install.php

   1 <?php /// $Id$
   2       /// install.php - helps admin user to create a config.php file
   3
   4 /// If config.php exists already then we are not needed.
   5
   6 if (file_exists('./config.php')) {
   7     header('Location: index.php');
   8     die;
   9 } else {
  10     $configfile = './config.php';
  11 }
  12
  13 ///==========================================================================//
  14 /// We are doing this in stages
  15 define ('WELCOME',            0); /// 0. Welcome and language settings
  16 define ('COMPATIBILITY',      1); /// 1. Compatibility
  17 define ('DIRECTORY',          2); /// 2. Directory settings
  18 define ('DATABASE',           3); /// 2. Database settings
  19 define ('ADMIN',              4); /// 4. Administration directory name
  20 define ('ENVIRONMENT',        5); /// 5. Administration directory name
  21 define ('DOWNLOADLANG',       6); /// 6. Load complete lang from download.moodle.org
  22 define ('SAVE',               7); /// 7. Save or display the settings
  23 define ('REDIRECT',           8); /// 8. Redirect to index.php
  24 ///==========================================================================//
  25
  26
  27
  28 /// Begin the session as we are holding all information in a session
  29 /// variable until the end.
  30
  31 session_name('MoodleSession');
  32 @session_start();
  33
  34 if (! isset($_SESSION['INSTALL'])) {
  35     $_SESSION['INSTALL'] = array();
  36 }
  37
  38 $INSTALL = &$_SESSION['INSTALL'];   // Makes it easier to reference
  39
  40
  41 /// If it's our first time through this script then we need to set some default values
  42
  43 if ( empty($INSTALL['language']) and empty($_POST['language']) ) {
  44
  45     /// set defaults
  46     $INSTALL['language']        = 'en_utf8';
  47
  48     $INSTALL['dbhost']          = 'localhost';
  49     $INSTALL['dbuser']          = '';
  50     $INSTALL['dbpass']          = '';
  51     $INSTALL['dbtype']          = 'mysql';
  52     $INSTALL['dbname']          = 'moodle';
  53     $INSTALL['prefix']          = 'mdl_';
  54
  55     $INSTALL['dbencodingtestresults']  = false;
  56     $INSTALL['showskipdbencodingtest'] = false;
  57     $INSTALL['skipdbencodingtest']     = false;
  58
  59     $INSTALL['downloadlangpack']       = false;
  60     $INSTALL['showdownloadlangpack']   = true;
  61     $INSTALL['downloadlangpackerror']  = '';
  62
  63 /// To be used by the Installer
  64     $INSTALL['wwwroot']         = '';
  65     $INSTALL['dirroot']         = dirname(__FILE__);
  66     $INSTALL['dataroot']        = dirname(dirname(__FILE__)) . '/moodledata';
  67
  68 /// To be configured in the Installer
  69     $INSTALL['wwwrootform']         = '';
  70     $INSTALL['dirrootform']         = dirname(__FILE__);
  71
  72     $INSTALL['admindirname']    = 'admin';
  73
  74     $INSTALL['stage'] = WELCOME;
  75 }
  76
  77 //==========================================================================//
  78
  79 /// Set the page to Unicode always
  80
  81 header('Content-Type: text/html; charset=UTF-8');
  82
  83 /// Was data submitted?
  84
  85 if (isset($_POST['stage'])) {
  86
  87     /// Get the stage for which the form was set and the next stage we are going to
  88
  89
  90     if ( $goforward = (! empty( $_POST['next'] )) ) {
  91         $nextstage = $_POST['stage'] + 1;
  92     } else if (! empty( $_POST['prev'])) {
  93         $nextstage = $_POST['stage'] - 1;
  94     } else if (! empty( $_POST['same'] )) {
  95         $nextstage = $_POST['stage'];
  96     }
  97
  98
  99     if ($nextstage < 0) $nextstage = WELCOME;
 100
 101
 102     /// Store any posted data
 103     foreach ($_POST as $setting=>$value) {
 104         $INSTALL[$setting] = $value;
 105     }
 106
 107 } else {
 108
 109     $goforward = true;
 110     $nextstage = WELCOME;
 111
 112 }
 113
 114 //==========================================================================//
 115
 116 /// Fake some settings so that we can use selected functions from moodlelib.php and weblib.php
 117
 118 $SESSION->lang = (!empty($_POST['language'])) ? $_POST['language'] : $INSTALL['language'];
 119 $CFG->dirroot = $INSTALL['dirroot'];
 120 $CFG->libdir = $INSTALL['dirroot'].'/lib';
 121 $CFG->dataroot = $INSTALL['dataroot'];
 122 $CFG->admin = $INSTALL['admindirname'];
 123 $CFG->directorypermissions = 00777;
 124 $CFG->running_installer = true;
 125
 126 /// Include some moodle libraries
 127
 128 require_once('./lib/adminlib.php');
 129 require_once('./lib/setuplib.php');
 130 require_once('./lib/moodlelib.php');
 131 require_once('./lib/weblib.php');
 132 require_once('./lib/adodb/adodb.inc.php');
 133 require_once('./lib/environmentlib.php');
 134 require_once('./lib/xmlize.php');
 135 require_once('./lib/componentlib.class.php');
 136 require_once('./version.php');
 137
 138 /// Set version and release
 139 $INSTALL['version'] = $version;
 140 $INSTALL['release'] = $release;
 141
 142 /// Have the $db object ready because we are going to use it often
 143 define ('ADODB_ASSOC_CASE', 0); //Use lowercase fieldnames for ADODB_FETCH_ASSOC
 144 $db = &ADONewConnection($INSTALL['dbtype']);
 145 $db->SetFetchMode(ADODB_FETCH_ASSOC);
 146
 147 /// guess the www root
 148 if ($INSTALL['wwwroot'] == '') {
 149     list($INSTALL['wwwroot'], $xtra) = explode('/install.php', qualified_me());
 150     $INSTALL['wwwrootform'] = $INSTALL['wwwroot'];
 151
 152     // now try to guess the correct dataroot not accessible via web
 153     $CFG->wwwroot = $INSTALL['wwwroot'];
 154     $i = 0; //safety check - dirname might return some unexpected results
 155     while(is_dataroot_insecure()) {
 156         $parrent = dirname($CFG->dataroot);
 157         $i++;
 158         if ($parrent == '/' or $parrent == '.' or preg_match('/^[a-z]:\\\?$/i', $parrent) or ($i > 100)) {
 159             $CFG->dataroot = ''; //can not find secure location for dataroot
 160             break;
 161         }
 162         $CFG->dataroot = dirname($parrent).'/moodledata';
 163     }
 164     $INSTALL['dataroot'] = $CFG->dataroot;
 165 }
 166
 167 $headstagetext = array(WELCOME       => get_string('chooselanguagehead', 'install'),
 168                        COMPATIBILITY => get_string('compatibilitysettingshead', 'install'),
 169                        DIRECTORY     => get_string('directorysettingshead', 'install'),
 170                        DATABASE      => get_string('databasesettingshead', 'install'),
 171                        ADMIN         => get_string('admindirsettinghead', 'install'),
 172                        ENVIRONMENT   => get_string('environmenthead', 'install'),
 173                        DOWNLOADLANG  => get_string('downloadlanguagehead', 'install'),
 174                        SAVE          => get_string('configurationcompletehead', 'install')
 175                         );
 176
 177 $substagetext = array(WELCOME       => get_string('chooselanguagesub', 'install'),
 178                       COMPATIBILITY => get_string('compatibilitysettingssub', 'install'),
 179                       DIRECTORY     => get_string('directorysettingssub', 'install'),
 180                       DATABASE      => get_string('databasesettingssub', 'install'),
 181                       ADMIN         => get_string('admindirsettingsub', 'install'),
 182                       ENVIRONMENT   => get_string('environmentsub', 'install'),
 183                       DOWNLOADLANG  => get_string('downloadlanguagesub', 'install'),
 184                       SAVE          => get_string('configurationcompletesub', 'install')
 185                        );
 186
 187
 188
 189 //==========================================================================//
 190
 191 /// Are we in help mode?
