kernel.php

   1 <?php
   2 /*=====================================================================*\
   3 || ###################################################################
   4 || # Iris Studios Shared Object Framework [#]version[#]
   5 || # Copyright ©2002-[#]year[#] Iris Studios, Inc.
   6 || #
   7 || # This program is free software; you can redistribute it and/or modify
   8 || # it under the terms of the GNU General Public License as published by
   9 || # the Free Software Foundation; version [#]gpl[#] of the License.
  10 || #
  11 || # This program is distributed in the hope that it will be useful, but
  12 || # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13 || # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  14 || # more details.
  15 || #
  16 || # You should have received a copy of the GNU General Public License along
  17 || # with this program; if not, write to the Free Software Foundation, Inc.,
  18 || # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  19 || ###################################################################
  20 \*=====================================================================*/
  21
  22 /**
  23 * Iris Studios Shared Object Framework Kernel
  24 * kernel.php
  25 *
  26 * @package      ISSO
  27 */
  28
  29 if (!function_exists('version_compare'))
  30 {
  31         trigger_error('You need PHP version 4.1.0 or newer to run ISSO', E_USER_ERROR);
  32         exit;
  33 }
  34
  35 if (version_compare(PHP_VERSION, '5.0.0', '>='))
  36 {
  37         if (ini_get('error_reporting') & E_NOTICE)
  38         {
  39                 error_reporting(ini_get('error_reporting') - E_NOTICE);
  40         }
  41         if (ini_get('error_reporting') & E_USER_NOTICE)
  42         {
  43                 error_reporting(ini_get('error_reporting') - E_USER_NOTICE);
  44         }
  45 }
  46
  47 $oldlevel = ini_get('error_reporting');
  48 $newlevel = $oldlevel;
  49 $levels = array(E_ERROR => E_USER_ERROR, E_WARNING => E_USER_WARNING, E_NOTICE => E_USER_NOTICE);
  50 foreach ($levels AS $php => $isso)
  51 {
  52         if ($oldlevel & $php)
  53         {
  54                 if (!($oldlevel & $isso))
  55                 {
  56                         $newlevel += $isso;
  57                 }
  58         }
  59         else
  60         {
  61                 if ($oldlevel & $isso)
  62                 {
  63                         $newlevel -= $isso;
  64                 }
  65         }
  66 }
  67 error_reporting($newlevel);
  68
  69 if ((bool)ini_get('register_globals') === true)
  70 {
  71         $superglobals = array('_GET', '_COOKIE', '_FILES', '_POST', '_SERVER', '_ENV');
  72         foreach ($superglobals AS $global)
  73         {
  74                 if (is_array(${$global}))
  75                 {
  76                         foreach (${$global} AS $_key => $_val)
  77                         {
  78                                 if (isset(${$_key}))
  79                                 {
  80                                         unset(${$_key});
  81                                 }
  82                         }
  83                 }
  84         }
  85 }
  86
  87 /**#@+
  88 * Input cleaning type constant
  89 */
  90 /**
  91 * Integer type
  92 */
  93 define('TYPE_INT', 1);
  94
  95 /**
  96 * Unsigned integer
  97 */
  98 define('TYPE_UINT', 2);
  99
 100 /**
 101 * Float type
 102 */
 103 define('TYPE_FLOAT', 4);
 104
 105 /**
 106 * Boolean type
 107 */
 108 define('TYPE_BOOL', 8);
 109
 110 /**
 111 * String - cleaned
 112 */
 113 define('TYPE_STR', 16);
 114
 115 /**
 116 * String - deliberate unclean
 117 */
 118 define('TYPE_STRUN', 32);
 119
 120 /**
 121 * No cleaning - here for use in API
 122 */
 123 define('TYPE_NOCLEAN', 64);
 124 /**#@-*/
 125
 126 /**
 127 * Iris Studios Shared Object Framework (ISSO)
 128 *
 129 * This framework allows a common backend to be used amongst all Iris
 130 * Studios applications and is built to be abstract and flexible.
 131 * The base framework handles all loading and module management.
 132 *
 133 * @author               Iris Studios, Inc.
 134 * @copyright    Copyright ©2002 - [#]year[#], Iris Studios, Inc.
