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2005 Aurelien 1
<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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/**
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 * CodeIgniter
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 *
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 * An open source application development framework for PHP 4.3.2 or newer
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 *
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 * @package		CodeIgniter
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 * @author		ExpressionEngine Dev Team
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 * @copyright	Copyright (c) 2008, EllisLab, Inc.
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 * @license		http://codeigniter.com/user_guide/license.html
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 * @link		http://codeigniter.com
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 * @since		Version 1.0
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 * @filesource
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 */
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// ------------------------------------------------------------------------
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/**
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 * CodeIgniter Profiler Class
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 *
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 * This class enables you to display benchmark, query, and other data
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 * in order to help with debugging and optimization.
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 *
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 * Note: At some point it would be good to move all the HTML in this class
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 * into a set of template files in order to allow customization.
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 *
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 * @package		CodeIgniter
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 * @subpackage	Libraries
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 * @category	Libraries
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 * @author		ExpressionEngine Dev Team
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 * @link		http://codeigniter.com/user_guide/general/profiling.html
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 */
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class CI_Profiler {
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	var $CI;
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 	function CI_Profiler()
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 	{
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 		$this->CI =& get_instance();
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 		$this->CI->load->language('profiler');
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 	}
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	// --------------------------------------------------------------------
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	/**
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	 * Auto Profiler
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	 *
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	 * This function cycles through the entire array of mark points and
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	 * matches any two points that are named identically (ending in "_start"
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	 * and "_end" respectively).  It then compiles the execution times for
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	 * all points and returns it as an array
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	 *
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	 * @access	private
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	 * @return	array
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	 */
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 	function _compile_benchmarks()
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 	{
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  		$profile = array();
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 		foreach ($this->CI->benchmark->marker as $key => $val)
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 		{
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 			// We match the "end" marker so that the list ends
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 			// up in the order that it was defined
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 			if (preg_match("/(.+?)_end/i", $key, $match))
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 			{
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 				if (isset($this->CI->benchmark->marker[$match[1].'_end']) AND isset($this->CI->benchmark->marker[$match[1].'_start']))
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 				{
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 					$profile[$match[1]] = $this->CI->benchmark->elapsed_time($match[1].'_start', $key);
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 				}
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 			}
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 		}
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		// Build a table containing the profile data.
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		// Note: At some point we should turn this into a template that can
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		// be modified.  We also might want to make this data available to be logged
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		$output  = "\n\n";
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		$output .= '<fieldset style="border:1px solid #990000;padding:6px 10px 10px 10px;margin:0 0 20px 0;background-color:#eee">';
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		$output .= "\n";
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		$output .= '<legend style="color:#990000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_benchmarks').'&nbsp;&nbsp;</legend>';
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		$output .= "\n";
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		$output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";
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		foreach ($profile as $key => $val)
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		{
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			$key = ucwords(str_replace(array('_', '-'), ' ', $key));
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			$output .= "<tr><td width='50%' style='color:#000;font-weight:bold;background-color:#ddd;'>".$key."&nbsp;&nbsp;</td><td width='50%' style='color:#990000;font-weight:normal;background-color:#ddd;'>".$val."</td></tr>\n";
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		}
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		$output .= "</table>\n";
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		$output .= "</fieldset>";
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 		return $output;
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 	}
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	// --------------------------------------------------------------------
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	/**
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	 * Compile Queries
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	 *
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	 * @access	private
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	 * @return	string
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	 */
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	function _compile_queries()
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	{
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		$dbs = array();
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		// Let's determine which databases are currently connected to
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		foreach (get_object_vars($this->CI) as $CI_object)
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		{
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			if ( is_subclass_of(get_class($CI_object), 'CI_DB') )
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			{
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				$dbs[] = $CI_object;
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			}