 192
 193 if (isset($_GET['help'])) {
 194     $nextstage = -1;
 195 }
 196
 197
 198
 199 //==========================================================================//
 200
 201 /// Are we in config download mode?
 202
 203 if (isset($_GET['download'])) {
 204     header("Content-Type: application/download\n");
 205     header("Content-Disposition: attachment; filename=\"config.php\"");
 206     echo $INSTALL['config'];
 207     exit;
 208 }
 209
 210
 211
 212
 213
 214 //==========================================================================//
 215
 216 /// Check the directory settings
 217
 218 if ($INSTALL['stage'] == DIRECTORY) {
 219
 220     error_reporting(0);
 221
 222     /// check wwwroot
 223     if (ini_get('allow_url_fopen')) {
 224         if (($fh = @fopen($INSTALL['wwwrootform'].'/install.php', 'r')) === false) {
 225             $errormsg .= get_string('wwwrooterror', 'install').'<br />';
 226             $INSTALL['wwwrootform'] = $INSTALL['wwwroot'];
 227         }
 228     }
 229     if ($fh) fclose($fh);
 230
 231     /// check dirroot
 232     if (($fh = @fopen($INSTALL['dirrootform'].'/install.php', 'r')) === false ) {
 233         $errormsg .= get_string('dirrooterror', 'install').'<br />';
 234         $INSTALL['dirrootform'] = $INSTALL['dirroot'];
 235     }
 236     if ($fh) fclose($fh);
 237
 238     /// check dataroot
 239     $CFG->dataroot = $INSTALL['dataroot'];
 240     if (make_upload_directory('sessions', false) === false ) {
 241         $errormsg .= get_string('datarooterror', 'install').'<br />';
 242     }
 243     if ($fh) fclose($fh);
 244
 245     if (!empty($errormsg)) $nextstage = DIRECTORY;
 246
 247     error_reporting(7);
 248 }
 249
 250
 251
 252 //==========================================================================//
 253
 254 /// Check database settings if stage 3 data submitted
 255 /// Try to connect to the database. If that fails then try to create the database
 256
 257 if ($INSTALL['stage'] == DATABASE) {
 258
 259     /// First of all, analyze skipdbencodingtest status
 260      if (isset($_POST['skipdbencodingtest'])) {
 261          $INSTALL['skipdbencodingtest'] = true;
 262      } else {
 263          $INSTALL['skipdbencodingtest'] = false;
 264      }
 265
 266     /// different format for postgres7 by socket
 267     if ($INSTALL['dbtype'] == 'postgres7' and ($INSTALL['dbhost'] == 'localhost' || $INSTALL['dbhost'] == '127.0.0.1')) {
 268         $INSTALL['dbhost'] = "user='{$INSTALL['dbuser']}' password='{$INSTALL['dbpass']}' dbname='{$INSTALL['dbname']}'";
 269         $INSTALL['dbuser'] = '';
 270         $INSTALL['dbpass'] = '';
 271         $INSTALL['dbname'] = '';
 272
 273         if ($INSTALL['prefix'] == '') { /// must have a prefix
 274             $INSTALL['prefix'] = 'mdl_';
 275         }
 276     }
 277
 278     if ($INSTALL['dbtype'] == 'mysql') {  /// Check MySQL extension is present
 279         if (!extension_loaded('mysql')) {
 280             $errormsg = get_string('mysqlextensionisnotpresentinphp', 'install');
 281             $nextstage = DATABASE;
 282         }
 283     }
 284
 285     if ($INSTALL['dbtype'] == 'postgres7') {  /// Check PostgreSQL extension is present
 286         if (!extension_loaded('pgsql')) {
 287             $errormsg = get_string('pgsqlextensionisnotpresentinphp', 'install');
 288             $nextstage = DATABASE;
 289         }
 290     }
 291
 292     if ($INSTALL['dbtype'] == 'mssql') {  /// Check MSSQL extension is present
 293         if (!function_exists('mssql_connect')) {
 294             $errormsg = get_string('mssqlextensionisnotpresentinphp', 'install');
 295             $nextstage = DATABASE;
 296         }
 297     }
 298
 299     if ($INSTALL['dbtype'] == 'mssql_n') {  /// Check MSSQL extension is present
 300         if (!function_exists('mssql_connect')) {
 301             $errormsg = get_string('mssqlextensionisnotpresentinphp', 'install');
 302             $nextstage = DATABASE;
 303         }
 304     }
 305
 306     if ($INSTALL['dbtype'] == 'odbc_mssql') {  /// Check ODBC extension is present
 307         if (!extension_loaded('odbc')) {
 308             $errormsg = get_string('odbcextensionisnotpresentinphp', 'install');
 309             $nextstage = DATABASE;
 310         }
 311     }
 312
 313     if ($INSTALL['dbtype'] == 'oci8po') {  /// Check OCI extension is present
 314         if (!extension_loaded('oci8')) {
 315             $errormsg = get_string('ociextensionisnotpresentinphp', 'install');
 316             $nextstage = DATABASE;
 317         }
 318     }
 319
 320     if (empty($INSTALL['prefix']) && $INSTALL['dbtype'] != 'mysql') { // All DBs but MySQL require prefix (reserv. words)
 321         $errormsg = get_string('dbwrongprefix', 'install');
 322         $nextstage = DATABASE;
 323     }
 324
 325     if ($INSTALL['dbtype'] == 'oci8po' && strlen($INSTALL['prefix']) > 2) { // Oracle max prefix = 2cc (30cc limit)
 326         $errormsg = get_string('dbwrongprefix', 'install');
 327         $nextstage = DATABASE;
 328     }
 329
 330     if ($INSTALL['dbtype'] == 'oci8po' && !empty($INSTALL['dbhost'])) { // Oracle host must be blank (tnsnames.ora has it)
 331         $errormsg = get_string('dbwronghostserver', 'install');
 332         $nextstage = DATABASE;
 333     }
 334
 335
 336     if (empty($errormsg)) {
 337
 338         error_reporting(0);  // Hide errors
 339
 340         if (! $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname'])) {
 341             /// The following doesn't seem to work but we're working on it
 342             /// If you come up with a solution for creating a database in MySQL
 343             /// feel free to put it in and let us know
 344             if ($dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'])) {
 345                 switch ($INSTALL['dbtype']) {   /// Try to create a database
 346                     case 'mysql':
 347                         if ($db->Execute("CREATE DATABASE {$INSTALL['dbname']};")) {
 348                             $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
 349                         } else {
 350                             $errormsg = get_string('dbcreationerror', 'install');
 351                             $nextstage = DATABASE;
 352                         }
 353                         break;
 354                 }
 355             }
 356         } else {
 357         /// We have been able to connect properly, just test the database encoding now. It should be Unicode for 1.6
 358         /// installations (although not mandatory for now). Just show one message about it and allow to skip this test.