 135 * @version              $Revision$
 136 * @package              ISSO
 137 *
 138 */
 139 class Shared_Object_Framework
 140 {
 141         /**
 142         * ISSO version
 143         * @var  string
 144         */
 145         var $version = '[#]version[#]';
 146
 147         /**
 148         * Location of ISSO, used for internal linking
 149         * @var  string
 150         */
 151         var $sourcepath = '';
 152
 153         /**
 154         * Path of the current application
 155         * @var  string
 156         */
 157         var $apppath = '';
 158
 159         /**
 160         * Web path used to get the web location of the installation of ISSO; only used for Printer module
 161         * @var  string
 162         */
 163         var $webpath = '';
 164
 165         /**
 166         * Name of the current application
 167         * @var  string
 168         */
 169         var $application = '';
 170
 171         /**
 172         * Version of the current application
 173         * @var  string
 174         */
 175         var $appversion = '';
 176
 177         /**
 178         * Whether debug mode is on or off
 179         * @var  bool
 180         */
 181         var $debug = false;
 182
 183         /**
 184         * List of all active debug messages
 185         * @var  array
 186         */
 187         var $debuginfo = array();
 188
 189         /**
 190         * List of loaded modules
 191         * @var  array
 192         */
 193         var $modules = array();
 194
 195         /**
 196         * An array of sanitized variables that have been cleaned for HTML tag openers and double quotes
 197         * @var  array
 198         */
 199         var $in = array();
 200
 201         /**
 202         * If we are running with magic_quotes_gpc on or off
 203         * @var  int
 204         */
 205         var $magicquotes = 0;
 206
 207         // ###################################################################
 208         /**
 209         * Constructor
 210         */
 211         function __construct()
 212         {
 213                 $GLOBALS['isso:null-framework'] = null;
 214
 215                 // error reporting
 216                 set_error_handler(array(&$this, '_error_handler'));
 217
 218                 // magic quotes
 219                 $this->magicquotes = get_magic_quotes_gpc();
 220                 set_magic_quotes_runtime(0);
 221
 222                 // start input sanitize using variable_order GPC
 223                 if (!defined('ISSO_NO_INPUT_SANITIZE'))
 224                 {
 225                         $this->exec_sanitize_data();
 226                 }
 227
 228                 if (defined('ISSO_CHECK_POST_REFERER'))
 229                 {
 230                         $this->exec_referer_check();
 231                 }
 232         }
 233
 234         // ###################################################################
 235         /**
 236         * (PHP 4) Constructor
 237         */
 238         function Shared_Object_Framework()
 239         {
 240                 $this->__construct();
 241         }
 242
 243         // ###################################################################
 244         /**
 245         * Prepares a path for being set as the sourcepath
 246         *
 247         * @access       public
 248         *
 249         * @param        string  Source path or URL
 250         *
 251         * @return       string  Prepared source path
 252         */
 253         function fetch_sourcepath($source)
 254         {
 255                 if (substr($source, strlen($source) - 1) != DIRECTORY_SEPARATOR)
 256                 {
 257                         $source .= DIRECTORY_SEPARATOR;
 258                 }
 259                 return $source;
 260         }
 261
 262         // ###################################################################
 263         /**
 264         * Loads a framework module
 265         *
 266         * @access       public
 267         *
 268         * @param        string  Name of the framework file to load
 269         * @param        string  Internal variable to initialize as; to not instantiate (just require) leave it as NULL
 270         * @param        bool    Globalize the internal variable?
 271         *
 272         * @return       object  Instantiated instance
 273         */
 274         function &load($framework, $asobject, $globalize = false)
 275         {
 276                 // set the object interlock
 277                 if (!method_exists($GLOBALS['isso:null-framework'], 'load'))
 278                 {
 279                         $GLOBALS['isso:null-framework'] =& $this;
 280                 }
 281
 282                 if ($this->is_loaded($framework))
 283                 {
 284                         return $this->modules["$framework"];
 285                 }
 286
 287                 if ($this->sourcepath == '')
 288                 {
 289                         trigger_error('Invalid sourcepath specified', E_USER_ERROR);
 290                 }
 291
 292                 if (file_exists($this->sourcepath . $framework . '.php'))
 293                 {
 294                         require_once($this->sourcepath . $framework . '.php');
 295                 }
 296                 else
 297                 {
 298                         trigger_error('Could not find the framework ' . $this->sourcepath . $framework . '.php', E_USER_ERROR);
 299                 }
 300
 301                 if ($asobject === null)
 302                 {
 303                         return;
 304                 }
 305
 306                 if (isset($this->$asobject))
 307                 {
 308                         trigger_error('Cannot instantiate framework `' . $framework . '` into `' . $asobject . '`', E_USER_ERROR);
 309                 }
 310
 311                 $this->$asobject = new $framework($this);
 312
 313                 $this->modules["$framework"] =& $this->$asobject;
 314
 315                 if ($globalize)
 316                 {
 317                         $GLOBALS["$asobject"] =& $this->$asobject;
 318                 }
 319
 320                 return $this->$asobject;
 321         }
 322
 323         // ###################################################################
 324         /**
 325         * Prints a list of all currently loaded framework modules
 326         *
 327         * @access       public
 328         *
 329         * @param        bool    Return the data as an array?
