freenetis-github/system/libraries/Profiler.php @ b79f77ca
| 8baed187 | Michal Kliment | <?php defined('SYSPATH') or die('No direct script access.');
|
|
/**
|
|||
* Adds useful information to the bottom of the current page for debugging and optimization purposes.
|
|||
*
|
|||
* Benchmarks - The times and memory usage of benchmarks run by the <Benchmark> library
|
|||
* Database - The raw SQL and number of affected rows of <Database> queries
|
|||
* POST Data - The name and values of any POST data submitted to the current page
|
|||
* Session Data - Data stored in the current session if using the <Session> library
|
|||
*
|
|||
* $Id: Profiler.php 1911 2008-02-04 16:13:16Z PugFish $
|
|||
*
|
|||
* @package Core
|
|||
* @author Kohana Team
|
|||
* @copyright (c) 2007-2008 Kohana Team
|
|||
* @license http://kohanaphp.com/license.html
|
|||
*/
|
|||
class Profiler {
|
|||
/**
|
|||
* Adds event for adding the profile output to the page when displayed.
|
|||
*/
|
|||
public function __construct()
|
|||
{
|
|||
// Add profiler to page output automatically
|
|||
Event::add('system.display', array($this, 'render'));
|
|||
Log::add('debug', 'Profiler Library initialized');
|
|||
// enable DB benchmark
|
|||
Database::instance()->set_benchmark(TRUE);
|
|||
}
|
|||
/**
|
|||
* Disables the profiler for this page only.
|
|||
* Best used when profiler is autoloaded.
|
|||
*/
|
|||
public function disable()
|
|||
{
|
|||
// Removes itself from the event queue
|
|||
Event::clear('system.display', array($this, 'render'));
|
|||
}
|
|||
/**
|
|||
* Render the profiler. Output is added to the bottom of the page by default.
|
|||
*
|
|||
* @param boolean return the output if TRUE
|
|||
* @return void|string
|
|||
*/
|
|||
public function render($return = FALSE)
|
|||
{
|
|||
// Clean unique id from system benchmark names
|
|||
foreach (Benchmark::get(TRUE) as $name => $time)
|
|||
{
|
|||
$data['benchmarks'][str_replace(SYSTEM_BENCHMARK.'_', '', $name)] = $time;
|
|||
}
|
|||
$data['queries'] = Database::$benchmarks;
|
|||
$data['post'] = TRUE;
|
|||
$data['session'] = TRUE;
|
|||
$data['cookie'] = TRUE;
|
|||
// Load the profiler view
|
|||
$view = new View('kohana_profiler', $data);
|
|||
// Return rendered view if $return is TRUE
|
|||
if ($return == TRUE)
|
|||
return $view->render();
|
|||
// Add profiler data to the output
|
|||
if (stripos(Kohana::$output, '</body>') !== FALSE)
|
|||
{
|
|||
// Closing body tag was found, insert the profiler data before it
|
|||
Kohana::$output = str_ireplace('</body>', $view->render().'</body>', Kohana::$output);
|
|||
}
|
|||
else
|
|||
{
|
|||
// Append the profiler data to the output
|
|||
Kohana::$output .= $view->render();
|
|||
}
|
|||
}
|
|||
/**
|
|||
* Magically convert this object to a string, the rendered profiler.
|
|||
*
|
|||
* @return string
|
|||
*/
|
|||
public function __toString()
|
|||
{
|
|||
return $this->render(TRUE);
|
|||
}
|
|||
} // End Profiler Class
|