 359             if (empty($INSTALL['skipdbencodingtest'])) {
 360             /// We haven't checked the skip test checkbox, so perform the test
 361                 $encoding = '';
 362                 switch ($INSTALL['dbtype']) {
 363                     case 'mysql':
 364                     ///Get MySQL character_set_database value
 365                         $rs = $db->Execute("SHOW VARIABLES LIKE 'character_set_database'");
 366                         if ($rs && $rs->RecordCount() > 0) {
 367                             $records = $rs->GetAssoc(true);
 368                             $encoding = $records['character_set_database']['Value'];
 369                             if (strtoupper($encoding) == 'UTF8') {
 370                                 $INSTALL['dbencodingtestresults'] = true;
 371                             } else {
 372                                 // Try to set the encoding now!
 373                                 if (! $db->Metatables()) {  // We have no tables so go ahead
 374                                     $db->Execute("ALTER DATABASE `".$INSTALL['dbname']."` DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci");
 375                                     $rs = $db->Execute("SHOW VARIABLES LIKE 'character_set_database'");  // this works
 376
 377                                     $records = $rs->GetAssoc(true);
 378                                     $encoding = $records['character_set_database']['Value'];
 379
 380                                     if (strtoupper($encoding) == 'UTF8') {
 381                                         $INSTALL['dbencodingtestresults'] = true;
 382                                     } else {
 383                                         $errormsg = get_string('dbwrongencoding', 'install', $encoding);
 384                                         $nextstage = DATABASE;
 385                                         $INSTALL['showskipdbencodingtest'] = true;
 386                                         $INSTALL['dbencodingtestresults'] = false;
 387                                     }
 388                                 } else {
 389                                     $INSTALL['showskipdbencodingtest'] = true;
 390                                     $INSTALL['dbencodingtestresults'] = false;
 391                                 }
 392                             }
 393                         }
 394                         break;
 395                     case 'postgres7':
 396                     ///Get PostgreSQL server_encoding value
 397                         $rs = $db->Execute("SHOW server_encoding");
 398                         if ($rs && $rs->RecordCount() > 0) {
 399                             $encoding = $rs->fields['server_encoding'];
 400                             if (strtoupper($encoding) != 'UNICODE' && strtoupper($encoding) != 'UTF8') {
 401                                 $errormsg = get_string('dbwrongencoding', 'install', $encoding);
 402                                 $nextstage = DATABASE;
 403                                 $INSTALL['showskipdbencodingtest'] = true;
 404                                 $INSTALL['dbencodingtestresults'] = false;
 405                             } else {
 406                                 $INSTALL['dbencodingtestresults'] = true;
 407                             }
 408                         }
 409                         break;
 410                     case 'oci8po':
 411                     ///Get Oracle NLS_CHARACTERSET value
 412                         $rs = $db->Execute("SELECT value FROM nls_database_parameters WHERE parameter = 'NLS_CHARACTERSET'");
 413                         if ($rs && $rs->RecordCount() > 0) {
 414                             $encoding = $rs->fields['value'];
 415                             if (strtoupper($encoding) != 'AL32UTF8') {
 416                                 $errormsg = get_string('dbwrongencoding', 'install', $encoding);
 417                                 $nextstage = DATABASE;
 418                                 $INSTALL['dbencodingtestresults'] = false;
 419                             } else {
 420                                 $INSTALL['dbencodingtestresults'] = true;
 421                             }
 422                         }
 423                     /// Get client NLS_LANG environment variable
 424                         if (strpos(getenv('NLS_LANG'), 'AL32UTF8') === false) { // Oracle client must be correct UTF8
 425                             $errormsg = get_string('dbwrongnlslang', 'install', $encoding);
 426                             $nextstage = DATABASE;
 427                             $INSTALL['dbencodingtestresults'] = false;
 428                         }
 429                         break;
 430                 }
 431             }
 432         }
 433     }
 434
 435     error_reporting(7);
 436
 437     if (($dbconnected === false) and (empty($errormsg)) ) {
 438         $errormsg = get_string('dbconnectionerror', 'install');
 439         $nextstage = DATABASE;
 440     }
 441 }
 442
 443
 444
 445 //==========================================================================//
 446
 447 /// If the next stage is admin directory settings OR we have just come from there then
 448 /// check the admin directory.
 449 /// If we can open a file then we know that the admin name is correct.
