CI_Profiler Class Reference

List of all members.


Public Member Functions
	CI_Profiler ()
	_compile_benchmarks ()
	Auto Profiler.
	_compile_queries ()
	Compile Queries.
	_compile_get ()
	Compile $_GET Data.
	_compile_post ()
	Compile $_POST Data.
	_compile_uri_string ()
	Show query string.
	_compile_controller_info ()
	Show the controller and function that were called.
	_compile_memory_usage ()
	Compile memory usage.
	run ()
	Run the Profiler.
Public Attributes
	$CI

Detailed Description

Definition at line 33 of file Profiler.php.

Member Function Documentation

CI_Profiler::_compile_benchmarks ( )

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

private

Returns:: array

Definition at line 56 of file Profiler.php.

Referenced by run().

00057         {
00058                 $profile = array();
00059                 foreach ($this->CI->benchmark->marker as $key => $val)
00060                 {
00061                         // We match the "end" marker so that the list ends
00062                         // up in the order that it was defined
00063                         if (preg_match("/(.+?)_end/i", $key, $match))
00064                         {                       
00065                                 if (isset($this->CI->benchmark->marker[$match[1].'_end']) AND isset($this->CI->benchmark->marker[$match[1].'_start']))
00066                                 {
00067                                         $profile[$match[1]] = $this->CI->benchmark->elapsed_time($match[1].'_start', $key);
00068                                 }
00069                         }
00070                 }
00071 
00072                 // Build a table containing the profile data.
00073                 // Note: At some point we should turn this into a template that can
00074                 // be modified.  We also might want to make this data available to be logged
00075         
00076                 $output  = "\n\n";
00077                 $output .= '<fieldset style="border:1px solid #990000;padding:6px 10px 10px 10px;margin:0 0 20px 0;background-color:#eee">';
00078                 $output .= "\n";
00079                 $output .= '<legend style="color:#990000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_benchmarks').'&nbsp;&nbsp;</legend>';
00080                 $output .= "\n";                        
00081                 $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";
00082                 
00083                 foreach ($profile as $key => $val)
00084                 {
00085                         $key = ucwords(str_replace(array('_', '-'), ' ', $key));
00086                         $output .= "<tr><td width='50%' style='color:#000;font-weight:bold;background-color:#ddd;'>".$key."&nbsp;&nbsp;</td><td width='50%' style='color:#990000;font-weight:normal;background-color:#ddd;'>".$val."</td></tr>\n";
00087                 }
00088                 
00089                 $output .= "</table>\n";
00090                 $output .= "</fieldset>";
00091                 
00092                 return $output;
00093         }

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CI_Profiler::_compile_controller_info ( )

Show the controller and function that were called.

private

Returns:: string

Definition at line 315 of file Profiler.php.

Referenced by run().

00316         {       
00317                 $output  = "\n\n";
00318                 $output .= '<fieldset style="border:1px solid #995300;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
00319                 $output .= "\n";
00320                 $output .= '<legend style="color:#995300;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_controller_info').'&nbsp;&nbsp;</legend>';
00321                 $output .= "\n";
00322                 
00323                 $output .= "<div style='color:#995300;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->router->fetch_class()."/".$this->CI->router->fetch_method()."</div>";                                
00324 
00325                 
00326                 $output .= "</fieldset>";
00327 
00328                 return $output; 
00329         }

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CI_Profiler::_compile_get ( )

Compile $_GET Data.

private

Returns:: string

Definition at line 185 of file Profiler.php.

Referenced by run().

00186         {       
00187                 $output  = "\n\n";
00188                 $output .= '<fieldset style="border:1px solid #cd6e00;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
00189                 $output .= "\n";
00190                 $output .= '<legend style="color:#cd6e00;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_get_data').'&nbsp;&nbsp;</legend>';
00191                 $output .= "\n";
00192                                 
00193                 if (count($_GET) == 0)
00194                 {
00195                         $output .= "<div style='color:#cd6e00;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_get')."</div>";
00196                 }
00197                 else
00198                 {
00199                         $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";
00200                 
00201                         foreach ($_GET as $key => $val)
00202                         {
00203                                 if ( ! is_numeric($key))
00204                                 {
00205                                         $key = "'".$key."'";
00206                                 }
00207                         
00208                                 $output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>&#36;_GET[".$key."]&nbsp;&nbsp; </td><td width='50%' style='color:#cd6e00;font-weight:normal;background-color:#ddd;'>";
00209                                 if (is_array($val))
00210                                 {
00211                                         $output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, true))) . "</pre>";
00212                                 }
00213                                 else
00214                                 {
00215                                         $output .= htmlspecialchars(stripslashes($val));
00216                                 }
00217                                 $output .= "</td></tr>\n";
00218                         }
00219                         
00220                         $output .= "</table>\n";
00221                 }
00222                 $output .= "</fieldset>";
00223 
00224                 return $output; 
00225         }

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CI_Profiler::_compile_memory_usage ( )

Compile memory usage.

