Subversion-Projekte lars-tiefland.ci

<?php

/**

 * CodeIgniter

 *

 * An open source application development framework for PHP

 *

 * This content is released under the MIT License (MIT)

 *

 * Copyright (c) 2014 - 2019, 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 - 2019, British Columbia Institute of Technology (https://bcit.ca/)

 * @license	https://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;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_benchmarks')."&nbsp;&nbsp;</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.'&nbsp;&nbsp;</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;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries').'&nbsp;&nbsp;</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;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_database')

				.':  '.$db->database.' ('.$name.')   '.$this->CI->lang->line('profiler_queries')

				.': '.count($db->queries).' ('.$total_time.')&nbsp;&nbsp;'.$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.'&nbsp;&nbsp;</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;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_get_data')."&nbsp;&nbsp;</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;">&#36;_GET['

					.$key.']&nbsp;&nbsp; </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;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_post_data')."&nbsp;&nbsp;</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;">&#36;_POST['

					.$key.']&nbsp;&nbsp; </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;">&#36;_FILES['

					.$key.']&nbsp;&nbsp; </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;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_uri_string')."&nbsp;&nbsp;</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;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_controller_info')."&nbsp;&nbsp;</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;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_memory_usage')."&nbsp;&nbsp;</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;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_headers')

			.'&nbsp;&nbsp;(<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;">'

				.$header.'&nbsp;&nbsp;</td><td style="width:50%;padding:5px;color:#000;background-color:#ddd;">'.$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;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_config').'&nbsp;&nbsp;(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_config_table\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$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;">'

				.$config.'&nbsp;&nbsp;</td><td style="padding:5px;color:#000;background-color:#ddd;">'.$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;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_session_data').'&nbsp;&nbsp;(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_session_data\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$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;">'

				.$key.'&nbsp;&nbsp;</td><td style="padding:5px;color:#000;background-color:#ddd;">'.$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>';

	}

}