 450
 451 if ($nextstage == ADMIN or $INSTALL['stage'] == ADMIN) {
 452     if (!ini_get('allow_url_fopen')) {
 453         $nextstage = ($goforward) ? ENVIRONMENT : DATABASE;
 454     } else if (($fh = @fopen($INSTALL['wwwrootform'].'/'.$INSTALL['admindirname'].'/environment.xml', 'r')) !== false) {
 455         $nextstage = ($goforward) ? ENVIRONMENT : DATABASE;
 456         fclose($fh);
 457     } else {
 458         if ($nextstage != ADMIN) {
 459             $errormsg = get_string('admindirerror', 'install');
 460             $nextstage = ADMIN;
 461         }
 462     }
 463 }
 464
 465 //==========================================================================//
 466
 467 // Check if we can navigate from the environemt page (because it's ok)
 468
 469 if ($INSTALL['stage'] == ENVIRONMENT) {
 470     error_reporting(0);  // Hide errors
 471     $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
 472     error_reporting(7);  // Show errors
 473     if ($dbconnected) {
 474     /// Execute environment check, printing results
 475         if (!check_moodle_environment($INSTALL['release'], $environment_results, false)) {
 476              $nextstage = ENVIRONMENT;
 477         }
 478     } else {
 479     /// We never should reach this because DB has been tested before arriving here
 480         $errormsg = get_string('dbconnectionerror', 'install');
 481         $nextstage = DATABASE;
 482     }
 483 }
 484
 485
 486
 487 //==========================================================================//
 488
 489 // Try to download the lang pack if it has been selected
 490
 491 if ($INSTALL['stage'] == DOWNLOADLANG && $INSTALL['downloadlangpack']) {
 492
 493     $downloadsuccess = false;
 494     $downloaderror = '';
 495
 496     error_reporting(0);  // Hide errors
 497
 498 /// Create necessary lang dir
 499     if (!make_upload_directory('lang', false)) {
 500         $downloaderror = get_string('cannotcreatelangdir', 'error');
 501     }
 502
 503 /// Download and install component
 504     if (($cd = new component_installer('http://download.moodle.org', 'lang16',
 505         $INSTALL['language'].'.zip', 'languages.md5', 'lang')) && empty($errormsg)) {
 506         $status = $cd->install(); //returns ERROR | UPTODATE | INSTALLED
 507         switch ($status) {
 508             case ERROR:
 509                 if ($cd->get_error() == 'remotedownloadnotallowed') {
 510                     $a = new stdClass();
 511                     $a->url = 'http://download.moodle.org/lang16/'.$pack.'zip';
 512                     $a->dest= $CFG->dataroot.'/lang';
 513                     $downloaderror = get_string($cd->get_error(), 'error', $a);
 514                 } else {
 515                     $downloaderror = get_string($cd->get_error(), 'error');
 516                 }
 517             break;
 518             case UPTODATE:
 519             case INSTALLED:
 520                 $downloadsuccess = true;
 521             break;
 522             default:
 523                 //We shouldn't reach this point
 524         }
 525     } else {
 526         //We shouldn't reach this point
 527     }
 528
 529     error_reporting(7);  // Show errors
 530
 531     if ($downloadsuccess) {
 532         $INSTALL['downloadlangpack']       = false;
 533         $INSTALL['showdownloadlangpack']   = false;
 534         $INSTALL['downloadlangpackerror']  = $downloaderror;
 535     } else {
 536         $INSTALL['downloadlangpack']       = false;
 537         $INSTALL['showdownloadlangpack']   = false;
 538         $INSTALL['downloadlangpackerror']  = $downloaderror;
 539     }
 540 }
 541
 542
 543
 544 //==========================================================================//
 545
 546 /// Display or print the data
 547 /// Put the data into a string
 548 /// Try to open config file for writing.
 549
 550 if ($nextstage == SAVE) {
 551
 552     $str  = '<?php  /// Moodle Configuration File '."\r\n";
 553     $str .= "\r\n";
 554
 555     $str .= 'unset($CFG);'."\r\n";
 556     $str .= "\r\n";
 557
 558     $str .= '$CFG->dbtype    = \''.$INSTALL['dbtype']."';\r\n";
 559     $str .= '$CFG->dbhost    = \''.addslashes($INSTALL['dbhost'])."';\r\n";
 560     if (!empty($INSTALL['dbname'])) {
 561         $str .= '$CFG->dbname    = \''.$INSTALL['dbname']."';\r\n";
 562         $str .= '$CFG->dbuser    = \''.$INSTALL['dbuser']."';\r\n";
 563         $str .= '$CFG->dbpass    = \''.$INSTALL['dbpass']."';\r\n";
 564     }
 565     $str .= '$CFG->dbpersist =  false;'."\r\n";
 566     $str .= '$CFG->prefix    = \''.$INSTALL['prefix']."';\r\n";
 567     $str .= "\r\n";
 568
 569     $str .= '$CFG->wwwroot   = \''.s($INSTALL['wwwrootform'],true)."';\r\n";
 570     $str .= '$CFG->dirroot   = \''.s($INSTALL['dirrootform'],true)."';\r\n";
 571     $str .= '$CFG->dataroot  = \''.s($INSTALL['dataroot'],true)."';\r\n";
 572     $str .= '$CFG->admin     = \''.s($INSTALL['admindirname'],true)."';\r\n";
 573     $str .= "\r\n";
 574
 575     $str .= '$CFG->directorypermissions = 00777;  // try 02777 on a server in Safe Mode'."\r\n";
 576     $str .= "\r\n";
 577
 578     if (!$INSTALL['skipdbencodingtest'] && $INSTALL['dbencodingtestresults']) {
 579         $str .= '$CFG->unicodedb = true;  // Database is utf8'."\r\n";
 580         $str .= "\r\n";
 581     }
 582
 583     $str .= 'require_once("$CFG->dirroot/lib/setup.php");'."\r\n";
 584     $str .= '// MAKE SURE WHEN YOU EDIT THIS FILE THAT THERE ARE NO SPACES, BLANK LINES,'."\r\n";
 585     $str .= '// RETURNS, OR ANYTHING ELSE AFTER THE TWO CHARACTERS ON THE NEXT LINE.'."\r\n";
 586     $str .= '?>';
 587
 588     umask(0137);
 589
 590     if (( $configsuccess = ($fh = @fopen($configfile, 'w')) ) !== false) {
 591         fwrite($fh, $str);
 592         fclose($fh);
 593     }
 594
 595
 596     $INSTALL['config'] = $str;
 597 }
 598
 599
 600
 601 //==========================================================================//
 602
 603 ?>
 604 <html dir="<?php echo (get_string('this_direction') == 'rtl') ? 'rtl' : 'ltr' ?>">
 605 <head>
 606 <link rel="shortcut icon" href="theme/standard/favicon.ico" />
 607 <title>Moodle Install</title>
 608 <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
 609 <?php css_styles() ?>
 610 <?php database_js() ?>
 611
 612 </head>
 613
 614 <body>
 615
 616
 617 <?php
 618 if (isset($_GET['help'])) {
 619     print_install_help($_GET['help']);
 620     close_window_button();
 621 } else {
 622 ?>
 623
 624
