CodeIgniter installed
[living-lab-site.git] / system / libraries / Profiler.php
diff --git a/system/libraries/Profiler.php b/system/libraries/Profiler.php
new file mode 100755 (executable)
index 0000000..8a1f18c
--- /dev/null
@@ -0,0 +1,502 @@
+<?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 $_available_sections = array(
+                                                                               'benchmarks',
+                                                                               'get',
+                                                                               'memory_usage',
+                                                                               'post',
+                                                                               'uri_string',
+                                                                               'controller_info',
+                                                                               'queries',
+                                                                               'http_headers',
+                                                                               'config'
+                                                                               );
+
+       public function __construct($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);
+       }
+
+       // --------------------------------------------------------------------
+
+       /**
+        * 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()
+       {
+               $profile = array();
+               foreach ($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 id="ci_profiler_benchmarks" style="border:1px solid #900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+               $output .= "\n";
+               $output .= '<legend style="color:#900;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_benchmarks').'&nbsp;&nbsp;</legend>';
+               $output .= "\n";
+               $output .= "\n\n<table style='width:100%'>\n";
+
+               foreach ($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";
+               }
+
+               $output .= "</table>\n";
+               $output .= "</fieldset>";
+
+               return $output;
+       }
+
+       // --------------------------------------------------------------------
+
+       /**
+        * 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 $CI_object)
+               {
+                       if (is_object($CI_object) && is_subclass_of(get_class($CI_object), 'CI_DB') )
+                       {
+                               $dbs[] = $CI_object;
+                       }
+               }
+
+               if (count($dbs) == 0)
+               {
+                       $output  = "\n\n";
+                       $output .= '<fieldset id="ci_profiler_queries" style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+                       $output .= "\n";
+                       $output .= '<legend style="color:#0000FF;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries').'&nbsp;&nbsp;</legend>';
+                       $output .= "\n";
+                       $output .= "\n\n<table style='border:none; width:100%'>\n";
+                       $output .="<tr><td style='width:100%;color:#0000FF;font-weight:normal;background-color:#eee;padding:5px'>".$this->CI->lang->line('profiler_no_db')."</td></tr>\n";
+                       $output .= "</table>\n";
+                       $output .= "</fieldset>";
+
+                       return $output;
+               }
+
+               // 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&nbsp;JOIN', 'ORDER&nbsp;BY', 'GROUP&nbsp;BY', 'LIMIT', 'INSERT', 'INTO', 'VALUES', 'UPDATE', 'OR&nbsp;', 'HAVING', 'OFFSET', 'NOT&nbsp;IN', 'IN', 'LIKE', 'NOT&nbsp;LIKE', 'COUNT', 'MAX', 'MIN', 'ON', 'AS', 'AVG', 'SUM', '(', ')');
+
+               $output  = "\n\n";
+
+               foreach ($dbs as $db)
+               {
+                       $output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+                       $output .= "\n";
+                       $output .= '<legend style="color:#0000FF;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_database').':&nbsp; '.$db->database.'&nbsp;&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries').': '.count($db->queries).'&nbsp;&nbsp;&nbsp;</legend>';
+                       $output .= "\n";
+                       $output .= "\n\n<table style='width:100%;'>\n";
+
+                       if (count($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, ENT_QUOTES);
+
+                                       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";
+                       $output .= "</fieldset>";
+
+               }
+
+               return $output;
+       }
+
+
+       // --------------------------------------------------------------------
+
+       /**
+        * Compile $_GET Data
+        *
+        * @return      string
+        */
+       protected function _compile_get()
+       {
+               $output  = "\n\n";
+               $output .= '<fieldset id="ci_profiler_get" style="border:1px solid #cd6e00;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+               $output .= "\n";
+               $output .= '<legend style="color:#cd6e00;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_get_data').'&nbsp;&nbsp;</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
+               {
+                       $output .= "\n\n<table style='width:100%; border:none'>\n";
+
+                       foreach ($_GET as $key => $val)
+                       {
+                               if ( ! is_numeric($key))
+                               {
+                                       $key = "'".$key."'";
+                               }
+
+                               $output .= "<tr><td style='width:50%;color:#000;background-color:#ddd;padding:5px'>&#36;_GET[".$key."]&nbsp;&nbsp; </td><td style='width:50%;padding:5px;color:#cd6e00;font-weight:normal;background-color:#ddd;'>";
+                               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
+        *
+        * @return      string
+        */
+       protected function _compile_post()
+       {
+               $output  = "\n\n";
+               $output .= '<fieldset id="ci_profiler_post" style="border:1px solid #009900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+               $output .= "\n";
