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Profiler.php
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<?php /** * CodeIgniter * * An open source application development framework for PHP * * This content is released under the MIT License (MIT) * * Copyright (c) 2014 - 2017, British Columbia Institute of Technology * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * @package CodeIgniter * @author EllisLab Dev Team * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/) * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/) * @license http://opensource.org/licenses/MIT MIT License * @link https://codeigniter.com * @since Version 1.0.0 * @filesource */ defined('BASEPATH') OR exit('No direct script access allowed'); /** * 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 EllisLab Dev Team * @link https://codeigniter.com/user_guide/general/profiling.html */ class CI_Profiler { /** * List of profiler sections available to show * * @var array */ protected $_available_sections = array( 'benchmarks', 'get', 'memory_usage', 'post', 'uri_string', 'controller_info', 'queries', 'http_headers', 'session_data', 'config' ); /** * Number of queries to show before making the additional queries togglable * * @var int */ protected $_query_toggle_count = 25; /** * Reference to the CodeIgniter singleton * * @var object */ protected $CI; // -------------------------------------------------------------------- /** * Class constructor * * Initialize Profiler * * @param array $config Parameters */ public function __construct($config = array()) { $this->CI =& get_instance(); $this->CI->load->language('profiler'); // default all sections to display foreach ($this->_available_sections as $section) { if ( ! isset($config[$section])) { $this->_compile_{$section} = TRUE; } } $this->set_sections($config); log_message('info', 'Profiler Class Initialized'); } // -------------------------------------------------------------------- /** * Set Sections * * Sets the private _compile_* properties to enable/disable Profiler sections * * @param mixed $config * @return void */ public function set_sections($config) { if (isset($config['query_toggle_count'])) { $this->_query_toggle_count = (int) $config['query_toggle_count']; unset($config['query_toggle_count']); } foreach ($config as $method => $enable) { if (in_array($method, $this->_available_sections)) { $this->_compile_{$method} = ($enable !== FALSE); } } } // -------------------------------------------------------------------- /** * 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 * * @return array */ protected 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, $match) && isset($this->CI->benchmark->marker[$match[1].'_end'], $this->CI->benchmark->marker[$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 $output = "\n\n" .'<fieldset id="ci_profiler_benchmarks" style="border:1px solid #900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">' ."\n" .'<legend style="color:#900;"> '.$this->CI->lang->line('profiler_benchmarks')." </legend>" ."\n\n\n<table style=\"width:100%;\">\n"; foreach ($profile as $key => $val) { $key = ucwords(str_replace(array('_', '-'), ' ', $key)); $output .= '<tr><td style="padding:5px;width:50%;color:#000;font-weight:bold;background-color:#ddd;">' .$key.' </td><td style="padding:5px;width:50%;color:#900;font-weight:normal;background-color:#ddd;">' .$val."</td></tr>\n"; } return $output."</table>\n</fieldset>"; } // -------------------------------------------------------------------- /** * Compile Queries * * @return string */ protected function _compile_queries() { $dbs = array(); // Let's determine which databases are currently connected to foreach (get_object_vars($this->CI) as $name => $cobject) { if (is_object($cobject)) { if ($cobject instanceof CI_DB) { $dbs[get_class($this->CI).':$'.$name] = $cobject; } elseif ($cobject instanceof CI_Model) { foreach (get_object_vars($cobject) as $mname => $mobject) { if ($mobject instanceof CI_DB) { $dbs[get_class($cobject).':$'.$mname] = $mobject; } } } } } if (count($dbs) === 0) { return "\n\n" .'<fieldset id="ci_profiler_queries" style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">' ."\n" .'<legend style="color:#0000FF;"> '.$this->CI->lang->line('profiler_queries').' </legend>' ."\n\n\n<table style=\"border:none; width:100%;\">\n" .'<tr><td style="width:100%;color:#0000FF;font-weight:normal;background-color:#eee;padding:5px;">' .$this->CI->lang->line('profiler_no_db') ."</td></tr>\n</table>\n</fieldset>"; } // 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"; $count = 0; foreach ($dbs as $name => $db) { $hide_queries = (count($db->queries) > $this->_query_toggle_count) ? ' display:none' : ''; $total_time = number_format(array_sum($db->query_times), 4).' '.$this->CI->lang->line('profiler_seconds'); $show_hide_js = '(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_queries_db_'.$count.'\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_hide').'\'?\''.$this->CI->lang->line('profiler_section_show').'\':\''.