 330         *
 331         * @return       mixed   HTML output or an array of loaded modules
 332         */
 333         function show_modules($return = false)
 334         {
 335                 foreach ($this->modules AS $object)
 336                 {
 337                         $modules[] = get_class($object);
 338                 }
 339
 340                 if ($return)
 341                 {
 342                         return $modules;
 343                 }
 344                 else
 345                 {
 346                         $output = "\n\n<ul>\n\t<li>";
 347                         $output .= implode("</li>\n\t<li>", $modules);
 348                         $output .= "</li>\n</ul>\n\n";
 349                         $this->message('Loaded Modules', $output, 1);
 350                 }
 351         }
 352
 353         // ###################################################################
 354         /**
 355         * Verifies to see if a framework has been loaded
 356         *
 357         * @access       public
 358         *
 359         * @param        string  Framework name
 360         *
 361         * @return       bool    Whether or not the framework has been loaded
 362         */
 363         function is_loaded($framework)
 364         {
 365                 if (isset($this->modules["$framework"]))
 366                 {
 367                         return true;
 368                 }
 369                 else
 370                 {
 371                         return false;
 372                 }
 373         }
 374
 375         // ###################################################################
 376         /**
 377         * Prints an ISSO message
 378         *
 379         * @access       public
 380         *
 381         * @param        string  The title of the message
 382         * @param        string  The content of the message
 383         * @param        integer Type of message to be printed
 384         * @param        bool    Return the output?
 385         * @param        bool    Show the debug stack?
 386         *
 387         * @return       mixed   Output or null
 388         */
 389         function message($title, $message, $type, $return = false, $stack = true)
 390         {
 391                 switch ($type)
 392                 {
 393                         // Message
 394                         case 1:
 395                                 $prefix = 'Message';
 396                                 $color = '#669900';
 397                                 $font = '#000000';
 398                         break;
 399
 400                         // Warning
 401                         case 2:
 402                                 $prefix = 'Warning';
 403                                 $color = '#003399';
 404                                 $font = '#FFFFFF';
 405                         break;
 406
 407                         case 3:
 408                                 $prefix = 'Error';
 409                                 $color = '#990000';
 410                                 $font = '#EFEFEF';
 411                         break;
 412                 }
 413
 414                 $backtrace = debug_backtrace();
 415                 unset($backtrace[0]);
 416
 417                 $output = "\n<br />\n<table cellpadding=\"4\" cellspacing=\"1\" border=\"0\" width=\"500\" style=\"background-color: $color; color: black; font-family: Verdana, sans-serif; font-size: 12px;\">";
 418                 $output .= "\n<tr style=\"color: $font; text-align: left\">\n\t<td><strong>$prefix: $title</strong></td>\n</tr>";
 419                 $output .= "\n<tr style=\"background-color: #FFFFFF; text-align: left\">\n\t<td>$message</td>\n</tr>";
 420                 $output .= (($stack AND $GLOBALS['isso:null-framework']->debug) ? "\n<tr style=\"background-color: #FFFFFF; text-align: left\">\n\t<td><strong>Debug Stack:</strong> <pre>" . print_r($backtrace, true) . "</pre></td>\n</tr>" : '');
 421                 $output .= "\n</table>\n<br />\n";
 422
 423                 if ($return)
 424                 {
 425                         return $output;
 426                 }
 427                 else
 428                 {
 429                         print($output);
 430                 }
 431         }
 432
 433         // ###################################################################
 434         /**
 435         * Custom error handler for ISSO; only handle E_WARNING, E_NOTICE,
 436         * E_USER_ERROR, E_USER_WARNING, E_USER_NOTICE
 437         *
 438         * @access       private
 439         *
 440         * @param        integer Error number
 441         * @param        string  Error message string
 442         * @param        string  File that contains the error
 443         * @param        string  The line number of the error
 444         * @param        string  The active symbol table at which point the error occurred