 625 <table class="main" align="center" cellpadding="3" cellspacing="0">
 626     <tr>
 627         <td class="td_mainlogo">
 628             <p class="p_mainlogo"><img src="pix/moodlelogo-med.gif" width="240" height="60" alt="Moodle logo"></p>
 629         </td>
 630         <td class="td_mainlogo" valign="bottom">
 631             <p class="p_mainheader"><?php print_string('installation', 'install') ?></p>
 632         </td>
 633     </tr>
 634
 635     <tr>
 636         <td class="td_mainheading" colspan="2">
 637             <p class="p_mainheading"><?php echo $headstagetext[$nextstage] ?></p>
 638             <?php /// Exceptionaly, depending of the DB selected, we show some different text
 639                   /// from the standard one to show better instructions for each DB
 640                 if ($nextstage == DATABASE) {
 641                     echo '<script language="JavaScript" type="text/javascript" defer="defer">window.onload=toggledbinfo;</script>';
 642                     echo '<div id="mysql" name="mysql">' . get_string('databasesettingssub_mysql', 'install') . '</div>';
 643
 644                     echo '<div id="postgres7" name="postgres7">' . get_string('databasesettingssub_postgres7', 'install') . '</div>';
 645
 646                     echo '<div id="mssql" name="mssql">' . get_string('databasesettingssub_mssql', 'install');
 647                 /// Link to mssql installation page
 648                     echo '<p align="right"><a href="http://docs.moodle.org/en/Installing_MSSQL_for_PHP" target="_blank">';
 649                     echo '<img src="' . $INSTALL['wwwrootform'] . '/pix/docs.gif' . '" alt="Docs" />';
 650                     echo get_string('moodledocslink', 'install') . '</a></p>';
 651                     echo '</div>';
 652
 653                     echo '<div id="mssql_n" name="mssql">' . get_string('databasesettingssub_mssql_n', 'install');
 654                 /// Link to mssql installation page
 655                     echo '<p align="right"><a href="http://docs.moodle.org/en/Installing_MSSQL_for_PHP" target="_blank">';
 656                     echo '<img src="' . $INSTALL['wwwrootform'] . '/pix/docs.gif' . '" alt="Docs" />';
 657                     echo get_string('moodledocslink', 'install') . '</a></p>';
 658                     echo '</div>';
 659
 660                     echo '<div id="odbc_mssql" name="odbc_mssql">'. get_string('databasesettingssub_odbc_mssql', 'install');
 661                 /// Link to mssql installation page
 662                     echo '<p align="right"><a href="http://docs.moodle.org/en/Installing_MSSQL_for_PHP" target="_blank">';
 663                     echo '<img src="' . $INSTALL['wwwrootform'] . '/pix/docs.gif' . '" alt="Docs" />';
 664                     echo get_string('moodledocslink', 'install') . '</a></p>';
 665                     echo '</div>';
 666
 667                     echo '<div id="oci8po" name="oci8po">' . get_string('databasesettingssub_oci8po', 'install');
 668                 /// Link to oracle installation page
 669                     echo '<p align="right"><a href="http://docs.moodle.org/en/Installing_Oracle_for_PHP" target="_blank">';
 670                     echo '<img src="' . $INSTALL['wwwrootform'] . '/pix/docs.gif' . '" alt="Docs" />';
 671                     echo get_string('moodledocslink', 'install') . '</a></p>';
 672                     echo '</div>';
 673                 } else {
 674                     if (!empty($substagetext[$nextstage])) {
 675                         echo '<p class="p_subheading">' . $substagetext[$nextstage] . '</p>';
 676                     }
 677                 }
 678             ?>
 679         </td>
 680     </tr>
 681
 682     <tr>
 683         <td class="td_main" colspan="2">
 684
 685 <?php
 686
 687 if (!empty($errormsg)) echo "<p class=\"errormsg\" align=\"center\">$errormsg</p>\n";
 688
 689
 690 if ($nextstage == SAVE) {
 691     $INSTALL['stage'] = WELCOME;
 692     $options = array();
 693     $options['lang'] = $INSTALL['language'];
 694     if ($configsuccess) {
 695         echo "<p>".get_string('configfilewritten', 'install')."</p>\n";
 696
 697         echo "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\">\n";
 698         echo "<tr>\n";
 699         echo "<td width=\"33.3%\">&nbsp;</td>\n";
 700         echo "<td width=\"33.3%\">&nbsp;</td>\n";
 701         echo "<td width=\"33.3%\" align=\"right\">\n";
 702         print_single_button("index.php", $options, get_string('continue')."  &raquo;");
 703         echo "</td>\n";
 704         echo "</tr>\n";
 705         echo "</table>\n";
 706
 707     } else {
 708         echo "<p class=\"errormsg\">".get_string('configfilenotwritten', 'install')."</p>";
 709
 710         echo "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\">\n";
 711         echo "<tr>\n";
 712         echo "<td width=\"33.3%\">&nbsp;</td>\n";
 713         echo "<td width=\"33.3%\" align=\"center\">\n";
 714         $installoptions = array();
 715         $installoptions['download'] = 1;
 716         print_single_button("install.php", $installoptions, get_string('download', 'install'));
 717         echo "</td>\n";
 718         echo "<td width=\"33.3%\" align=\"right\">\n";
 719         print_single_button("index.php", $options, get_string('continue')."  &raquo;");
 720         echo "</td>\n";
 721         echo "</tr>\n";
 722         echo "</table>\n";
 723
 724         echo "<hr />\n";
 725         echo "<div style=\"text-align: left\">\n";
 726         print_object(s($str));
 727         echo "</div>\n";
 728     }
 729 } else {
 730     $formaction = (isset($_GET['configfile'])) ? "install.php?configfile=".$_GET['configfile'] : "install.php";
 731     form_table($nextstage, $formaction);
 732 }
 733
 734 ?>
 735
 736         </td>
 737     </tr>
 738 </table>
 739
 740 <?php
 741 }
 742 ?>
 743
 744 </body>
 745 </html>
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756 <?php
 757
 758 //==========================================================================//
 759
 760
 761 function print_object($object) {
 762     echo "<pre>\n";
 763     print_r($object);
 764     echo "</pre>\n";
 765 }
 766
 767
 768
 769 //==========================================================================//
 770
 771 function form_table($nextstage = WELCOME, $formaction = "install.php") {
 772     global $INSTALL, $db;
 773
 774     /// Print the standard form if we aren't in the DOWNLOADLANG page
 775     /// because it has its own form.
