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Aurelien |
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<?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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$output .= '<legend style="color:#990000;"> '.$this->CI->lang->line('profiler_benchmarks').' </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;'>".$key." </td><td width='50%' style='color:#990000;font-weight:normal;background-color:#ddd;'>".$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;"> '.$this->CI->lang->line('profiler_queries').' </legend>';
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$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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$highlight = array('SELECT', 'DISTINCT', 'FROM', 'WHERE', 'AND', 'LEFT JOIN', 'ORDER BY', 'GROUP BY', 'LIMIT', 'INSERT', 'INTO', 'VALUES', 'UPDATE', 'OR', 'HAVING', 'OFFSET', 'NOT IN', 'IN', 'LIKE', 'NOT LIKE', 'COUNT', 'MAX', 'MIN', 'ON', 'AS', 'AVG', 'SUM', '(', ')');
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$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;"> '.$this->CI->lang->line('profiler_database').': '.$db->database.' '.$this->CI->lang->line('profiler_queries').': '.count($this->CI->db->queries).' </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;'>".$time." </td><td style='color:#000;font-weight:normal;background-color:#ddd;'>".$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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$output .= '<legend style="color:#cd6e00;"> '.$this->CI->lang->line('profiler_get_data').' </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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$output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>$_GET[".$key."] </td><td width='50%' style='color:#cd6e00;font-weight:normal;background-color:#ddd;'>";
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if (is_array($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 $_POST Data
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*
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* @access private
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* @return string
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*/
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function _compile_post()
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{
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$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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$output .= '<legend style="color:#009900;"> '.$this->CI->lang->line('profiler_post_data').' </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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$output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>$_POST[".$key."] </td><td width='50%' style='color:#009900;font-weight:normal;background-color:#ddd;'>";
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if (is_array($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 $output;
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}
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// --------------------------------------------------------------------
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/**
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* Show query string
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*
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* @access private
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* @return string
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*/
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function _compile_uri_string()
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{
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$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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$output .= '<legend style="color:#000;"> '.$this->CI->lang->line('profiler_uri_string').' </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>";
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}
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$output .= "</fieldset>";
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return $output;
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}
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// --------------------------------------------------------------------
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/**
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* Show the controller and function that were called
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311 |
*
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* @access private
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* @return string
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*/
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function _compile_controller_info()
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{
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$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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$output .= '<legend style="color:#995300;"> '.$this->CI->lang->line('profiler_controller_info').' </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 $output;
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}
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// --------------------------------------------------------------------
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/**
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* Compile memory usage
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*
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* Display total used memory
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*
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* @access public
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* @return string
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*/
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340 |
function _compile_memory_usage()
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{
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$output = "\n\n";
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343 |
$output .= '<fieldset style="border:1px solid #5a0099;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
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$output .= "\n";
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$output .= '<legend style="color:#5a0099;"> '.$this->CI->lang->line('profiler_memory_usage').' </legend>';
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346 |
$output .= "\n";
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348 |
if (function_exists('memory_get_usage') && ($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 |
{
|
|
|
354 |
$output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_memory_usage')."</div>";
|
|
|
355 |
}
|
|
|
356 |
|
|
|
357 |
$output .= "</fieldset>";
|
|
|
358 |
|
|
|
359 |
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();
|
|
|
381 |
|
|
|
382 |
$output .= '</div>';
|
|
|
383 |
|
|
|
384 |
return $output;
|
|
|
385 |
}
|
|
|
386 |
|
|
|
387 |
}
|
|
|
388 |
|
|
|
389 |
// END CI_Profiler class
|
|
|
390 |
|
|
|
391 |
/* End of file Profiler.php */
|
|
|
392 |
/* Location: ./system/libraries/Profiler.php */
|