Profiler.php | searchcode

/convert/system/libraries/Profiler.php

https://github.com/usagi-project/mynets1
PHP | 343 lines | 199 code | 52 blank | 92 comment | 19 complexity | c78b96f5f6b99087657ec6312c603a25 MD5 | raw file

<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');

/**

 * CodeIgniter

 *

 * An open source application development framework for PHP 4.3.2 or newer

 *

 * @package		CodeIgniter

 * @author		ExpressionEngine Dev Team

 * @copyright	Copyright (c) 2006, EllisLab, Inc.

 * @license		http://codeigniter.com/user_guide/license.html

 * @link		http://codeigniter.com

 * @since		Version 1.0

 * @filesource

 */



// ------------------------------------------------------------------------



/**

 * CodeIgniter Profiler Class

 *

 * This class enables you to display benchmark, query, and other data

 * in order to help with debugging and optimization.

 *

 * Note: At some point it would be good to move all the HTML in this class

 * into a set of template files in order to allow customization.

 *

 * @package		CodeIgniter

 * @subpackage	Libraries

 * @category	Libraries

 * @author		ExpressionEngine Dev Team

 * @link		http://codeigniter.com/user_guide/general/profiling.html

 */

class CI_Profiler {



	var $CI;

 	

 	function CI_Profiler()

 	{

 		$this->CI =& get_instance();

 		$this->CI->load->language('profiler');

 	}

 	

	// --------------------------------------------------------------------



	/**

	 * Auto Profiler

	 *

	 * This function cycles through the entire array of mark points and

	 * matches any two points that are named identically (ending in "_start"

	 * and "_end" respectively).  It then compiles the execution times for

	 * all points and returns it as an array

	 *

	 * @access	private

	 * @return	array

	 */

 	function _compile_benchmarks()

 	{

  		$profile = array();

 		foreach ($this->CI->benchmark->marker as $key => $val)

 		{

 			// We match the "end" marker so that the list ends

 			// up in the order that it was defined

 			if (preg_match("/(.+?)_end/i", $key, $match))

 			{ 			

 				if (isset($this->CI->benchmark->marker[$match[1].'_end']) AND isset($this->CI->benchmark->marker[$match[1].'_start']))

 				{

 					$profile[$match[1]] = $this->CI->benchmark->elapsed_time($match[1].'_start', $key);

 				}

 			}

 		}



		// Build a table containing the profile data.

		// Note: At some point we should turn this into a template that can

		// be modified.  We also might want to make this data available to be logged

	

		$output  = "\n\n";

		$output .= '<fieldset style="border:1px solid #990000;padding:6px 10px 10px 10px;margin:0 0 20px 0;background-color:#eee">';

		$output .= "\n";

		$output .= '<legend style="color:#990000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_benchmarks').'&nbsp;&nbsp;</legend>';

		$output .= "\n";			

		$output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";

		

		foreach ($profile as $key => $val)

		{

			$key = ucwords(str_replace(array('_', '-'), ' ', $key));

			$output .= "<tr><td width='50%' style='color:#000;font-weight:bold;background-color:#ddd;'>".$key."&nbsp;&nbsp;</td><td width='50%' style='color:#990000;font-weight:normal;background-color:#ddd;'>".$val."</td></tr>\n";

		}

		

		$output .= "</table>\n";

		$output .= "</fieldset>";

 		

 		return $output;

 	}

 	

	// --------------------------------------------------------------------



	/**

	 * Compile Queries

	 *

	 * @access	private

	 * @return	string

	 */	

	function _compile_queries()

	{

		$output  = "\n\n";

		$output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';

		$output .= "\n";

		

		if ( ! class_exists('CI_DB_driver'))

		{

			$output .= '<legend style="color:#0000FF;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries').'&nbsp;&nbsp;</legend>';

			$output .= "\n";		

			$output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";

			$output .="<tr><td width='100%' style='color:#0000FF;font-weight:normal;background-color:#eee;'>".$this->CI->lang->line('profiler_no_db')."</td></tr>\n";

		}

		else

		{

			$output .= '<legend style="color:#0000FF;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries').' ('.count($this->CI->db->queries).')&nbsp;&nbsp;</legend>';

			$output .= "\n";		

			$output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";

			

			if (count($this->CI->db->queries) == 0)

			{

				$output .= "<tr><td width='100%' style='color:#0000FF;font-weight:normal;background-color:#eee;'>".$this->CI->lang->line('profiler_no_queries')."</td></tr>\n";

			}

			else

			{

				$highlight = array('SELECT', 'FROM', 'WHERE', 'AND', 'LEFT JOIN', 'ORDER BY', 'LIMIT', 'INSERT', 'INTO', 'VALUES', 'UPDATE', 'OR');

				

				foreach ($this->CI->db->queries as $key => $val)

				{

					$val = htmlspecialchars($val, ENT_QUOTES);

					$time = number_format($this->CI->db->query_times[$key], 4);

					

					foreach ($highlight as $bold)

					{

						$val = str_replace($bold, '<strong>'.$bold.'</strong>', $val);	