 776     if ($nextstage != DOWNLOADLANG) {
 777         $needtoopenform = false;
 778 ?>
 779         <form name="installform" method="post" action="<?php echo $formaction ?>">
 780         <input type="hidden" name="stage" value="<?php echo $nextstage ?>" />
 781
 782 <?php
 783     } else {
 784         $needtoopenform = true;
 785     }
 786 ?>
 787     <table class="install_table" cellspacing="3" cellpadding="3" align="center">
 788
 789 <?php
 790     /// what we do depends on the stage we're at
 791     switch ($nextstage) {
 792         case WELCOME: /// Welcome and language settings
 793 ?>
 794             <tr>
 795                 <td class="td_left"><p><?php print_string('language') ?></p></td>
 796                 <td class="td_right">
 797                 <?php choose_from_menu (get_installer_list_of_languages(), 'language', $INSTALL['language'], '') ?>
 798                 </td>
 799             </tr>
 800
 801 <?php
 802             break;
 803         case COMPATIBILITY: /// Compatibilty check
 804             $compatsuccess = true;
 805
 806             /// Check that PHP is of a sufficient version
 807             print_compatibility_row(inst_check_php_version(), get_string('phpversion', 'install'), get_string('phpversionerror', 'install'), 'phpversionhelp');
 808             /// Check session auto start
 809             print_compatibility_row(!ini_get_bool('session.auto_start'), get_string('sessionautostart', 'install'), get_string('sessionautostarterror', 'install'), 'sessionautostarthelp');
 810             /// Check magic quotes
 811             print_compatibility_row(!ini_get_bool('magic_quotes_runtime'), get_string('magicquotesruntime', 'install'), get_string('magicquotesruntimeerror', 'install'), 'magicquotesruntimehelp');
 812             /// Check unsupported PHP configuration
 813             print_compatibility_row(ini_get_bool('magic_quotes_gpc') || (!ini_get_bool('register_globals')), get_string('globalsquotes', 'install'), get_string('globalsquoteserror', 'install'), 'globalsquoteshelp');
 814             /// Check safe mode
 815             print_compatibility_row(!ini_get_bool('safe_mode'), get_string('safemode', 'install'), get_string('safemodeerror', 'install'), 'safemodehelp', true);
 816             /// Check file uploads
 817             print_compatibility_row(ini_get_bool('file_uploads'), get_string('fileuploads', 'install'), get_string('fileuploadserror', 'install'), 'fileuploadshelp', true);
 818             /// Check GD version
 819             print_compatibility_row(check_gd_version(), get_string('gdversion', 'install'), get_string('gdversionerror', 'install'), 'gdversionhelp', true);
 820             /// Check memory limit
 821             print_compatibility_row(check_memory_limit(), get_string('memorylimit', 'install'), get_string('memorylimiterror', 'install'), 'memorylimithelp', true);
 822
 823
 824             break;
 825         case DIRECTORY: /// Directory settings
 826 ?>
 827
 828             <tr>
 829                 <td class="td_left"><p><?php print_string('wwwroot', 'install') ?></p></td>
 830                 <td class="td_right">
 831                     <input type="text" size="40"name="wwwrootform" value="<?php p($INSTALL['wwwrootform'],true) ?>" />
 832                 </td>
 833             </tr>
 834             <tr>
 835                 <td class="td_left"><p><?php print_string('dirroot', 'install') ?></p></td>
 836                 <td class="td_right">
 837                     <input type="text" size="40" name="dirrootform" value="<?php p($INSTALL['dirrootform'],true) ?>" />
 838                 </td>
 839             </tr>
 840             <tr>
 841                 <td class="td_left"><p><?php print_string('dataroot', 'install') ?></p></td>
 842                 <td class="td_right">
 843                     <input type="text" size="40" name="dataroot" value="<?php p($INSTALL['dataroot'],true) ?>" />
 844                 </td>
 845             </tr>
 846
 847 <?php
 848             break;
 849         case DATABASE: /// Database settings
 850 ?>
 851
 852             <tr>
 853                 <td class="td_left"><p><?php print_string('dbtype', 'install') ?></p></td>
 854                 <td class="td_right">
 855                 <?php choose_from_menu (array('mysql' => get_string('mysql', 'install'),
 856                                               'oci8po' => get_string('oci8po', 'install'),
 857                                               'postgres7' => get_string('postgres7', 'install'),
 858                                               'mssql' => get_string('mssql', 'install'),
 859                                               'mssql_n' => get_string('mssql_n', 'install'),
 860                                               'odbc_mssql' => get_string('odbc_mssql', 'install')),
 861                                         'dbtype', $INSTALL['dbtype'], '', 'toggledbinfo();') ?>
 862                 </td>
 863             </tr>
 864             <tr>
 865                 <td class="td_left"><p><?php print_string('dbhost', 'install') ?></p></td>
 866                 <td class="td_right">
 867                     <input type="text" size="40" name="dbhost" value="<?php echo $INSTALL['dbhost'] ?>" />
 868                 </td>
 869             </tr>
 870             <tr>
 871                 <td class="td_left"><p><?php print_string('database', 'install') ?></p></td>
 872                 <td class="td_right">
 873                     <input type="text" size="40" name="dbname" value="<?php echo $INSTALL['dbname'] ?>" />
 874                 </td>
 875             </tr>
 876             <tr>
 877                 <td class="td_left"><p><?php print_string('user') ?></p></td>
 878                 <td class="td_right">
 879                     <input type="text" size="40" name="dbuser" value="<?php echo $INSTALL['dbuser'] ?>" />
 880                 </td>
 881             </tr>
 882             <tr>
 883                 <td class="td_left"><p><?php print_string('password') ?></p></td>
 884                 <td class="td_right">
 885                     <input type="password" size="40" name="dbpass" value="<?php echo $INSTALL['dbpass'] ?>" />
 886                 </td>
 887             </tr>
 888             <tr>
 889                 <td class="td_left"><p><?php print_string('dbprefix', 'install') ?></p></td>
 890                 <td class="td_right">
 891                     <input type="text" size="40" name="prefix" value="<?php echo $INSTALL['prefix'] ?>" />
 892                 </td>
 893             </tr>
 894             <?php if ($INSTALL['showskipdbencodingtest']) { ?>
 895             <tr>
 896                 <td class="td_left" colspan="2">
 897                     <?php print_checkbox ('skipdbencodingtest', '1', $INSTALL['skipdbencodingtest'], get_string('skipdbencodingtest', 'install')) ?>
 898                 </td>
 899             </tr>
 900             <?php } ?>
 901
 902 <?php
 903             break;
 904         case ADMIN: /// Administration directory setting
 905 ?>
 906
 907             <tr>
 908                 <td class="td_left"><p><?php print_string('admindirname', 'install') ?></p></td>
