/application/libraries/Profiler.php
PHP | 527 lines | 298 code | 89 blank | 140 comment | 41 complexity | 305c6f5b449b62df9a8e19a038f5a85b MD5 | raw file
- <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
- /**
- * CodeIgniter
- *
- * An open source application development framework for PHP 5.1.6 or newer
- *
- * @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, 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;
- protected $_available_sections = array(
- 'benchmarks',
- 'get',
- 'memory_usage',
- 'post',
- 'uri_string',
- 'controller_info',
- 'queries',
- 'http_headers',
- 'config',
- 'files',
- 'console',
- 'userdata'
- );
- protected $_sections = array(); // Stores _compile_x() results
- // --------------------------------------------------------------------
- public function __construct($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;
- }
- }
-
- // Make sure the Console is loaded.
- if (!class_exists('Console'))
- {
- $this->CI->load->library('Console');
- }
- $this->set_sections($config);
- }
- // --------------------------------------------------------------------
- /**
- * Set Sections
- *
- * Sets the private _compile_* properties to enable/disable Profiler sections
- *
- * @param mixed
- * @return void
- */
- public function set_sections($config)
- {
- foreach ($config as $method => $enable)
- {
- if (in_array($method, $this->_available_sections))
- {
- $this->_compile_{$method} = ($enable !== FALSE) ? TRUE : 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();
- $output = array();
-
- foreach ($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', $key);
- }
- }
- }
- // Build a table containing the profile data.
- // Note: At some point we might want to make this data available to be logged.
- foreach ($profile as $key => $val)
- {
- $key = ucwords(str_replace(array('_', '-'), ' ', $key));
- $output[$key] = $val;
- }
- return $output;
- }
- // --------------------------------------------------------------------
- /**
- * Compile Queries
- *
- * @return string
- */
- protected function _compile_queries()
- {
- $dbs = array();
- $output = array();
- // Let's determine which databases are currently connected to
- foreach (get_object_vars($this->CI) as $CI_object)
- {
- if (is_object($CI_object) && is_subclass_of(get_class($CI_object), 'CI_DB') )
- {
- $dbs[] = $CI_object;
- }
- }
- if (count($dbs) == 0)
- {
- return $this->CI->lang->line('profiler_no_db');
- }
- // Load the text helper so we can highlight the SQL
- $this->CI->load->helper('text');
- // Key words we want bolded
- $highlight = array('SELECT', 'DISTINCT', 'FROM', 'WHERE', 'AND', 'LEFT JOIN', 'ORDER BY', 'GROUP BY', 'LIMIT', 'INSERT', 'INTO', 'VALUES', 'UPDATE', 'OR ', 'HAVING', 'OFFSET', 'NOT IN', 'IN', 'LIKE', 'NOT LIKE', 'COUNT', 'MAX', 'MIN', 'ON', 'AS', 'AVG', 'SUM', '(', ')');
- foreach ($dbs as $db)
- {
- if (count($db->queries) == 0)
- {
- $output = $this->CI->lang->line('profiler_no_queries');
- }
- else
- {
- foreach ($db->queries as $key => $val)
- {
- $time = number_format($db->query_times[$key], 4);
- /*
- $val = highlight_code($val, ENT_QUOTES);
- foreach ($highlight as $bold)
- {
- $val = str_replace($bold, '<strong>'.$bold.'</strong>', $val);
- }
- */
- $output[$time] = $val;
- }
- }
- }
- return $output;
- }
- // --------------------------------------------------------------------
- /**
- * Compile $_GET Data
- *
- * @return string
- */
- protected function _compile_get()
- {
- $output = array();
-
- if (count($_GET) == 0)
- {
- $output = $this->CI->lang->line('profiler_no_get');
- }
- else
- {
- foreach ($_GET as $key => $val)
- {
- if ( ! is_numeric($key))
- {
- $key = "'".$key."'";
- }
- $output .= "<tr><td style='width:50%;color:#000;background-color:#ddd;padding:5px'>$_GET[".$key."] </td><td style='width:50%;padding:5px;color:#cd6e00;font-weight:normal;background-color:#ddd;'>";
- if (is_array($val))
- {
- $output['$_GET['. $key .']'] = "<pre>" . htmlspecialchars(stripslashes(print_r($val, true))) . "</pre>";
- }
- else
- {
- $output['$_GET['. $key .']'] = htmlspecialchars(stripslashes($val));
- }
- }
- }
- return $output;
- }
- // --------------------------------------------------------------------
- /**
- * Compile $_POST Data
- *
- * @return string
- */
- protected function _compile_post()
- {
- $output = array();
-
- if (count($_POST) == 0)
- {
- $output = $this->CI->lang->line('profiler_no_post');
- }
- else
- {
- foreach ($_POST as $key => $val)
- {
- if ( ! is_numeric($key))
- {
- $key = "'".$key."'";
- }
- if (is_array($val))
- {
- $output['$_POST['. $key .']'] = '<pre>'. htmlspecialchars(stripslashes(print_r($val, TRUE))) . '</pre>';
- }
- else
- {
- $output['$_POST['. $key .']'] = htmlspecialchars(stripslashes($val));
- }
- }
- }
- return $output;
- }
- // --------------------------------------------------------------------
- /**
- * Show query string
- *
- * @return string
- */
- protected function _compile_uri_string()
- {
- if ($this->CI->uri->uri_string == '')
- {