Display total used memory

public

Returns:: string

Definition at line 340 of file Profiler.php.

Referenced by run().

00341         {
00342                 $output  = "\n\n";
00343                 $output .= '<fieldset style="border:1px solid #5a0099;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
00344                 $output .= "\n";
00345                 $output .= '<legend style="color:#5a0099;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_memory_usage').'&nbsp;&nbsp;</legend>';
00346                 $output .= "\n";
00347                 
00348                 if (function_exists('memory_get_usage') && ($usage = memory_get_usage()) != '')
00349                 {
00350                         $output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".number_format($usage).' bytes</div>';
00351                 }
00352                 else
00353                 {
00354                         $output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_memory_usage')."</div>";                             
00355                 }
00356                 
00357                 $output .= "</fieldset>";
00358 
00359                 return $output;
00360         }

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CI_Profiler::_compile_post ( )

Compile $_POST Data.

private

Returns:: string

Definition at line 235 of file Profiler.php.

Referenced by run().

00236         {       
00237                 $output  = "\n\n";
00238                 $output .= '<fieldset style="border:1px solid #009900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
00239                 $output .= "\n";
00240                 $output .= '<legend style="color:#009900;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_post_data').'&nbsp;&nbsp;</legend>';
00241                 $output .= "\n";
00242                                 
00243                 if (count($_POST) == 0)
00244                 {
00245                         $output .= "<div style='color:#009900;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_post')."</div>";
00246                 }
00247                 else
00248                 {
00249                         $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";
00250                 
00251                         foreach ($_POST as $key => $val)
00252                         {
00253                                 if ( ! is_numeric($key))
00254                                 {
00255                                         $key = "'".$key."'";
00256                                 }
00257                         
00258                                 $output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>&#36;_POST[".$key."]&nbsp;&nbsp; </td><td width='50%' style='color:#009900;font-weight:normal;background-color:#ddd;'>";
00259                                 if (is_array($val))
00260                                 {
00261                                         $output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, true))) . "</pre>";
00262                                 }
00263                                 else
00264                                 {
00265                                         $output .= htmlspecialchars(stripslashes($val));
00266                                 }
00267                                 $output .= "</td></tr>\n";
00268                         }
00269                         
00270                         $output .= "</table>\n";
00271                 }
00272                 $output .= "</fieldset>";
00273 
00274                 return $output; 
00275         }

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CI_Profiler::_compile_queries ( )

Compile Queries.

private

Returns:: string

Definition at line 103 of file Profiler.php.

References $db.

Referenced by run().