 909                 <td class="td_right">
 910                     <input type="text" size="40" name="admindirname" value="<?php echo $INSTALL['admindirname'] ?>" />
 911                 </td>
 912             </tr>
 913
 914
 915 <?php
 916             break;
 917         case ENVIRONMENT: /// Environment checks
 918 ?>
 919
 920             <tr>
 921                 <td colspan="2">
 922                 <?php
 923                     error_reporting(0);  // Hide errors
 924                     $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
 925                     error_reporting(7);  // Show errors
 926                     if ($dbconnected) {
 927                     /// Execute environment check, printing results
 928                         check_moodle_environment($INSTALL['release'], $environment_results, true);
 929                     } else {
 930                     /// We never should reach this because DB has been tested before arriving here
 931                         $errormsg = get_string('dbconnectionerror', 'install');
 932                         $nextstage = DATABASE;
 933                         echo '<p class="errormsg" align="center">'.get_string('dbconnectionerror', 'install').'</p>';
 934                     }
 935                 ?>
 936                 </td>
 937             </tr>
 938
 939 <?php
 940             break;
 941         case DOWNLOADLANG: /// Download language from download.moodle.org
 942 ?>
 943
 944             <tr>
 945                 <td colspan="2">
 946                 <?php
 947                 /// Get array of languages, we are going to use it
 948                     $languages=get_installer_list_of_languages();
 949                 /// Print the download form (button) if necessary
 950                     if ($INSTALL['showdownloadlangpack'] == true && substr($INSTALL['language'],0,2) != 'en') {
 951                         $options = array();
 952                         $options['downloadlangpack'] = true;
 953                         $options['stage'] = DOWNLOADLANG;
 954                         $options['same'] = true;
 955                         print_simple_box_start('center');
 956                         print_single_button('install.php', $options, get_string('downloadlanguagebutton','install', $languages[$INSTALL['language']]), 'POST');
 957                         print_simple_box_end();
 958                     } else {
 959                 /// Show result info
 960                     /// English lang packs aren't downloaded
 961                         if (substr($INSTALL['language'],0,2) == 'en') {
 962                             print_simple_box(get_string('downloadlanguagenotneeded', 'install', $languages[$INSTALL['language']]), 'center', '80%');
 963                         } else {
 964                             if ($INSTALL['downloadlangpackerror']) {
 965                                 echo "<p class=\"errormsg\" align=\"center\">".$INSTALL['downloadlangpackerror']."</p>\n";
 966                                 print_simple_box(get_string('langdownloaderror', 'install', $languages[$INSTALL['language']]), 'center', '80%');
 967                             } else {
 968                                 print_simple_box(get_string('langdownloadok', 'install', $languages[$INSTALL['language']]), 'center', '80%');
 969                             }
 970                         }
 971                     }
 972                 ?>
 973                 </td>
 974             </tr>
 975
 976 <?php
 977             break;
 978         default:
 979     }
 980 ?>
 981
 982     <tr>
 983         <td colspan="<?php echo ($nextstage == COMPATIBILITY) ? 3 : 2; ?>">
 984
 985 <?php
 986     if ($needtoopenform) {
 987 ?>
 988             <form name="installform" method="post" action="<?php echo $formaction ?>">
 989             <input type="hidden" name="stage" value="<?php echo $nextstage ?>" />
 990 <?php
 991     }
 992 ?>
 993
 994             <?php echo ($nextstage < SAVE) ? "<input type=\"submit\" name=\"next\" value=\"".get_string('next')."  &raquo;\" style=\"float: right\"/>\n" : "&nbsp;\n" ?>
 995             <?php echo ($nextstage > WELCOME) ? "<input type=\"submit\" name=\"prev\" value=\"&laquo;  ".get_string('previous')."\" style=\"float: left\"/>\n" : "&nbsp;\n" ?>
 996
 997 <?php
 998     if ($needtoopenform) {
 999 ?>
1000             </form>
1001 <?php
1002     }
1003 ?>
1004
1005
1006         </td>
1007
1008     </tr>
1009
1010     </table>
1011 <?php
1012     if (!$needtoopenform) {
1013 ?>
1014     </form>
1015 <?php
1016     }
1017 ?>
1018
1019 <?php
1020 }
1021
1022
1023
1024 //==========================================================================//
1025
1026 function print_compatibility_row($success, $testtext, $errormessage, $helpfield='', $caution=false) {
1027     echo "<tr>\n";
1028     echo "<td class=\"td_left\" valign=\"top\" nowrap width=\"160\"><p>$testtext</p></td>\n";
1029     if ($success) {
1030         echo "<td valign=\"top\"><p class=\"p_pass\">".get_string('pass', 'install')."</p></td>\n";
1031         echo "<td valign=\"top\">&nbsp;</td>\n";
1032     } else {
1033         echo "<td valign=\"top\"";
1034         echo ($caution) ? "<p class=\"p_caution\">".get_string('caution', 'install') : "<p class=\"p_fail\">".get_string('fail', 'install');
1035         echo "</p></td>\n";
1036         echo "<td valign=\"top\">";
1037         echo "<p>$errormessage ";
1038         install_helpbutton("install.php?help=$helpfield");
1039         echo "</p></td>\n";
1040     }
1041     echo "</tr>\n";
1042     return $success;
1043 }
1044
1045
1046 //==========================================================================//
1047
1048 function install_helpbutton($url, $title='') {
1049     if ($title == '') {
1050         $title = get_string('help');
1051     }
1052     echo "<a href=\"javascript: void(0)\">";
1053     echo "<img src=\"./pix/help.gif\" height=\"17\" width=\"17\" alt=\"$title\"";
1054     echo "border=\"0\" align=\"middle\" title=\"$title\" ";
1055     echo "onClick=\"return window.open('$url', 'Help', 'menubar=0,location=0,scrollbars,resizable,width=500,height=400')\">";
1056     echo "</a>\n";
1057 }
1058
1059
1060
1061 //==========================================================================//
1062
1063 function print_install_help($help) {
1064     switch ($help) {
1065         case 'phpversionhelp':
1066             print_string($help, 'install', phpversion());
1067             break;
1068         case 'memorylimithelp':
1069             print_string($help, 'install', get_memory_limit());
1070             break;
1071         default:
1072             print_string($help, 'install');
1073     }
1074 }
1075
1076
1077 //==========================================================================//
1078
1079 function get_memory_limit() {
1080     if ($limit = ini_get('memory_limit')) {
1081         return $limit;
1082     } else {
1083         return get_cfg_var('memory_limit');
1084     }
1085 }
1086
1087 //==========================================================================//
1088
1089 function check_memory_limit() {
1090
1091     /// if limit is already 16M or more then we don't care if we can change it or not