					}

					

					$output .= "<tr><td width='1%' valign='top' style='color:#990000;font-weight:normal;background-color:#ddd;'>".$time."&nbsp;&nbsp;</td><td style='color:#000;font-weight:normal;background-color:#ddd;'>".$val."</td></tr>\n";

				}

			}

		}

		

		$output .= "</table>\n";

		$output .= "</fieldset>";

		

		return $output;

	}



	

	// --------------------------------------------------------------------



	/**

	 * Compile $_GET Data

	 *

	 * @access	private

	 * @return	string

	 */	

	function _compile_get()

	{	

		$output  = "\n\n";

		$output .= '<fieldset style="border:1px solid #cd6e00;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';

		$output .= "\n";

		$output .= '<legend style="color:#cd6e00;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_get_data').'&nbsp;&nbsp;</legend>';

		$output .= "\n";

				

		if (count($_GET) == 0)

		{

			$output .= "<div style='color:#cd6e00;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_get')."</div>";

		}

		else

		{

			$output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";

		

			foreach ($_GET as $key => $val)

			{

				if ( ! is_numeric($key))

				{

					$key = "'".$key."'";

				}

			

				$output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>&#36;_GET[".$key."]&nbsp;&nbsp; </td><td width='50%' style='color:#cd6e00;font-weight:normal;background-color:#ddd;'>";

				if (is_array($val))

				{

					$output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, true))) . "</pre>";

				}

				else

				{

					$output .= htmlspecialchars(stripslashes($val));

				}

				$output .= "</td></tr>\n";

			}

			

			$output .= "</table>\n";

		}

		$output .= "</fieldset>";



		return $output;	

	}

	

	// --------------------------------------------------------------------

	

	/**

	 * Compile $_POST Data

	 *

	 * @access	private

	 * @return	string

	 */	

	function _compile_post()

	{	

		$output  = "\n\n";

		$output .= '<fieldset style="border:1px solid #009900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';

		$output .= "\n";

		$output .= '<legend style="color:#009900;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_post_data').'&nbsp;&nbsp;</legend>';

		$output .= "\n";

				

		if (count($_POST) == 0)

		{

			$output .= "<div style='color:#009900;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_post')."</div>";

		}

		else

		{

			$output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";

		

			foreach ($_POST as $key => $val)

			{

				if ( ! is_numeric($key))

				{

					$key = "'".$key."'";

				}

			

//				$output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>&#36;_POST[".$key."]&nbsp;&nbsp;</td><td width='50%' style='color:#009900;font-weight:normal;background-color:#ddd;'>".htmlspecialchars(stripslashes($val))."</td></tr>\n";

				$output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>&#36;_POST[".$key."]&nbsp;&nbsp; </td><td width='50%' style='color:#009900;font-weight:normal;background-color:#ddd;'>";

				if (is_array($val))

				{

					$output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, true))) . "</pre>";

				}

				else

				{

					$output .= htmlspecialchars(stripslashes($val));

				}

				$output .= "</td></tr>\n";

			}

			

			$output .= "</table>\n";

		}

		$output .= "</fieldset>";



		return $output;	

	}

	

	// --------------------------------------------------------------------

	

	/**

	 * Show query string

	 *

	 * @access	private

	 * @return	string

	 */	

	function _compile_uri_string()

	{	

		$output  = "\n\n";

		$output .= '<fieldset style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';

		$output .= "\n";

		$output .= '<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_uri_string').'&nbsp;&nbsp;</legend>';

		$output .= "\n";

		

		if ($this->CI->uri->uri_string == '')

		{

			$output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_uri')."</div>";

		}

		else

		{

			$output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->uri->uri_string."</div>";				

		}

		

		$output .= "</fieldset>";



		return $output;	

	}



	// --------------------------------------------------------------------

	

	/**

	 * Compile memory usage

	 *

	 * Display total used memory

	 *

	 * @access	public

	 * @return	string

	 */

	function _compile_memory_usage()

	{

		$output  = "\n\n";

		$output .= '<fieldset style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';

		$output .= "\n";

		$output .= '<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_memory_usage').'&nbsp;&nbsp;</legend>';

		$output .= "\n";

		

		if (function_exists('memory_get_usage') && ($usage = memory_get_usage()) != '')

		{

			$output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".number_format($usage).' bytes</div>';

		}

		else

		{

			$output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_memory_usage')."</div>";				

		}

		

		$output .= "</fieldset>";



		return $output;

	}



	// --------------------------------------------------------------------

	

	/**

	 * Run the Profiler

	 *

	 * @access	private

	 * @return	string

	 */	

	function run()

	{		

		$output = '<br clear="all" />';

		$output .= "<div style='background-color:#fff;padding:10px;'>";

		

		$output .= $this->_compile_memory_usage();

		$output .= $this->_compile_benchmarks();	

		$output .= $this->_compile_uri_string();

		$output .= $this->_compile_get();

		$output .= $this->_compile_post();

		$output .= $this->_compile_queries();

		

		$output .= '</div>';

		

		return $output;

	}



}



// END CI_Profiler class

?>