 445         */
 446         function _error_handler($errno, $errstr, $errfile, $errline)
 447         {
 448                 switch ($errno)
 449                 {
 450                         // Fatal
 451                         case E_USER_ERROR:
 452                                 $title = 'Fatal';
 453                                 $level = 3;
 454                                 if (!(ini_get('error_reporting') & E_USER_ERROR))
 455                                 {
 456                                         return;
 457                                 }
 458                         break;
 459
 460                         // Error
 461                         case E_USER_WARNING:
 462                                 $title = 'Warning';
 463                                 $level = 2;
 464                                 if (!(ini_get('error_reporting') & E_USER_WARNING) AND !(ini_get('error_reporting') & E_WARNING))
 465                                 {
 466                                         return;
 467                                 }
 468                         break;
 469
 470                         // Warning
 471                         case E_USER_NOTICE:
 472                         default:
 473                                 $title = 'Notice';
 474                                 $level = 1;
 475                                 if (!(ini_get('error_reporting') & E_USER_NOTICE) AND !(ini_get('error_reporting') & E_NOTICE))
 476                                 {
 477                                         return;
 478                                 }
 479                         break;
 480                 }
 481
 482                 $errstr .= " in <strong>$errfile</strong> on line <strong>$errline</strong>";
 483
 484                 $errstr = str_replace(array(getcwd(), dirname(getcwd())), '', $errstr);
 485
 486                 $this->message($title, $errstr, $level);
 487
 488                 if ($errno == E_USER_ERROR)
 489                 {
 490                         exit;
 491                 }
 492         }
 493
 494         // ###################################################################
 495         /**
 496         * Creates a table that explains the error reporting levels and their
 497         * state
 498         *
 499         * @access       public
 500         */
 501         function explain_error_reporting()
 502         {
 503                 $levels = array(
 504                         'E_ERROR'                       => E_ERROR,
 505                         'E_WARNING'                     => E_WARNING,
 506                         'E_PARSE'                       => E_PARSE,
 507                         'E_NOTICE'                      => E_NOTICE,
 508                         'E_CORE_ERROR'          => E_CORE_ERROR,
 509                         'E_CORE_WARNING'        => E_CORE_WARNING,
 510                         'E_COMPILE_ERROR'       => 64,
 511                         'E_COMPILE_WARNING'     => 128,
 512                         'E_USER_ERROR'          => E_USER_ERROR,
 513                         'E_USER_WARNING'        => E_USER_WARNING,
 514                         'E_USER_NOTICE'         => E_USER_NOTICE,
 515                         'E_ALL'                         => E_ALL,
 516                         'E_STRICT'                      => 2048
 517                 );
 518
 519                 $table = '<table cellspacing="0" cellpadding="2" border="0">';
 520
 521                 foreach ($levels AS $name => $value)
 522                 {
 523                         $table .= '
 524                         <tr>
 525                                 <td>' . $name . '</td>
 526                                 <td>' . (ini_get('error_reporting') & $value) . '</td>
 527                         </tr>';
 528                 }
 529
 530                 $table .= '
 531                 </table>';
 532
 533                 $this->message('Error Reporting', $table, 1);
 534         }
 535
 536         // ###################################################################
 537         /**
 538         * Logs a debug message for verbose output
 539         *
 540         * @access       public
 541         *
 542         * @param        string  Message
 543         */
 544         function debug($message)
 545         {
 546                 $this->debuginfo[] = $message;
 547         }
 548
 549         // ###################################################################
 550         /**
 551         * Recursive XSS cleaner
 552         *
 553         * @access       private
 554         *
 555         * @param        mixed   Unsanitized REQUEST data
 556         *
 557         * @return       mixed   Sanitized data
 558         */
 559         function _sanitize_input_recursive($data)
 560         {
 561                 foreach ($data AS $key => $value)
 562                 {
