
*/
function microtime_as_float()
{
list($usec, $sec) = explode(" ", microtime());
return ((float)$usec + (float)$sec);
}
/**
* Stop the timer. The stoptime will be remembered.
* If a file isset, then the time will be saved.
*
*/
function stop()
{
if(!$this->_blnFinished)
{
$this->_fEndTime = $this->microtime_as_float();
$this->_blnFinished = true;
if(!is_null($this->_strFile))
{
$strPerfData = '';
$strMyFilename = $_SERVER['REQUEST_URI'];
$fTimeDiff = ($this->_fEndTime - $this->_fStartTime);
if(file_exists($this->_strFile) && filesize($this->_strFile))
{
$f = fopen($this->_strFile, "r");
$strPerfData = fread($f, filesize($this->_strFile));
fclose($f);
}
if(strpos($strPerfData, $strMyFilename) !== false)
{
$iLinestart = strpos($strPerfData, $strMyFilename);
$iLineend = strpos($strPerfData, ';', $iLinestart);
$strLineData = substr($strPerfData, $iLinestart, $iLineend-$iLinestart);
list($strFile, $iCount, $fAvgTime) = explode(':', $strLineData);
$iCount = intval($iCount) + 1;
$fAvgTime = (floatval($fAvgTime) * ($iCount-1) + $fTimeDiff) / $iCount;
$strPerfData = substr_replace($strPerfData, $strMyFilename.':'.$iCount.':'.$fAvgTime, $iLinestart, $iLineend-$iLinestart);
}
else
{
$strPerfData .= $strMyFilename.':1:'.$fTimeDiff.";\r\n";
}
$f = fopen($this->_strFile, "w+");
fwrite($f, $strPerfData);
fclose($f);
}
}
}
/**
* Stop the timer and reset the data
*
*/
function reset()
{
$this->_fStartTime = 0;
$this->_fEndTime=0;
$this->_blnFinished = true;
}
/**
* Get the time in seconds
*
* @return timing time in seconds
*/
function get_time()
{
if($this->_blnFinished)
return ($this->_fEndTime - $this->_fStartTime);
else return ($this->microtime_as_float() - $this->_fStartTime);
}
}
class DIV_PERFORMANCE_METER
{
var $_oTimer;
var $_arrAssocPoints = array();
/**
* Constructor
*
* @return DIV_PERFORMANCE_METER
*/
function DIV_PERFORMANCE_METER()
{
$this->_oTimer = new DIV_TIMER();
}
/**
* Add a save point to the performance meter. Name it as you like, the name has to be unique, otherwise it will be overwritten
*
* @param unknown_type $strName
*/
function add_point($strName)
{
$this->_arrAssocPoints[$strName] = $this->_oTimer->get_time();
}
/**
* Deprecated function. Now named parse_as_htmlcomment
*
*/
function parse()
{
$this->parse_as_htmlcomment();
}
/**
* Output the data in a htmlcomment element
*
*/
function parse_as_htmlcomment()
{
$strComment = '<!--'."\n";
foreach($this->_arrAssocPoints as $key=>$value)
$strComment .= $key.':'."\t".$value."\n";
$strComment .= '-->';
echo $strComment;
}
/**
* Get an array with all the points, the array is associative. The key of every element is equal to the name passed with add_point()
*
* @return unknown
*/
function get_timedata()
{
return $this->_arrPoints;
}
}
?>
class DIV_TIMER
{
var $_fStartTime;
var $_fEndTime;
var $_blnFinished = false;
var $_strFile;
/**
* Constructor. Autostart the timer.
*
*/
function DIV_TIMER($strFile = null)
{
$this->_strFile = $strFile;
$this->start();
}
/**
* Set the filename to save statistics in
*
* @param unknown_type $strFile
*/
function set_file($strFile)
{
$this->_strFile = $strFile;
}
/**
* Start the internal timer. Can also be used for a restart
*
*/
function start()
{
$this->_fStartTime = $this->microtime_as_float();
$this->_blnFinished = false;
}
/**
* Can be used static
*
* @return unknown
*/
function microtime_as_float()
{
list($usec, $sec) = explode(" ", microtime());
return ((float)$usec + (float)$sec);
}
/**
* Stop the timer. The stoptime will be remembered.
* If a file isset, then the time will be saved.
*
*/
function stop()
{
if(!$this->_blnFinished)
{
$this->_fEndTime = $this->microtime_as_float();
$this->_blnFinished = true;
if(!is_null($this->_strFile))
{
$strPerfData = '';
$strMyFilename = $_SERVER['REQUEST_URI'];
$fTimeDiff = ($this->_fEndTime - $this->_fStartTime);
if(file_exists($this->_strFile) && filesize($this->_strFile))
{
$f = fopen($this->_strFile, "r");
$strPerfData = fread($f, filesize($this->_strFile));
fclose($f);
}
if(strpos($strPerfData, $strMyFilename) !== false)
{
$iLinestart = strpos($strPerfData, $strMyFilename);
$iLineend = strpos($strPerfData, ';', $iLinestart);
$strLineData = substr($strPerfData, $iLinestart, $iLineend-$iLinestart);
list($strFile, $iCount, $fAvgTime) = explode(':', $strLineData);
$iCount = intval($iCount) + 1;
$fAvgTime = (floatval($fAvgTime) * ($iCount-1) + $fTimeDiff) / $iCount;
$strPerfData = substr_replace($strPerfData, $strMyFilename.':'.$iCount.':'.$fAvgTime, $iLinestart, $iLineend-$iLinestart);
}
else
{
$strPerfData .= $strMyFilename.':1:'.$fTimeDiff.";\r\n";
}
$f = fopen($this->_strFile, "w+");
fwrite($f, $strPerfData);
fclose($f);
}
}
}
/**
* Stop the timer and reset the data
*
*/
function reset()
{
$this->_fStartTime = 0;
$this->_fEndTime=0;
$this->_blnFinished = true;
}
/**
* Get the time in seconds
*
* @return timing time in seconds
*/
function get_time()
{
if($this->_blnFinished)
return ($this->_fEndTime - $this->_fStartTime);
else return ($this->microtime_as_float() - $this->_fStartTime);
}
}
class DIV_PERFORMANCE_METER
{
var $_oTimer;
var $_arrAssocPoints = array();
/**
* Constructor
*
* @return DIV_PERFORMANCE_METER
*/
function DIV_PERFORMANCE_METER()
{
$this->_oTimer = new DIV_TIMER();
}
/**
* Add a save point to the performance meter. Name it as you like, the name has to be unique, otherwise it will be overwritten
*
* @param unknown_type $strName
*/
function add_point($strName)
{
$this->_arrAssocPoints[$strName] = $this->_oTimer->get_time();
}
/**
* Deprecated function. Now named parse_as_htmlcomment
*
*/
function parse()
{
$this->parse_as_htmlcomment();
}
/**
* Output the data in a htmlcomment element
*
*/
function parse_as_htmlcomment()
{
$strComment = '<!--'."\n";
foreach($this->_arrAssocPoints as $key=>$value)
$strComment .= $key.':'."\t".$value."\n";
$strComment .= '-->';
echo $strComment;
}
/**
* Get an array with all the points, the array is associative. The key of every element is equal to the name passed with add_point()
*
* @return unknown
*/
function get_timedata()
{
return $this->_arrPoints;
}
}
?>