$this->CI->lang->line('profiler_section_hide').'\';">'.$this->CI->lang->line('profiler_section_hide').'</span>)'; if ($hide_queries !== '') { $show_hide_js = '(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_queries_db_'.$count.'\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show').'</span>)'; } $output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">' ."\n" .'<legend style="color:#0000FF;"> '.$this->CI->lang->line('profiler_database') .': '.$db->database.' ('.$name.') '.$this->CI->lang->line('profiler_queries') .': '.count($db->queries).' ('.$total_time.') '.$show_hide_js."</legend>\n\n\n" .'<table style="width:100%;'.$hide_queries.'" id="ci_profiler_queries_db_'.$count."\">\n"; if (count($db->queries) === 0) { $output .= '<tr><td style="width:100%;color:#0000FF;font-weight:normal;background-color:#eee;padding:5px;">' .$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); foreach ($highlight as $bold) { $val = str_replace($bold, '<strong>'.$bold.'</strong>', $val); } $output .= '<tr><td style="padding:5px;vertical-align:top;width:1%;color:#900;font-weight:normal;background-color:#ddd;">' .$time.' </td><td style="padding:5px;color:#000;font-weight:normal;background-color:#ddd;">' .$val."</td></tr>\n"; } } $output .= "</table>\n</fieldset>"; $count++; } return $output; } // -------------------------------------------------------------------- /** * Compile $_GET Data * * @return string */ protected function _compile_get() { $output = "\n\n" .'<fieldset id="ci_profiler_get" style="border:1px solid #cd6e00;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">' ."\n" .'<legend style="color:#cd6e00;"> '.$this->CI->lang->line('profiler_get_data')." </legend>\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 { $output .= "\n\n<table style=\"width:100%;border:none;\">\n"; foreach ($_GET as $key => $val) { is_int($key) OR $key = "'".htmlspecialchars($key, ENT_QUOTES, config_item('charset'))."'"; $val = (is_array($val) OR is_object($val)) ? '<pre>'.htmlspecialchars(print_r($val, TRUE), ENT_QUOTES, config_item('charset')) : htmlspecialchars($val, ENT_QUOTES, config_item('charset')); $output .= '<tr><td style="width:50%;color:#000;background-color:#ddd;padding:5px;">$_GET[' .$key.'] </td><td style="width:50%;padding:5px;color:#cd6e00;font-weight:normal;background-color:#ddd;">' .$val."</td></tr>\n"; } $output .= "</table>\n"; } return $output.'</fieldset>'; } // -------------------------------------------------------------------- /** * Compile $_POST Data * * @return string */ protected function _compile_post() { $output = "\n\n" .'<fieldset id="ci_profiler_post" style="border:1px solid #009900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">' ."\n" .'<legend style="color:#009900;"> '.$this->CI->lang->line('profiler_post_data')." </legend>\n"; if (count($_POST) === 0 && count($_FILES) === 0) { $output .= '<div style="color:#009900;font-weight:normal;padding:4px 0 4px 0;">'.$this->CI->lang->line('profiler_no_post').'</div>'; } else { $output .= "\n\n<table style=\"width:100%;\">\n"; foreach ($_POST as $key => $val) { is_int($key) OR $key = "'".htmlspecialchars($key, ENT_QUOTES, config_item('charset'))."'"; $val = (is_array($val) OR is_object($val)) ? '<pre>'.htmlspecialchars(print_r($val, TRUE), ENT_QUOTES, config_item('charset')) : htmlspecialchars($val, ENT_QUOTES, config_item('charset')); $output .= '<tr><td style="width:50%;padding:5px;color:#000;background-color:#ddd;">$_POST[' .$key.'] </td><td style="width:50%;padding:5px;color:#009900;font-weight:normal;background-color:#ddd;">' .$val."</td></tr>\n"; } foreach ($_FILES as $key => $val) { is_int($key) OR $key = "'".htmlspecialchars($key, ENT_QUOTES, config_item('charset'))."'"; $val = (is_array($val) OR is_object($val)) ? '<pre>'.htmlspecialchars(print_r($val, TRUE), ENT_QUOTES, config_item('charset')) : htmlspecialchars($val, ENT_QUOTES, config_item('charset')); $output .= '<tr><td style="width:50%;padding:5px;color:#000;background-color:#ddd;">$_FILES[' .$key.'] </td><td style="width:50%;padding:5px;color:#009900;font-weight:normal;background-color:#ddd;">' .$val."</td></tr>\n"; } $output .= "</table>\n"; } return $output.'</fieldset>'; } // -------------------------------------------------------------------- /** * Show query string * * @return string */ protected function _compile_uri_string() { return "\n\n" .'<fieldset id="ci_profiler_uri_string" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">' ."\n" .'<legend style="color:#000;"> '.$this->CI->lang->line('profiler_uri_string')." </legend>\n" .'<div style="color:#000;font-weight:normal;padding:4px 0 4px 0;">' .($this->CI->uri->uri_string === '' ? $this->CI->lang->line('profiler_no_uri') : $this->CI->uri->uri_string) .'</div></fieldset>'; } // -------------------------------------------------------------------- /** * Show the controller and function that were called * * @return string */ protected function _compile_controller_info() { return "\n\n" .'<fieldset id="ci_profiler_controller_info" style="border:1px solid #995300;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">' ."