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<?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) 2008 - 2009, 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";
$output .= '<legend style="color:#990000;"> '.$this->CI->lang->line('profiler_benchmarks').' </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." </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()
{
$dbs = array();
// Let's determine which databases are currently connected to
foreach (get_object_vars($this->CI) as $CI_object)
{
if (is_object($CI_object) && is_subclass_of(get_class($CI_object), 'CI_DB') )
{
$dbs[] = $CI_object;
}
}
if (count($dbs) == 0)
{
$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";
$output .= '<legend style="color:#0000FF;"> '.$this->CI->lang->line('profiler_queries').' </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";
$output .= "</table>\n";
$output .= "</fieldset>";
return $output;
}
// Load the text helper so we can highlight the SQL
$this->CI->load->helper('text');
// Key words we want bolded
$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', '(', ')');
$output = "\n\n";
foreach ($dbs as $db)
{
$output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
$output .= "\n";
$output .= '<legend style="color:#0000FF;"> '.$this->CI->lang->line('profiler_database').': '.$db->database.' '.$this->CI->lang->line('profiler_queries').': '.count($this->CI->db->queries).' </legend>';
$output .= "\n";
$output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";
if (count($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
{
foreach ($db->queries as $key => $val)
{
$time = number_format($db->query_times[$key], 4);
$val = highlight_code($val, ENT_QUOTES);
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." </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";
$output .= '<legend style="color:#cd6e00;"> '.$this->CI->lang->line('profiler_get_data').' </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."'";
}
$output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>$_GET[".$key."] </td><td width='50%' style='color:#cd6e00;font-weight:normal;background-color:#ddd;'>";
if (is_array($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";
$output .= '<legend style="color:#009900;"> '.$this->CI->lang->line('profiler_post_data').' </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."'";
}
$output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>$_POST[".$key."] </td><td width='50%' style='color:#009900;font-weight:normal;background-color:#ddd;'>";
if (is_array($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";
$output .= '<legend style="color:#000;"> '.$this->CI->lang->line('profiler_uri_string').' </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;
}
// --------------------------------------------------------------------
/**
* Show the controller and function that were called
*
* @access private
* @return string
*/
function _compile_controller_info()
{
$output = "\n\n";
$output .= '<fieldset style="border:1px solid #995300;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
$output .= "\n";
$output .= '<legend style="color:#995300;"> '.$this->CI->lang->line('profiler_controller_info').' </legend>';
$output .= "\n";
$output .= "<div style='color:#995300;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->router->fetch_class()."/".$this->CI->router->fetch_method()."</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 #5a0099;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
$output .= "\n";
$output .= '<legend style="color:#5a0099;"> '.$this->CI->lang->line('profiler_memory_usage').' </legend>';
$output .= "\n";
if (function_exists('memory_get_usage') && ($usage = memory_get_usage()) != '')
{
$output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".number_format($usage).' bytes</div>';
}
else
{
$output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_memory_usage')."</div>";
}
$output .= "</fieldset>";
return $output;
}
// --------------------------------------------------------------------
/**
* Run the Profiler
*
* @access private
* @return string
*/
function run()
{
$output = "<div id='codeigniter_profiler' style='clear:both;background-color:#fff;padding:10px;'>";
$output .= $this->_compile_uri_string();
$output .= $this->_compile_controller_info();
$output .= $this->_compile_memory_usage();
$output .= $this->_compile_benchmarks();
$output .= $this->_compile_get();
$output .= $this->_compile_post();
$output .= $this->_compile_queries();
$output .= '</div>';
return $output;
}
}
// END CI_Profiler class
/* End of file Profiler.php */
/* Location: ./system/libraries/Profiler.php */