- $output = $this->CI->lang->line('profiler_no_uri');
- }
- else
- {
- $output = $this->CI->uri->uri_string;
- }
- return $output;
- }
- // --------------------------------------------------------------------
- /**
- * Show the controller and function that were called
- *
- * @return string
- */
- protected function _compile_controller_info()
- {
- $output = $this->CI->router->fetch_class()."/".$this->CI->router->fetch_method();
- return $output;
- }
- // --------------------------------------------------------------------
- /**
- * Compile memory usage
- *
- * Display total used memory
- *
- * @return string
- */
- protected function _compile_memory_usage()
- {
- if (function_exists('memory_get_usage') && ($usage = memory_get_usage()) != '')
- {
- $output = number_format($usage) .' bytes';
- }
- else
- {
- $output = $this->CI->lang->line('profiler_no_memory_usage');
- }
- return $output;
- }
- // --------------------------------------------------------------------
- /**
- * Compile header information
- *
- * Lists HTTP headers
- *
- * @return string
- */
- protected function _compile_http_headers()
- {
- $output = array();
- 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') as $header)
- {
- $val = (isset($_SERVER[$header])) ? $_SERVER[$header] : '';
- $output[$header] = $val;
- }
- return $output;
- }
- // --------------------------------------------------------------------
- /**
- * Compile config information
- *
- * Lists developer config variables
- *
- * @return string
- */
- protected function _compile_config()
- {
- $output = array();
- foreach ($this->CI->config->config as $config=>$val)
- {
- if (is_array($val))
- {
- $val = print_r($val, TRUE);
- }
- $output[$config] = htmlspecialchars($val);
- }
- return $output;
- }
- // --------------------------------------------------------------------
- public function _compile_files()
- {
- $files = get_included_files();
-
- sort($files);
-
- return $files;
- }
-
- //--------------------------------------------------------------------
-
- public function _compile_console()
- {
- $logs = Console::get_logs();
-
- if ($logs['console'])
- {
- foreach ($logs['console'] as $key => $log)
- {
- if ($log['type'] == 'log')
- {
- $logs['console'][$key]['data'] = print_r($log['data'], true);
- }
- elseif ($log['type'] == 'memory')
- {
- $logs['console'][$key]['data'] = $this->get_file_size($log['data']);
- }
- }
- }
-
- //echo '<pre>'; print_r($logs); echo '</pre>';
-
- return $logs;
- }
-
- //--------------------------------------------------------------------
-
- function _compile_userdata()
- {
- $output = array();
-
- $compiled_userdata = $this->CI->session->all_userdata();
-
- if (count($compiled_userdata))
- {
- foreach ($compiled_userdata as $key => $val)
- {
- if (is_numeric($key))
- {
- $output[$key] = "'$val'";
- }
-
- if (is_array($val))
- {
- $output[$key] = htmlspecialchars(stripslashes(print_r($val, true)));
- }
- else
- {
- $output[$key] = htmlspecialchars(stripslashes($val));
- }
- }
- }
-
- return $output;
- }
-
- //--------------------------------------------------------------------
-
- public static function get_file_size($size, $retstring = null) {
- // adapted from code at http://aidanlister.com/repos/v/function.size_readable.php
- $sizes = array('bytes', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB');
- if ($retstring === null) { $retstring = '%01.2f %s'; }
- $lastsizestring = end($sizes);
- foreach ($sizes as $sizestring) {
- if ($size < 1024) { break; }
- if ($sizestring != $lastsizestring) { $size /= 1024; }
- }
- if ($sizestring == $sizes[0]) { $retstring = '%01d %s'; } // Bytes aren't normally fractional
- return sprintf($retstring, $size, $sizestring);
- }
-
- //--------------------------------------------------------------------
- /**
- * Run the Profiler
- *
- * @return string
- */
- public function run()
- {
- $this->CI->load->helper('language');
-
- $fields_displayed = 0;
- foreach ($this->_available_sections as $section)
- {
- if ($this->_compile_{$section} !== FALSE)
- {
- $func = "_compile_{$section}";
- $this->_sections[$section] = $this->{$func}();
- $fields_displayed++;
- }
- }
- // Has the user created an override in application/views?
- if (is_file(APPPATH .'views/profiler_template'.EXT))
- {
- $output = $this->CI->load->view('profiler_template', array('sections' => $this->_sections), true);
- }
- else
- {
- // Load the view from system/views
- $orig_view_path = $this->CI->load->_ci_view_path;
- $this->CI->load->_ci_view_path = BASEPATH .'views/';
- //echo $this->CI->load->_ci_view_path;
- $output = $this->CI->load->_ci_load(array(
- '_ci_view' => 'profiler_template',
- '_ci_vars' => array('sections' => $this->_sections),
- '_ci_return' => true,
- ));
-
- $this->CI->load->_ci_view_path = $orig_view_path;
- }
-
- return $output;
- }
- }
- // END CI_Profiler class
- //--------------------------------------------------------------------
- /* End of file Profiler.php */
- /* Location: ./system/libraries/Profiler.php */