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		}
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		if (count($dbs) == 0)
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		{
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			$output  = "\n\n";
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			$output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
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			$output .= "\n";
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			$output .= '<legend style="color:#0000FF;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries').'&nbsp;&nbsp;</legend>';
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			$output .= "\n";
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			$output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";
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			$output .="<tr><td width='100%' style='color:#0000FF;font-weight:normal;background-color:#eee;'>".$this->CI->lang->line('profiler_no_db')."</td></tr>\n";
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			$output .= "</table>\n";
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			$output .= "</fieldset>";
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			return $output;
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		}
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		// Load the text helper so we can highlight the SQL
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		$this->CI->load->helper('text');
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		// Key words we want bolded
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		$highlight = array('SELECT', 'DISTINCT', 'FROM', 'WHERE', 'AND', 'LEFT&nbsp;JOIN', 'ORDER&nbsp;BY', 'GROUP&nbsp;BY', 'LIMIT', 'INSERT', 'INTO', 'VALUES', 'UPDATE', 'OR', 'HAVING', 'OFFSET', 'NOT&nbsp;IN', 'IN', 'LIKE', 'NOT&nbsp;LIKE', 'COUNT', 'MAX', 'MIN', 'ON', 'AS', 'AVG', 'SUM', '(', ')');
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		$output  = "\n\n";
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		foreach ($dbs as $db)
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		{
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			$output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
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			$output .= "\n";
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			$output .= '<legend style="color:#0000FF;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_database').':&nbsp; '.$db->database.'&nbsp;&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries').': '.count($this->CI->db->queries).'&nbsp;&nbsp;&nbsp;</legend>';
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			$output .= "\n";
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			$output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";
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			if (count($db->queries) == 0)
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			{
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				$output .= "<tr><td width='100%' style='color:#0000FF;font-weight:normal;background-color:#eee;'>".$this->CI->lang->line('profiler_no_queries')."</td></tr>\n";
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			}
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			else
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			{
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				foreach ($db->queries as $key => $val)
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				{
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					$time = number_format($db->query_times[$key], 4);
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					$val = highlight_code($val, ENT_QUOTES);
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					foreach ($highlight as $bold)
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					{
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						$val = str_replace($bold, '<strong>'.$bold.'</strong>', $val);
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					}
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					$output .= "<tr><td width='1%' valign='top' style='color:#990000;font-weight:normal;background-color:#ddd;'>".$time."&nbsp;&nbsp;</td><td style='color:#000;font-weight:normal;background-color:#ddd;'>".$val."</td></tr>\n";
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				}
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			}
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			$output .= "</table>\n";
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			$output .= "</fieldset>";
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		}
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		return $output;
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	}
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	// --------------------------------------------------------------------
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	/**
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	 * Compile $_GET Data
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	 *
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	 * @access	private
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	 * @return	string
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	 */
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	function _compile_get()
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	{
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		$output  = "\n\n";
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		$output .= '<fieldset style="border:1px solid #cd6e00;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
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		$output .= "\n";
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		$output .= '<legend style="color:#cd6e00;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_get_data').'&nbsp;&nbsp;</legend>';
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		$output .= "\n";
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		if (count($_GET) == 0)
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		{
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			$output .= "<div style='color:#cd6e00;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_get')."</div>";
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		}
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		else
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		{
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			$output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";
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			foreach ($_GET as $key => $val)
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			{
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				if ( ! is_numeric($key))
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				{
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					$key = "'".$key."'";
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				}
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				$output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>&#36;_GET[".$key."]&nbsp;&nbsp; </td><td width='50%' style='color:#cd6e00;font-weight:normal;background-color:#ddd;'>";
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				if (is_array($val))
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				{
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					$output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, true))) . "</pre>";
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				}
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				else
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				{
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					$output .= htmlspecialchars(stripslashes($val));
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				}
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				$output .= "</td></tr>\n";
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			}
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			$output .= "</table>\n";
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		}
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		$output .= "</fieldset>";
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		return $output;
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	}
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	// --------------------------------------------------------------------
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	/**
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	 * Compile $_POST Data
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	 *
