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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 displayforeach ($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 => $val){// We match the "end" marker so that the list ends// up in the order that it was definedif (preg_match('/(.+?)_end$/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 toforeach (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')).'</pre>': 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')).'</pre>': 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')).'</pre>': 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 => $val){$pre = '';$pre_close = '';if (is_array($val) OR is_object($val)){$val = print_r($val, TRUE);$pre = '<pre>' ;$pre_close = '</pre>';}$output .= '<tr><td style="padding:5px;vertical-align:top;color:#900;background-color:#ddd;">'.$config.' </td><td style="padding:5px;color:#000;background-color:#ddd;">'.$pre.htmlspecialchars($val, ENT_QUOTES, config_item('charset')).$pre_close."</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 => $val){$pre = '';$pre_close = '';if (is_array($val) OR is_object($val)){$val = print_r($val, TRUE);$pre = '<pre>' ;$pre_close = '</pre>';}$output .= '<tr><td style="padding:5px;vertical-align:top;color:#900;background-color:#ddd;">'.$key.' </td><td style="padding:5px;color:#000;background-color:#ddd;">'.$pre.htmlspecialchars($val, ENT_QUOTES, config_item('charset')).$pre_close."</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>';}}