1092     if ((int)str_replace('M', '', get_memory_limit()) >= 16) {
1093         return true;
1094     }
1095
1096     /// Otherwise, see if we can change it ourselves
1097     @ini_set('memory_limit', '16M');
1098     return ((int)str_replace('M', '', get_memory_limit()) >= 16);
1099 }
1100
1101 //==========================================================================//
1102
1103 function inst_check_php_version() {
1104     if (!check_php_version("4.3.0")) {
1105         return false;
1106     } else if (check_php_version("5.0.0")) {
1107         return check_php_version("5.1.0"); // 5.0.x is too buggy
1108     }
1109     return true; // 4.3.x or 4.4.x is fine
1110 }
1111 //==========================================================================//
1112
1113 /* This function returns a list of languages and their full names. The
1114  * list of available languages is fetched from install/lang/xx/installer.php
1115  * and it's used exclusively by the installation process
1116  * @return array An associative array with contents in the form of LanguageCode => LanguageName
1117  */
1118 function get_installer_list_of_languages() {
1119
1120     global $CFG;
1121
1122     $languages = array();
1123
1124 /// Get raw list of lang directories
1125     $langdirs = get_list_of_plugins('install/lang');
1126     asort($langdirs);
1127 /// Get some info from each lang
1128     foreach ($langdirs as $lang) {
1129         if (file_exists($CFG->dirroot .'/install/lang/'. $lang .'/installer.php')) {
1130             include($CFG->dirroot .'/install/lang/'. $lang .'/installer.php');
1131             if (substr($lang, -5) == '_utf8') {   //Remove the _utf8 suffix from the lang to show
1132                 $shortlang = substr($lang, 0, -5);
1133             } else {
1134                 $shortlang = $lang;
1135             }
1136             if ($lang == 'en') {  //Explain this is non-utf8 en
1137                 $shortlang = 'non-utf8 en';
1138             }
1139             if (!empty($string['thislanguage'])) {
1140                 $languages[$lang] = $string['thislanguage'] .' ('. $shortlang .')';
1141             }
1142             unset($string);
1143         }
1144     }
1145 /// Return array
1146     return $languages;
1147 }
1148
1149 //==========================================================================//
1150
1151 function css_styles() {
1152 ?>
1153
1154 <style type="text/css">
1155
1156     body { background-color: #ffeece; }
1157     p, li, td {
1158         font-family: helvetica, arial, sans-serif;
1159         font-size: 10pt;
1160     }
1161     a { text-decoration: none; color: blue; }
1162     .errormsg {
1163         color: red;
1164         font-weight: bold;
1165     }
1166     blockquote {
1167         font-family: courier, monospace;
1168         font-size: 10pt;
1169     }
1170     .install_table {
1171         width: 500px;
1172     }
1173     .td_left {
1174         text-align: right;
1175         font-weight: bold;
1176     }
1177     .td_right {
1178         text-align: left;
1179     }
1180     .main {
1181         width: 500px;
1182         border-width: 1px;
1183         border-style: solid;
1184         border-color: #ffc85f;
1185         -moz-border-radius-bottomleft: 15px;
1186         -moz-border-radius-bottomright: 15px;
1187     }
1188     .td_mainheading {
1189         background-color: #fee6b9;
1190         padding: 10px;
1191     }
1192     .td_main {
1193         text-align: center;
1194     }
1195     .td_mainlogo {
1196     }
1197     .p_mainlogo {
1198     }
1199     .p_mainheading {
1200         font-size: 11pt;
1201     }
1202     .p_subheading {
1203         font-size: 10pt;
1204         padding: 10px;
1205     }
1206     .p_mainheader{
1207         text-align: right;
1208         font-size: 20pt;
1209         font-weight: bold;
1210     }
1211     .p_pass {
1212         color: green;
1213         font-weight: bold;
1214     }
1215     .p_fail {
1216         color: red;
1217         font-weight: bold;
1218     }
1219     .p_caution {
1220         color: #ff6600;
1221         font-weight: bold;
1222     }
1223     .p_help {
1224         text-align: center;
1225         font-family: helvetica, arial, sans-serif;
1226         font-size: 14pt;
1227         font-weight: bold;
1228         color: #333333;
1229     }
1230     .environmenttable {
1231         font-size: 10pt;
1232         border-color: #ffc85f;
1233     }
1234     .header {
1235         background-color: #fee6b9;
1236         font-size: 10pt;
1237     }
1238     .cell {
1239         background-color: #ffeece;
1240         font-size: 10pt;
1241     }
1242     .error {
1243         color: #ff0000;
1244     }
1245     .errorboxcontent {
1246         text-align: center;
1247         font-weight: bold;
1248         padding: 20px;
1249         color: #ff0000;
1250     }
1251     #mysql, #postgres7, #mssql, #mssql_n, #odbc_mssql, #oci8po {
1252         display: none;
1253     }
1254
1255 </style>
1256
1257 <?php
1258 }
1259
1260 //==========================================================================//
1261
1262 function database_js() {
1263 ?>
1264
1265 <script language="JavaScript" type="text/javascript" defer="defer">
1266 function toggledbinfo() {
1267     //Calculate selected value
1268     var showid = 'mysql';
1269     if (document.installform.dbtype.value) {
1270         showid = document.installform.dbtype.value;
1271     }
1272     if (document.getElementById) {
1273         //Hide all the divs
1274         document.getElementById('mysql').style.display = '';
1275         document.getElementById('postgres7').style.display = '';
1276         document.getElementById('mssql').style.display = '';
1277         document.getElementById('mssql_n').style.display = '';
1278         document.getElementById('odbc_mssql').style.display = '';
1279         document.getElementById('oci8po').style.display = '';
1280         //Show the selected div
1281         document.getElementById(showid).style.display = 'block';
1282     } else if (document.all) {
1283         //This is the way old msie versions work
1284         //Hide all the divs
1285         document.all['mysql'].style.display = '';
1286         document.all['postgres7'].style.display = '';
1287         document.all['mssql'].style.display = '';
1288         document.all['mssql_n'].style.display = '';
1289         document.all['odbc_mssql'].style.display = '';
1290         document.all['oci8po'].style.display = '';
1291         //Show the selected div
1292         document.all[showid].style.display = 'block';
1293     } else if (document.layers) {
1294         //This is the way nn4 works
1295         //Hide all the divs
1296         document.layers['mysql'].style.display = '';
1297         document.layers['postgres7'].style.display = '';
1298         document.layers['mssql'].style.display = '';
1299         document.layers['mssql_n'].style.display = '';
1300         document.layers['odbc_mssql'].style.display = '';
1301         document.layers['oci8po'].style.display = '';
1302         //Show the selected div
1303         document.layers[showid].style.display = 'block';
1304     }
1305 }
1306 </script>
1307
1308 <?php
1309 }
1310 ?>