/halogy/libraries/Profiler.php
PHP | 392 lines | 224 code | 65 blank | 103 comment | 22 complexity | 038d469be8664e441223abbe9a941cb4 MD5 | raw file
1<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); 2/** 3 * CodeIgniter 4 * 5 * An open source application development framework for PHP 4.3.2 or newer 6 * 7 * @package CodeIgniter 8 * @author ExpressionEngine Dev Team 9 * @copyright Copyright (c) 2008 - 2009, EllisLab, Inc. 10 * @license http://codeigniter.com/user_guide/license.html 11 * @link http://codeigniter.com 12 * @since Version 1.0 13 * @filesource 14 */ 15 16// ------------------------------------------------------------------------ 17 18/** 19 * CodeIgniter Profiler Class 20 * 21 * This class enables you to display benchmark, query, and other data 22 * in order to help with debugging and optimization. 23 * 24 * Note: At some point it would be good to move all the HTML in this class 25 * into a set of template files in order to allow customization. 26 * 27 * @package CodeIgniter 28 * @subpackage Libraries 29 * @category Libraries 30 * @author ExpressionEngine Dev Team 31 * @link http://codeigniter.com/user_guide/general/profiling.html 32 */ 33class CI_Profiler { 34 35 var $CI; 36 37 function CI_Profiler() 38 { 39 $this->CI =& get_instance(); 40 $this->CI->load->language('profiler'); 41 } 42 43 // -------------------------------------------------------------------- 44 45 /** 46 * Auto Profiler 47 * 48 * This function cycles through the entire array of mark points and 49 * matches any two points that are named identically (ending in "_start" 50 * and "_end" respectively). It then compiles the execution times for 51 * all points and returns it as an array 52 * 53 * @access private 54 * @return array 55 */ 56 function _compile_benchmarks() 57 { 58 $profile = array(); 59 foreach ($this->CI->benchmark->marker as $key => $val) 60 { 61 // We match the "end" marker so that the list ends 62 // up in the order that it was defined 63 if (preg_match("/(.+?)_end/i", $key, $match)) 64 { 65 if (isset($this->CI->benchmark->marker[$match[1].'_end']) AND isset($this->CI->benchmark->marker[$match[1].'_start'])) 66 { 67 $profile[$match[1]] = $this->CI->benchmark->elapsed_time($match[1].'_start', $key); 68 } 69 } 70 } 71 72 // Build a table containing the profile data. 73 // Note: At some point we should turn this into a template that can 74 // be modified. We also might want to make this data available to be logged 75 76 $output = "\n\n"; 77 $output .= '<fieldset style="border:1px solid #990000;padding:6px 10px 10px 10px;margin:0 0 20px 0;background-color:#eee">'; 78 $output .= "\n"; 79 $output .= '<legend style="color:#990000;"> '.$this->CI->lang->line('profiler_benchmarks').' </legend>'; 80 $output .= "\n"; 81 $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n"; 82 83 foreach ($profile as $key => $val) 84 { 85 $key = ucwords(str_replace(array('_', '-'), ' ', $key)); 86 $output .= "<tr><td width='50%' style='color:#000;font-weight:bold;background-color:#ddd;'>".$key." </td><td width='50%' style='color:#990000;font-weight:normal;background-color:#ddd;'>".$val."</td></tr>\n"; 87 } 88 89 $output .= "</table>\n"; 90 $output .= "</fieldset>"; 91 92 return $output; 93 } 94 95 // -------------------------------------------------------------------- 96 97 /** 98 * Compile Queries 99 * 100 * @access private 101 * @return string 102 */ 103 function _compile_queries() 104 { 105 $dbs = array(); 106 107 // Let's determine which databases are currently connected to 108 foreach (get_object_vars($this->CI) as $CI_object) 109 { 110 if (is_object($CI_object) && is_subclass_of(get_class($CI_object), 'CI_DB') ) 111 { 112 $dbs[] = $CI_object; 113 } 114 } 115 116 if (count($dbs) == 0) 117 { 118 $output = "\n\n"; 119 $output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">'; 120 $output .= "\n"; 121 $output .= '<legend style="color:#0000FF;"> '.