 563                         if (is_array($value))
 564                         {
 565                                 $data["$key"] = $this->_sanitize_input_recursive($value);
 566                         }
 567                         else
 568                         {
 569                                 $data["$key"] = $this->sanitize($value);
 570                         }
 571                 }
 572                 return $data;
 573         }
 574
 575         // ###################################################################
 576         /**
 577         * Simple way to protect against HTML attacks with Unicode support
 578         *
 579         * @access       public
 580         *
 581         * @param        string  Unsanitzed text
 582         *
 583         * @return       string  Properly protected text that only encodes potential threats
 584         */
 585         function sanitize($text)
 586         {
 587                 if ($this->magicquotes)
 588                 {
 589                         return str_replace(array('<', '>', '\"', '"'), array('&lt;', '&gt;', '&quot;', '&quot;'), $text);
 590                 }
 591                 else
 592                 {
 593                         return str_replace(array('<', '>', '"'), array('&lt;', '&gt;', '&quot;'), $text);
 594                 }
 595         }
 596
 597         // ###################################################################
 598         /**
 599         * Unicode-safe entity encoding system; similar to sanitize()
 600         *
 601         * @access       public
 602         *
 603         * @param        string  Unsanitized text
 604         *
 605         * @return       string  Unicode-safe sanitized text with entities preserved
 606         */
 607         function entity_encode($text)
 608         {
 609                 $text = str_replace('&', '&amp;', $text);
 610                 $text = $this->sanitize($text);
 611                 return $text;
 612         }
 613
 614         // ###################################################################
 615         /**
 616         * Takes text that has been processed for HTML and unsanitizes it
 617         *
 618         * @access       public
 619         *
 620         * @param        string  Text that needs to be turned back into HTML
 621         *
 622         * @return       string  Unsanitized text
 623         */
 624         function unsanitize($text)
 625         {
 626                 return str_replace(array('&lt;', '&gt;', '&quot;'), array('<', '>', '"'), $text);
 627         }
 628
 629         // ###################################################################
 630         /**
 631         * Smart addslashes() that only applies itself it the Magic Quotes GPC
 632         * is off. This should only be run on database query values.
 633         *
 634         * @access       public
 635         *
 636         * @param        string  Some string
 637         * @param        bool    If the data is binary; if so it'll be run through DB::escape_stringing()
 638         * @param        bool    Force magic quotes to be off
 639         *
 640         * @return       string  String that has slashes added
 641         */
 642         function escape($str, $binary = false, $force = true)
 643         {
 644                 if ($this->magicquotes AND !$force)
 645                 {
 646                         if (isset($this->modules[ISSO_DB_LAYER]) AND $binary)
 647                         {
 648                                 return $this->modules[ISSO_DB_LAYER]->escape_string(str_replace(array("\'", '\"'), array("'", '"'), $str));
 649                         }
 650                         return $str;
 651                 }
 652                 else
 653                 {
 654                         if (isset($this->modules[ISSO_DB_LAYER]) AND $binary)
 655                         {
 656                                 return $this->modules[ISSO_DB_LAYER]->escape_string($str);
 657                         }
 658                         return addslashes($str);
 659                 }
 660         }
 661
 662         // ###################################################################
 663         /**
 664         * Runs through all of the input data and sanitizes it.
 665         *
 666         * @access       public
 667         */
 668         function exec_sanitize_data()
 669         {
 670                 $this->in = $this->_sanitize_input_recursive(array_merge($_GET, $_POST, $_COOKIE));
 671         }
 672
 673         // ###################################################################
 674         /**
 675         * Sanitize function for something other than a string (which
 676         * everything is sanitized for if you use exec_sanitize_data(). Cleaned
 677         * data is placed back into $isso->in; this makes it so you don't have
 678         * to constantly intval() [etc.] data.
