<?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"; $output .= '<legend style="color:#990000;"> '.$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() { $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')) { $output .= '<legend style="color:#0000FF;"> '.$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"; } else { $output .= '<legend style="color:#0000FF;"> '.$this->CI->lang->line('profiler_queries').' ('.count($this->CI->db->queries).') </legend>'; $output .= "\n"; $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n"; if (count($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." </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[".$key."] </td><td width='50%' style='color:#009900;font-weight:normal;background-color:#ddd;'>".htmlspecialchars(stripslashes($val))."</td></tr>\n"; $output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>$_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; } // -------------------------------------------------------------------- /** * 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"; $output .= '<legend style="color:#000;"> '.$this->CI->lang->line('profiler_memory_usage').' </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 ?>