$this->CI->lang->line('profiler_queries').' </legend>'; 122 $output .= "\n"; 123 $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n"; 124 $output .="<tr><td width='100%' style='color:#0000FF;font-weight:normal;background-color:#eee;'>".$this->CI->lang->line('profiler_no_db')."</td></tr>\n"; 125 $output .= "</table>\n"; 126 $output .= "</fieldset>"; 127 128 return $output; 129 } 130 131 // Load the text helper so we can highlight the SQL 132 $this->CI->load->helper('text'); 133 134 // Key words we want bolded 135 $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', '(', ')'); 136 137 $output = "\n\n"; 138 139 foreach ($dbs as $db) 140 { 141 $output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">'; 142 $output .= "\n"; 143 $output .= '<legend style="color:#0000FF;"> '.$this->CI->lang->line('profiler_database').': '.$db->database.' '.$this->CI->lang->line('profiler_queries').': '.count($this->CI->db->queries).' </legend>'; 144 $output .= "\n"; 145 $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n"; 146 147 if (count($db->queries) == 0) 148 { 149 $output .= "<tr><td width='100%' style='color:#0000FF;font-weight:normal;background-color:#eee;'>".$this->CI->lang->line('profiler_no_queries')."</td></tr>\n"; 150 } 151 else 152 { 153 foreach ($db->queries as $key => $val) 154 { 155 $time = number_format($db->query_times[$key], 4); 156 157 $val = highlight_code($val, ENT_QUOTES); 158 159 foreach ($highlight as $bold) 160 { 161 $val = str_replace($bold, '<strong>'.$bold.'</strong>', $val); 162 } 163 164 $output .= "<tr><td width='1%' valign='top' style='color:#990000;font-weight:normal;background-color:#ddd;'>".$time." </td><td style='color:#000;font-weight:normal;background-color:#ddd;'>".$val."</td></tr>\n"; 165 } 166 } 167 168 $output .= "</table>\n"; 169 $output .= "</fieldset>"; 170 171 } 172 173 return $output; 174 } 175 176 177 // -------------------------------------------------------------------- 178 179 /** 180 * Compile $_GET Data 181 * 182 * @access private 183 * @return string 184 */ 185 function _compile_get() 186 { 187 $output = "\n\n"; 188 $output .= '<fieldset style="border:1px solid #cd6e00;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">'; 189 $output .= "\n"; 190 $output .= '<legend style="color:#cd6e00;"> '.$this->CI->lang->line('profiler_get_data').' </legend>'; 191 $output .= "\n"; 192 193 if (count($_GET) == 0) 194 { 195 $output .= "<div style='color:#cd6e00;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_get')."</div>"; 196 } 197 else 198 { 199 $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n"; 200 201 foreach ($_GET as $key => $val) 202 { 203 if ( ! is_numeric($key)) 204 { 205 $key = "'".$key."'"; 206 } 207 208 $output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>$_GET[".$key."] </td><td width='50%' style='color:#cd6e00;font-weight:normal;background-color:#ddd;'>"; 209 if (is_array($val)) 210 { 211 $output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, true))) . "</pre>"; 212 } 213 else 214 { 215 $output .= htmlspecialchars(stripslashes($val)); 216 } 217 $output .= "</td></tr>\n"; 218 } 219 220 $output .= "</table>\n"; 221 } 222 $output .= "</fieldset>"; 223 224 return $output; 225 } 226 227 // -------------------------------------------------------------------- 228 229 /** 230 * Compile $_POST Data 231 * 232 * @access private 233 * @return string 234 */ 235 function _compile_post() 236 { 237 $output = "\n\n"; 238 $output .= '<fieldset style="border:1px solid #009900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">'; 239 $output .= "\n"; 240 $output .= '<legend style="color:#009900;"> '.$this->CI->lang->line('profiler_post_data').' </legend>'; 241 $output .= "\n"; 242 243 if (count($_POST) == 0) 244 { 245 $output .= "<div style='color:#009900;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_post')."