 679         *
 680         * @access       public
 681         *
 682         * @param        array   Array of elements to clean as varname => type
 683         */
 684         function input_clean_array($vars)
 685         {
 686                 foreach ($vars AS $varname => $type)
 687                 {
 688                         $this->input_clean($varname, $type);
 689                 }
 690         }
 691
 692         // ###################################################################
 693         /**
 694         * Sanitize function that does a single variable as oppoesd to an array
 695         * (see input_clean_array() for more details)
 696         *
 697         * @access       public
 698         *
 699         * @param        string  Variable name in $isso->in[]
 700         * @param        integer Sanitization type constant
 701         */
 702         function input_clean($varname, $type)
 703         {
 704                 if (isset($this->in["$varname"]))
 705                 {
 706                         $this->in["$varname"] = $this->clean($this->in["$varname"], $type);
 707                 }
 708                 else
 709                 {
 710                         $this->in["$varname"] = null;
 711                 }
 712
 713                 return $this->in["$varname"];
 714         }
 715
 716         // ###################################################################
 717         /**
 718         * Cleaning function that does the work for input_clean(); this is
 719         * moved here so it can be used to clean things that aren't in
 720         * $isso->in[]
 721         *
 722         * @access       public
 723         *
 724         * @param        mixed   Data
 725         * @param        integer Sanitization type constant
 726         *
 727         * @return       mixed   Cleaned data
 728         */
 729         function clean($value, $type)
 730         {
 731                 if ($type == TYPE_INT)
 732                 {
 733                         $value = intval($value);
 734                 }
 735                 else if ($type == TYPE_UINT)
 736                 {
 737                         $value = abs(intval($value));
 738                 }
 739                 else if ($type == TYPE_FLOAT)
 740                 {
 741                         $value = floatval($value);
 742                 }
 743                 else if ($type == TYPE_BOOL)
 744                 {
 745                         $value = (bool)$value;
 746                 }
 747                 else if ($type == TYPE_STR)
 748                 {
 749                         $value = $value;
 750                 }
 751                 else if ($type == TYPE_STRUN)
 752                 {
 753                         $value = $this->unsanitize($value);
 754                 }
 755                 else if ($type == TYPE_NOCLEAN)
 756                 {
 757                         $value = $value;
 758                 }
 759                 else
 760                 {
 761                         trigger_error('Invalid clean type `' . $type . '` specified', E_USER_ERROR);
 762                 }
 763
 764                 return $value;
 765         }
 766
 767         // ###################################################################
 768         /**
 769         * Checks to see if a POST refer is actually from us
 770         *
 771         * @access       public
 772         */
 773         function exec_referer_check()
 774         {
 775                 if ($_SERVER['REQUEST_METHOD'] == 'POST')
 776                 {
 777                         $host = ($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_ENV['HTTP_HOST'];
 778
 779                         if ($host AND $_SERVER['HTTP_REFERER'])
 780                         {
 781                                 $parts = parse_url($_SERVER['HTTP_REFERER']);
 782                                 $ourhost = $parts['host'] . (isset($parts['port']) ? ":$parts[port]" : '');
 783
 784                                 if ($ourhost != $host)
 785                                 {
 786                                         trigger_error('No external hosts are allowed to POST to this application', E_USER_ERROR);
 787                                 }
 788                                 $this->debug('remote post check = ok');
 789                         }
 790                         else
 791                         {
 792                                 $this->debug('remote post check = FAILED');
 793                         }
 794                 }
 795         }
 796
 797         // ###################################################################
 798         /**
 799         * Constructs a debug information box that contains various debugging
 800         * information points
 801         *
 802         * @access       public
 803         *
 804         * @param        bool    Show template information?
