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alazhar
2020-01-02 22:20:31 +07:00
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libraries/joomla/profiler/index.html Normal file
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<!DOCTYPE html><title></title>

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libraries/joomla/profiler/profiler.php Normal file
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<?php
/**
* @package Joomla.Platform
* @subpackage Profiler
*
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* Utility class to assist in the process of benchmarking the execution
* of sections of code to understand where time is being spent.
*
* @package Joomla.Platform
* @subpackage Profiler
* @since 11.1
*/
class JProfiler
{
/**
* @var integer The start time.
* @since 12.1
*/
protected $start = 0;
/**
* @var string The prefix to use in the output
* @since 12.1
*/
protected $prefix = '';
/**
* @var array The buffer of profiling messages.
* @since 12.1
*/
protected $buffer = null;
/**
* @var array The profiling messages.
* @since 12.1
*/
protected $marks = null;
/**
* @var float
* @since 12.1
*/
protected $previousTime = 0.0;
/**
* @var float
* @since 12.1
*/
protected $previousMem = 0.0;
/**
* @var array JProfiler instances container.
* @since 11.3
*/
protected static $instances = array();
/**
* Constructor
*
* @param string $prefix Prefix for mark messages
*
* @since 11.1
*/
public function __construct($prefix = '')
{
$this->start = microtime(1);
$this->prefix = $prefix;
$this->marks = array();
$this->buffer = array();
}
/**
* Returns the global Profiler object, only creating it
* if it doesn't already exist.
*
* @param string $prefix Prefix used to distinguish profiler objects.
*
* @return JProfiler The Profiler object.
*
* @since 11.1
*/
public static function getInstance($prefix = '')
{
if (empty(self::$instances[$prefix]))
{
self::$instances[$prefix] = new JProfiler($prefix);
}
return self::$instances[$prefix];
}
/**
* Output a time mark
*
* The mark is returned as text enclosed in <div> tags
* with a CSS class of 'profiler'.
*
* @param string $label A label for the time mark
*
* @return string Mark enclosed in <div> tags
*
* @since 11.1
*/
public function mark($label)
{
$current = microtime(1) - $this->start;
$currentMem = memory_get_usage() / 1048576;
$m = (object) array(
'prefix' => $this->prefix,
'time' => ($current > $this->previousTime ? '+' : '-') . (($current - $this->previousTime) * 1000),
'totalTime' => ($current * 1000),
'memory' => ($currentMem > $this->previousMem ? '+' : '-') . ($currentMem - $this->previousMem),
'totalMemory' => $currentMem,
'label' => $label
);
$this->marks[] = $m;
$mark = sprintf(
'%s %.3f seconds (%.3f); %0.2f MB (%0.3f) - %s',
$m->prefix,
$m->totalTime / 1000,
$m->time / 1000,
$m->totalMemory,
$m->memory,
$m->label
);
$this->buffer[] = $mark;
$this->previousTime = $current;
$this->previousMem = $currentMem;
return $mark;
}
/**
* Get the current time.
*
* @return float The current time
*
* @since 11.1
* @deprecated 12.3 (Platform) & 4.0 (CMS) - Use PHP's microtime(1)
*/
public static function getmicrotime()
{
list ($usec, $sec) = explode(' ', microtime());
return ((float) $usec + (float) $sec);
}
/**
* Get information about current memory usage.
*
* @return integer The memory usage
*
* @link PHP_MANUAL#memory_get_usage
* @since 11.1
* @deprecated 12.3 (Platform) & 4.0 (CMS) - Use PHP's native memory_get_usage()
*/
public function getMemory()
{
return memory_get_usage();
}
/**
* Get all profiler marks.
*
* Returns an array of all marks created since the Profiler object
* was instantiated. Marks are objects as per {@link JProfiler::mark()}.
*
* @return array Array of profiler marks
*/
public function getMarks()
{
return $this->marks;
}
/**
* Get all profiler mark buffers.
*
* Returns an array of all mark buffers created since the Profiler object
* was instantiated. Marks are strings as per {@link JProfiler::mark()}.
*
* @return array Array of profiler marks
*/
public function getBuffer()
{
return $this->buffer;
}
}