</div>"; 246 } 247 else 248 { 249 $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n"; 250 251 foreach ($_POST as $key => $val) 252 { 253 if ( ! is_numeric($key)) 254 { 255 $key = "'".$key."'"; 256 } 257 258 $output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>$_POST[".$key."] </td><td width='50%' style='color:#009900;font-weight:normal;background-color:#ddd;'>"; 259 if (is_array($val)) 260 { 261 $output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, true))) . "</pre>"; 262 } 263 else 264 { 265 $output .= htmlspecialchars(stripslashes($val)); 266 } 267 $output .= "</td></tr>\n"; 268 } 269 270 $output .= "</table>\n"; 271 } 272 $output .= "</fieldset>"; 273 274 return $output; 275 } 276 277 // -------------------------------------------------------------------- 278 279 /** 280 * Show query string 281 * 282 * @access private 283 * @return string 284 */ 285 function _compile_uri_string() 286 { 287 $output = "\n\n"; 288 $output .= '<fieldset style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">'; 289 $output .= "\n"; 290 $output .= '<legend style="color:#000;"> '.$this->CI->lang->line('profiler_uri_string').' </legend>'; 291 $output .= "\n"; 292 293 if ($this->CI->uri->uri_string == '') 294 { 295 $output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_uri')."</div>"; 296 } 297 else 298 { 299 $output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->uri->uri_string."</div>"; 300 } 301 302 $output .= "</fieldset>"; 303 304 return $output; 305 } 306 307 // -------------------------------------------------------------------- 308 309 /** 310 * Show the controller and function that were called 311 * 312 * @access private 313 * @return string 314 */ 315 function _compile_controller_info() 316 { 317 $output = "\n\n"; 318 $output .= '<fieldset style="border:1px solid #995300;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">'; 319 $output .= "\n"; 320 $output .= '<legend style="color:#995300;"> '.$this->CI->lang->line('profiler_controller_info').' </legend>'; 321 $output .= "\n"; 322 323 $output .= "<div style='color:#995300;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->router->fetch_class()."/".$this->CI->router->fetch_method()."</div>"; 324 325 326 $output .= "</fieldset>"; 327 328 return $output; 329 } 330 // -------------------------------------------------------------------- 331 332 /** 333 * Compile memory usage 334 * 335 * Display total used memory 336 * 337 * @access public 338 * @return string 339 */ 340 function _compile_memory_usage() 341 { 342 $output = "\n\n"; 343 $output .= '<fieldset style="border:1px solid #5a0099;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">'; 344 $output .= "\n"; 345 $output .= '<legend style="color:#5a0099;"> '.$this->CI->lang->line('profiler_memory_usage').' </legend>'; 346 $output .= "\n"; 347 348 if (function_exists('memory_get_usage') && ($usage = memory_get_usage()) != '') 349 { 350 $output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".number_format($usage).' bytes</div>'; 351 } 352 else 353 { 354 $output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_memory_usage')."</div>"; 355 } 356 357 $output .= "</fieldset>"; 358 359 return $output; 360 } 361 362 // -------------------------------------------------------------------- 363 364 /** 365 * Run the Profiler 366 * 367 * @access private 368 * @return string 369 */ 370 function run() 371 { 372 $output = "<div id='codeigniter_profiler' style='clear:both;background-color:#fff;padding:10px;'>"; 373 374 $output .= $this->_compile_uri_string(); 375 $output .= $this->_compile_controller_info(); 376 $output .= $this->_compile_memory_usage(); 377 $output .= $this->_compile_benchmarks(); 378 $output .= $this->_compile_get(); 379 $output .= $this->_compile_post(); 380 $output .= $this->_compile_queries(); 381 382 $output .= '</div>'; 383 384 return $output; 385 } 386 387} 388 389// END CI_Profiler class 390 391/* End of file Profiler.php */ 392/* Location: ./system/libraries/Profiler.php */