\n" .'<legend style="color:#995300;"> '.$this->CI->lang->line('profiler_controller_info')." </legend>\n" .'<div style="color:#995300;font-weight:normal;padding:4px 0 4px 0;">'.$this->CI->router->class.'/'.$this->CI->router->method .'</div></fieldset>'; } // -------------------------------------------------------------------- /** * Compile memory usage * * Display total used memory * * @return string */ protected function _compile_memory_usage() { return "\n\n" .'<fieldset id="ci_profiler_memory_usage" style="border:1px solid #5a0099;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">' ."\n" .'<legend style="color:#5a0099;"> '.$this->CI->lang->line('profiler_memory_usage')." </legend>\n" .'<div style="color:#5a0099;font-weight:normal;padding:4px 0 4px 0;">' .(($usage = memory_get_usage()) != '' ? number_format($usage).' bytes' : $this->CI->lang->line('profiler_no_memory')) .'</div></fieldset>'; } // -------------------------------------------------------------------- /** * Compile header information * * Lists HTTP headers * * @return string */ protected function _compile_http_headers() { $output = "\n\n" .'<fieldset id="ci_profiler_http_headers" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">' ."\n" .'<legend style="color:#000;"> '.$this->CI->lang->line('profiler_headers') .' (<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_httpheaders_table\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show')."</span>)</legend>\n\n\n" .'<table style="width:100%;display:none;" id="ci_profiler_httpheaders_table">'."\n"; foreach (array('HTTP_ACCEPT', 'HTTP_USER_AGENT', 'HTTP_CONNECTION', 'SERVER_PORT', 'SERVER_NAME', 'REMOTE_ADDR', 'SERVER_SOFTWARE', 'HTTP_ACCEPT_LANGUAGE', 'SCRIPT_NAME', 'REQUEST_METHOD',' HTTP_HOST', 'REMOTE_HOST', 'CONTENT_TYPE', 'SERVER_PROTOCOL', 'QUERY_STRING', 'HTTP_ACCEPT_ENCODING', 'HTTP_X_FORWARDED_FOR', 'HTTP_DNT') as $header) { $val = isset($_SERVER[$header]) ? htmlspecialchars($_SERVER[$header], ENT_QUOTES, config_item('charset')) : ''; $output .= '<tr><td style="vertical-align:top;width:50%;padding:5px;color:#900;background-color:#ddd;">' .$header.' </td><td style="width:50%;padding:5px;color:#000;background-color:#ddd;">'.$val."</td></tr>\n"; } return $output."</table>\n</fieldset>"; } // -------------------------------------------------------------------- /** * Compile config information * * Lists developer config variables * * @return string */ protected function _compile_config() { $output = "\n\n" .'<fieldset id="ci_profiler_config" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">' ."\n" .'<legend style="color:#000;"> '.$this->CI->lang->line('profiler_config').' (<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_config_table\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show')."</span>)</legend>\n\n\n" .'<table style="width:100%;display:none;" id="ci_profiler_config_table">'."\n"; foreach ($this->CI->config->config as $config => $val) { if (is_array($val) OR is_object($val)) { $val = print_r($val, TRUE); } $output .= '<tr><td style="padding:5px;vertical-align:top;color:#900;background-color:#ddd;">' .$config.' </td><td style="padding:5px;color:#000;background-color:#ddd;">'.htmlspecialchars($val)."</td></tr>\n"; } return $output."</table>\n</fieldset>"; } // -------------------------------------------------------------------- /** * Compile session userdata * * @return string */ protected function _compile_session_data() { if ( ! isset($this->CI->session)) { return; } $output = '<fieldset id="ci_profiler_csession" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">' .'<legend style="color:#000;"> '.$this->CI->lang->line('profiler_session_data').' (<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_session_data\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show').'</span>)</legend>' .'<table style="width:100%;display:none;" id="ci_profiler_session_data">'; foreach ($this->CI->session->userdata() as $key => $val) { if (is_array($val) OR is_object($val)) { $val = print_r($val, TRUE); } $output .= '<tr><td style="padding:5px;vertical-align:top;color:#900;background-color:#ddd;">' .$key.' </td><td style="padding:5px;color:#000;background-color:#ddd;">'.htmlspecialchars($val)."</td></tr>\n"; } return $output."</table>\n</fieldset>"; } // -------------------------------------------------------------------- /** * Run the Profiler * * @return string */ public function run() { $output = '<div id="codeigniter_profiler" style="clear:both;background-color:#fff;padding:10px;">'; $fields_displayed = 0; foreach ($this->_available_sections as $section) { if ($this->_compile_{$section} !== FALSE) { $func = '_compile_'.$section; $output .= $this->{$func}(); $fields_displayed++; } } if ($fields_displayed === 0) { $output .= '<p style="border:1px solid #5a0099;padding:10px;margin:20px 0;background-color:#eee;">' .$this->CI->lang->line('profiler_no_profiles').'</p>'; } return $output.'</div>'; } }
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