+               $output .= '<legend style="color:#009900;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_post_data').'&nbsp;&nbsp;</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
+               {
+                       $output .= "\n\n<table style='width:100%'>\n";
+
+                       foreach ($_POST as $key => $val)
+                       {
+                               if ( ! is_numeric($key))
+                               {
+                                       $key = "'".$key."'";
+                               }
+
+                               $output .= "<tr><td style='width:50%;padding:5px;color:#000;background-color:#ddd;'>&#36;_POST[".$key."]&nbsp;&nbsp; </td><td style='width:50%;padding:5px;color:#009900;font-weight:normal;background-color:#ddd;'>";
+                               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
+        *
+        * @return      string
+        */
+       protected function _compile_uri_string()
+       {
+               $output  = "\n\n";
+               $output .= '<fieldset id="ci_profiler_uri_string" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+               $output .= "\n";
+               $output .= '<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_uri_string').'&nbsp;&nbsp;</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;
+       }
+
+       // --------------------------------------------------------------------
+
+       /**
+        * Show the controller and function that were called
+        *
+        * @return      string
+        */
+       protected function _compile_controller_info()
+       {
+               $output  = "\n\n";
+               $output .= '<fieldset id="ci_profiler_controller_info" style="border:1px solid #995300;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+               $output .= "\n";
+               $output .= '<legend style="color:#995300;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_controller_info').'&nbsp;&nbsp;</legend>';
+               $output .= "\n";
+
+               $output .= "<div style='color:#995300;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->router->fetch_class()."/".$this->CI->router->fetch_method()."</div>";
+
+               $output .= "</fieldset>";
+
+               return $output;
+       }
+
+       // --------------------------------------------------------------------
+
+       /**
+        * Compile memory usage
+        *
+        * Display total used memory
+        *
+        * @return      string
+        */
+       protected function _compile_memory_usage()
+       {
+               $output  = "\n\n";
+               $output .= '<fieldset id="ci_profiler_memory_usage" style="border:1px solid #5a0099;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+               $output .= "\n";
+               $output .= '<legend style="color:#5a0099;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_memory_usage').'&nbsp;&nbsp;</legend>';
+               $output .= "\n";
+
+               if (function_exists('memory_get_usage') && ($usage = memory_get_usage()) != '')
+               {
+                       $output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".number_format($usage).' bytes</div>';
+               }
+               else
+               {
+                       $output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_memory_usage')."</div>";
+               }
+
+               $output .= "</fieldset>";
+
+               return $output;
+       }
+
+       // --------------------------------------------------------------------
+
+       /**
+        * Compile header information
+        *
+        * Lists HTTP headers
+        *
+        * @return      string
+        */
+       protected function _compile_http_headers()
+       {
+               $output  = "\n\n";
+               $output .= '<fieldset id="ci_profiler_http_headers" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+               $output .= "\n";
+               $output .= '<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_headers').'&nbsp;&nbsp;</legend>';
+               $output .= "\n";
+
+               $output .= "\n\n<table style='width:100%'>\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') as $header)
+               {
+                       $val = (isset($_SERVER[$header])) ? $_SERVER[$header] : '';
+                       $output .= "<tr><td style='vertical-align: top;width:50%;padding:5px;color:#900;background-color:#ddd;'>".$header."&nbsp;&nbsp;</td><td style='width:50%;padding:5px;color:#000;background-color:#ddd;'>".$val."</td></tr>\n";
+               }
+
+               $output .= "</table>\n";
+               $output .= "</fieldset>";
+
+               return $output;
+       }
+
+       // --------------------------------------------------------------------
+
+       /**
+        * Compile config information
+        *
+        * Lists developer config variables
+        *
+        * @return      string
+        */
+       protected function _compile_config()
+       {
+               $output  = "\n\n";
+               $output .= '<fieldset id="ci_profiler_config" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+               $output .= "\n";
+               $output .= '<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_config').'&nbsp;&nbsp;</legend>';
+               $output .= "\n";
+
+               $output .= "\n\n<table style='width:100%'>\n";
+
+               foreach ($this->CI->config->config as $config=>$val)
+               {
+                       if (is_array($val))
+                       {
+                               $val = print_r($val, TRUE);
+                       }
+
+                       $output .= "<tr><td style='padding:5px; vertical-align: top;color:#900;background-color:#ddd;'>".$config."&nbsp;&nbsp;</td><td style='padding:5px; color:#000;background-color:#ddd;'>".htmlspecialchars($val)."</td></tr>\n";
+               }
+
+               $output .= "</table>\n";
+               $output .= "</fieldset>";
+
+               return $output;
+       }
+
+       // --------------------------------------------------------------------
+
+       /**
+        * 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>';
+               }
+
+               $output .= '</div>';
+
+               return $output;
+       }
+
+}
+
+// END CI_Profiler class
+
+/* End of file Profiler.php */
+/* Location: ./system/libraries/Profiler.php */
\ No newline at end of file