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	 * @access	private
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	 * @return	string
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	 */
235
	function _compile_post()
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	{
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		$output  = "\n\n";
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		$output .= '<fieldset style="border:1px solid #009900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
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		$output .= "\n";
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		$output .= '<legend style="color:#009900;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_post_data').'&nbsp;&nbsp;</legend>';
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		$output .= "\n";
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		if (count($_POST) == 0)
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		{
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			$output .= "<div style='color:#009900;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_post')."</div>";
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		}
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		else
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		{
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			$output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";
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			foreach ($_POST as $key => $val)
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			{
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				if ( ! is_numeric($key))
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				{
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					$key = "'".$key."'";
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				}
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				$output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>&#36;_POST[".$key."]&nbsp;&nbsp; </td><td width='50%' style='color:#009900;font-weight:normal;background-color:#ddd;'>";
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				if (is_array($val))
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				{
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					$output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, true))) . "</pre>";
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				}
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				else
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				{
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					$output .= htmlspecialchars(stripslashes($val));
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				}
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				$output .= "</td></tr>\n";
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			}
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			$output .= "</table>\n";
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		}
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		$output .= "</fieldset>";
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		return $output;
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	}
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	// --------------------------------------------------------------------
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	/**
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	 * Show query string
281
	 *
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	 * @access	private
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	 * @return	string
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	 */
285
	function _compile_uri_string()
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	{
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		$output  = "\n\n";
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		$output .= '<fieldset style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
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		$output .= "\n";
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		$output .= '<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_uri_string').'&nbsp;&nbsp;</legend>';
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		$output .= "\n";
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		if ($this->CI->uri->uri_string == '')
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		{
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			$output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_uri')."</div>";
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		}
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		else
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		{
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			$output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->uri->uri_string."</div>";
300
		}
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		$output .= "</fieldset>";
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		return $output;
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	}
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307
	// --------------------------------------------------------------------
308
309
	/**
310
	 * Show the controller and function that were called
311
	 *
312
	 * @access	private
313
	 * @return	string
314
	 */
315
	function _compile_controller_info()
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	{
317
		$output  = "\n\n";
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		$output .= '<fieldset style="border:1px solid #995300;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
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		$output .= "\n";
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		$output .= '<legend style="color:#995300;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_controller_info').'&nbsp;&nbsp;</legend>';
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		$output .= "\n";
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		$output .= "<div style='color:#995300;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->router->fetch_class()."/".$this->CI->router->fetch_method()."</div>";
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		$output .= "</fieldset>";
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		return $output;
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	}
330
	// --------------------------------------------------------------------
331
332
	/**
333
	 * Compile memory usage
334
	 *
335
	 * Display total used memory
336
	 *
337
	 * @access	public
338
	 * @return	string
339
	 */
340
	function _compile_memory_usage()
341
	{
342
		$output  = "\n\n";
343
		$output .= '<fieldset style="border:1px solid #5a0099;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
344
		$output .= "\n";
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		$output .= '<legend style="color:#5a0099;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_memory_usage').'&nbsp;&nbsp;</legend>';
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		$output .= "\n";
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348
		if (function_exists('memory_get_usage') && ($usage = memory_get_usage()) != '')
349
		{
350
			$output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".number_format($usage).' bytes</div>';
351
		}
352
		else
353
		{
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			$output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_memory_usage')."</div>";
355
		}
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357
		$output .= "</fieldset>";
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		return $output;
360
	}
361
362
	// --------------------------------------------------------------------
363
364
	/**
365
	 * Run the Profiler
366
	 *
367
	 * @access	private
368
	 * @return	string
369
	 */
370
	function run()
371
	{
372
		$output = "<div id='codeigniter_profiler' style='clear:both;background-color:#fff;padding:10px;'>";
373
374
		$output .= $this->_compile_uri_string();
375
		$output .= $this->_compile_controller_info();
376
		$output .= $this->_compile_memory_usage();
377
		$output .= $this->_compile_benchmarks();
378
		$output .= $this->_compile_get();
379
		$output .= $this->_compile_post();
380
		$output .= $this->_compile_queries();
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382
		$output .= '</div>';
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		return $output;
385
	}
386
387
}
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389
// END CI_Profiler class
390
391
/* End of file Profiler.php */
392
/* Location: ./system/libraries/Profiler.php */