blob: 807c1aff60cf9deb7763c4c61c313a60507fdb27 [file] [log] [blame]
<?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
?>