 805         *
 806         * @return       string  Debugging block
 807         */
 808         function construct_debug_block($dotemplates)
 809         {
 810                 $debug = '';
 811
 812                 if ($this->debug)
 813                 {
 814                         $debug = "\n<ul>";
 815
 816                         // templates
 817                         if ($dotemplates)
 818                         {
 819                                 // both template and template_fs are viable, so we need to determine the right one
 820                                 if ($this->is_loaded('template'))
 821                                 {
 822                                         $tpl_obj =& $this->modules['template'];
 823                                 }
 824                                 else if ($this->is_loaded('template_fs'))
 825                                 {
 826                                         $tpl_obj =& $this->modules['template_fs'];
 827                                 }
 828                                 else
 829                                 {
 830                                         $tpl_obj = null;
 831                                 }
 832
 833                                 $optlist = array();
 834                                 $usage = array();
 835                                 foreach ($tpl_obj->usage AS $name => $count)
 836                                 {
 837                                         if (in_array($name, $tpl_obj->uncached))
 838                                         {
 839                                                 $optlist[] = $name . '[' . $count . ']';
 840                                         }
 841                                         $usage[] = $name . " ($count)";
 842                                 }
 843
 844                                 $sizeof = sizeof($tpl_obj->uncached);
 845                                 if ($sizeof > 0)
 846                                 {
 847                                         $debug .= "\n\t<li><strong style=\"color: red\">Uncached Template(s):</strong> $sizeof ( " . implode(' &nbsp; ', $optlist) . " )</li>";
 848                                 }
 849                         }
 850
 851                         // source control
 852                         $scinfo = 'Not Under Source Control';
 853                         if (defined('SVN'))
 854                         {
 855                                 $scinfo = constant('SVN');
 856
 857                                 if (preg_match('#\$Id:?\s*\$#', $scinfo))
 858                                 {
 859                                         $scinfo = 'Not Under Source Control';
 860                                 }
 861                                 else
 862                                 {
 863                                         $scinfo = preg_replace('#\$' . '(Head)?URL: (.+?) \$#e', "end(explode('/', '\\2'))", $scinfo);
 864                                         $scinfo = preg_replace('#\$' . '(LastModified)?Revision: (.+?) \$#', 'SVN \\2', $scinfo);
 865                                         $scinfo = preg_replace('#\$' . 'Id: (.+?) ([0-9].+?) [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}(.+?) (.+?) \$#', '\\1 - SVN \\2', $scinfo);
 866                                 }
 867                         }
 868
 869                         $scinfo = trim($scinfo);
 870                         $debug .= "\n\t<li><strong>Source Control:</strong> $scinfo</li>";
 871
 872                         // query information
 873                         if (is_object($this->modules[ISSO_DB_LAYER]))
 874                         {
 875                                 $debug .= "\n\t<li><strong>Total Queries:</strong> " . sizeof($this->modules[ISSO_DB_LAYER]->history) . " (<a href=\"" . $this->sanitize($_SERVER['REQUEST_URI']) . ((strpos($_SERVER['REQUEST_URI'], '?') !== false) ? '&amp;query=1' : '?query=1') . "\">?</a>)</li>";
 876                         }
 877
 878                         // total execution time
 879                         if (defined('ISSO_MT_START'))
 880                         {
 881                                 $this->load('functions', 'functions');
 882                                 $debug .= "\n\t<li><strong>Total Execution Time:</strong> " . round($this->modules['functions']->fetch_microtime_diff(ISSO_MT_START), 10) . "</li>";
 883                         }
 884
 885                         // debug notices
 886                         $debug .= "\n\t<li>\n\t\t<select>\n\t\t\t<option>Debug Notices (" . sizeof($this->debuginfo) . ")</option>";
 887                         foreach ((array)$this->debuginfo AS $msg)
 888                         {
 889                                 $debug .= "\n\t\t\t<option>--- $msg</option>";
 890                         }
 891                         $debug .= "\n\t\t</select>\n\t</li>";
 892
 893                         // loaded modules
 894                         $modules = $this->show_modules(true);
 895                         $debug .= "\n\t<li>\n\t\t<select>\n\t\t\t<option>Loaded Modules (" . sizeof($modules) . ")</option>";
 896                         foreach ($modules AS $mod)
 897                         {
 898                                 $debug .= "\n\t\t\t<option>--- $mod</option>";
 899                         }
 900                         $debug .= "\n\t\t</select>\n\t</li>";
 901
 902                         // template usage
 903                         if ($dotemplates)
 904                         {
 905                                 $debug .= "\n\t<li>\n\t\t<select>\n\t\t\t<option>Template Usage (" . array_sum($tpl_obj->usage) . ")</option>";
 906                                 foreach ($usage AS $tpl)
 907                                 {
 908                                         $debug .= "\n\t\t\t<option>--- $tpl</option>";
 909                                 }
 910                                 $debug .= "\n\t\t</select>\n\t</li>";
 911                         }
 912
 913                         $debug .= "\n</ul>";
 914
 915                         $debug = "\n\n<!-- dev debug -->\n<div align=\"center\">\n\n<hr />\n" . $this->message('Debug Information', $debug, 1, true, false) . "\n</div>\n<!-- / dev debug -->\n\n";
 916                 }
 917
 918                 return $debug;
 919         }
 920 }
 921
 922 /*=====================================================================*\
 923 || ###################################################################
 924 || # $HeadURL$
 925 || # $Id$
 926 || ###################################################################
 927 \*=====================================================================*/
 928 ?>