00104         {
00105                 $dbs = array();
00106                 
00107                 // Let's determine which databases are currently connected to
00108                 foreach (get_object_vars($this->CI) as $CI_object)
00109                 {
00110                         if ( is_subclass_of(get_class($CI_object), 'CI_DB') )
00111                         {
00112                                 $dbs[] = $CI_object;
00113                         }
00114                 }
00115                                         
00116                 if (count($dbs) == 0)
00117                 {
00118                         $output  = "\n\n";
00119                         $output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
00120                         $output .= "\n";
00121                         $output .= '<legend style="color:#0000FF;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries').'&nbsp;&nbsp;</legend>';
00122                         $output .= "\n";                
00123                         $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";
00124                         $output .="<tr><td width='100%' style='color:#0000FF;font-weight:normal;background-color:#eee;'>".$this->CI->lang->line('profiler_no_db')."</td></tr>\n";
00125                         $output .= "</table>\n";
00126                         $output .= "</fieldset>";
00127                         
00128                         return $output;
00129                 }
00130                 
00131                 // Load the text helper so we can highlight the SQL
00132                 $this->CI->load->helper('text');
00133 
00134                 // Key words we want bolded
00135                 $highlight = array('SELECT', 'DISTINCT', 'FROM', 'WHERE', 'AND', 'LEFT&nbsp;JOIN', 'ORDER&nbsp;BY', 'GROUP&nbsp;BY', 'LIMIT', 'INSERT', 'INTO', 'VALUES', 'UPDATE', 'OR', 'HAVING', 'OFFSET', 'NOT&nbsp;IN', 'IN', 'LIKE', 'NOT&nbsp;LIKE', 'COUNT', 'MAX', 'MIN', 'ON', 'AS', 'AVG', 'SUM', '(', ')');
00136 
00137                 $output  = "\n\n";
00138                         
00139                 foreach ($dbs as $db)
00140                 {
00141                         $output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
00142                         $output .= "\n";
00143                         $output .= '<legend style="color:#0000FF;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_database').':&nbsp; '.$db->database.'&nbsp;&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries').': '.count($this->CI->db->queries).'&nbsp;&nbsp;&nbsp;</legend>';
00144                         $output .= "\n";                
00145                         $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";
00146                 
00147                         if (count($db->queries) == 0)
00148                         {
00149                                 $output .= "<tr><td width='100%' style='color:#0000FF;font-weight:normal;background-color:#eee;'>".$this->CI->lang->line('profiler_no_queries')."</td></tr>\n";
00150                         }
00151                         else
00152                         {                               
00153                                 foreach ($db->queries as $key => $val)
00154                                 {                                       
00155                                         $time = number_format($db->query_times[$key], 4);
00156 
00157                                         $val = highlight_code($val, ENT_QUOTES);
00158         
00159                                         foreach ($highlight as $bold)
00160                                         {
00161                                                 $val = str_replace($bold, '<strong>'.$bold.'</strong>', $val);  
00162                                         }
00163                                         
00164                                         $output .= "<tr><td width='1%' valign='top' style='color:#990000;font-weight:normal;background-color:#ddd;'>".$time."&nbsp;&nbsp;</td><td style='color:#000;font-weight:normal;background-color:#ddd;'>".$val."</td></tr>\n";
00165                                 }
00166                         }
00167                         
00168                         $output .= "</table>\n";
00169                         $output .= "</fieldset>";
00170                         
00171                 }
00172                 
00173                 return $output;
00174         }

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CI_Profiler::_compile_uri_string ( )

Show query string.

private

Returns:: string

Definition at line 285 of file Profiler.php.

Referenced by run().

00286         {       
00287                 $output  = "\n\n";
00288                 $output .= '<fieldset style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
00289                 $output .= "\n";
00290                 $output .= '<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_uri_string').'&nbsp;&nbsp;</legend>';
00291                 $output .= "\n";
00292                 
00293                 if ($this->CI->uri->uri_string == '')
00294                 {
00295                         $output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_uri')."</div>";
00296                 }
00297                 else
00298                 {
00299                         $output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->uri->uri_string."</div>";                               
00300                 }
00301                 
00302                 $output .= "</fieldset>";
00303 
00304                 return $output; 
00305         }

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CI_Profiler::CI_Profiler ( )

Definition at line 37 of file Profiler.php.

References get_instance().

00038         {
00039                 $this->CI =& get_instance();
00040                 $this->CI->load->language('profiler');
00041         }

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CI_Profiler::run ( )

Run the Profiler.

private

Returns:: string

Definition at line 370 of file Profiler.php.

References _compile_benchmarks(), _compile_controller_info(), _compile_get(), _compile_memory_usage(), _compile_post(), _compile_queries(), and _compile_uri_string().

00371         {
00372                 $output = "<div id='codeigniter_profiler' style='clear:both;background-color:#fff;padding:10px;'>";
00373 
00374                 $output .= $this->_compile_uri_string();
00375                 $output .= $this->_compile_controller_info();
00376                 $output .= $this->_compile_memory_usage();
00377                 $output .= $this->_compile_benchmarks();
00378                 $output .= $this->_compile_get();
00379                 $output .= $this->_compile_post();
00380                 $output .= $this->_compile_queries();
00381 
00382                 $output .= '</div>';
00383 
00384                 return $output;
00385         }

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Member Data Documentation

CI_Profiler::$CI

Definition at line 35 of file Profiler.php.

The documentation for this class was generated from the following file:

Profiler.php

CI_Profiler Class Reference

Public Member Functions

Public Attributes

Detailed Description

Member Function Documentation

Member Data Documentation