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     $configfile = './config.php';
  11 }
  12
  13 ///==========================================================================//
  14 /// We are doing this in stages
  15 define ('WELCOME',            0); /// 0. Welcome and language settings
  16 define ('COMPATIBILITY',      1); /// 1. Compatibility
  17 define ('DIRECTORY',          2); /// 2. Directory settings
  18 define ('DATABASE',           3); /// 2. Database settings
  19 define ('ADMIN',              4); /// 4. Administration directory name
  20 define ('ENVIRONMENT',        5); /// 5. Administration directory name
  21 define ('DOWNLOADLANG',       6); /// 6. Load complete lang from download.moodle.org
  22 define ('SAVE',               7); /// 7. Save or display the settings
  23 define ('REDIRECT',           8); /// 8. Redirect to index.php
  24 ///==========================================================================//
  25
  26
  27 /// This has to be defined to avoid a notice in current_language()
  28 define('SITEID', 0);
  29
  30 /// Begin the session as we are holding all information in a session
  31 /// variable until the end.
  32
  33 session_name('MoodleSession');
  34 @session_start();
  35
  36 /// make sure PHP errors are displayed to help diagnose problems
  37 @error_reporting(1023); //E_ALL not used because we do not want strict notices in PHP5 yet
  38 @ini_set('display_errors', '1');
  39
  40 if (! isset($_SESSION['INSTALL'])) {
  41     $_SESSION['INSTALL'] = array();
  42 }
  43
  44 $INSTALL = &$_SESSION['INSTALL'];   // Makes it easier to reference
  45
  46 /// detect if install was attempted from diferent directory, if yes reset session to prevent errors,
  47 /// dirroot location now fixed in installer
  48 if (!empty($INSTALL['dirroot']) and $INSTALL['dirroot'] != dirname(__FILE__)) {
  49     $_SESSION['INSTALL'] = array();
  50 }
  51
  52 /// If it's our first time through this script then we need to set some default values
  53
  54 if ( empty($INSTALL['language']) and empty($_POST['language']) ) {
  55
  56     /// set defaults
  57     $INSTALL['language']        = 'en_utf8';
  58
  59     $INSTALL['dbhost']          = 'localhost';
  60     $INSTALL['dbuser']          = '';
  61     $INSTALL['dbpass']          = '';
  62     $INSTALL['dbtype']          = 'mysql';
  63     $INSTALL['dbname']          = 'moodle';
  64     $INSTALL['prefix']          = 'mdl_';
  65
  66     $INSTALL['downloadlangpack']       = false;
  67     $INSTALL['showdownloadlangpack']   = true;
  68     $INSTALL['downloadlangpackerror']  = '';
  69
  70 /// To be used by the Installer
  71     $INSTALL['wwwroot']         = '';
  72     $INSTALL['dirroot']         = dirname(__FILE__);
  73     $INSTALL['dataroot']        = dirname(dirname(__FILE__)) . DIRECTORY_SEPARATOR . 'moodledata';
  74
  75 /// To be configured in the Installer
  76     $INSTALL['wwwrootform']         = '';
  77     $INSTALL['dirrootform']         = dirname(__FILE__);
  78
  79     $INSTALL['admindirname']    = 'admin';
  80
  81     $INSTALL['stage'] = WELCOME;
  82 }
  83
  84 //==========================================================================//
  85
  86 /// Set the page to Unicode always
  87
  88 header('Content-Type: text/html; charset=UTF-8');
  89
  90 /// Was data submitted?
  91
  92 if (isset($_POST['stage'])) {
  93
  94     /// Get the stage for which the form was set and the next stage we are going to
  95
  96     $gpc = ini_get('magic_quotes_gpc');
  97     $gpc = ($gpc == '1' or strtolower($gpc) == 'on');
  98
  99     /// Store any posted data
 100     foreach ($_POST as $setting=>$value) {
 101         if ($gpc) {
 102             $value = stripslashes($value);
 103         }
 104
 105         $INSTALL[$setting] = $value;
 106     }
 107
 108     if ( $goforward = (! empty( $_POST['next'] )) ) {
 109         $nextstage = $_POST['stage'] + 1;
 110     } else if (! empty( $_POST['prev'])) {
 111         $nextstage = $_POST['stage'] - 1;
 112         $INSTALL['stage'] = $_POST['stage'] - 1;
 113     } else if (! empty( $_POST['same'] )) {
 114         $nextstage = $_POST['stage'];
 115     }
 116
 117     $nextstage = (int)$nextstage;
 118
 119     if ($nextstage < 0) {
 120         $nextstage = WELCOME;
 121     }
 122
 123
 124 } else {
 125
 126     $goforward = true;
 127     $nextstage = WELCOME;
 128
 129 }
 130
 131 //==========================================================================//
 132
 133 /// Fake some settings so that we can use selected functions from moodlelib.php and weblib.php
 134
 135 $SESSION->lang = (!empty($_POST['language'])) ? $_POST['language'] : $INSTALL['language'];
 136 $CFG->dirroot = $INSTALL['dirroot'];
 137 $CFG->libdir = $INSTALL['dirroot'].'/lib';
 138 $CFG->dataroot = $INSTALL['dataroot'];
 139 $CFG->admin = $INSTALL['admindirname'];
 140 $CFG->directorypermissions = 00777;
 141 $CFG->running_installer = true;
 142 $CFG->docroot = 'http://docs.moodle.org';
 143 $COURSE->id = 0;
 144
 145 /// Include some moodle libraries
 146
 147 require_once($CFG->libdir.'/adminlib.php');
 148 require_once($CFG->libdir.'/setuplib.php');
 149 require_once($CFG->libdir.'/moodlelib.php');
 150 require_once($CFG->libdir.'/weblib.php');
 151 require_once($CFG->libdir.'/deprecatedlib.php');
 152 require_once($CFG->libdir.'/adodb/adodb.inc.php');
 153 require_once($CFG->libdir.'/environmentlib.php');
 154 require_once($CFG->libdir.'/xmlize.php');
 155 require_once($CFG->libdir.'/componentlib.class.php');
 156 require_once($CFG->dirroot.'/version.php');
 157
 158 /// Set version and release
 159 $INSTALL['version'] = $version;
 160 $INSTALL['release'] = $release;
 161
 162 /// Have the $db object ready because we are going to use it often
 163 define ('ADODB_ASSOC_CASE', 0); //Use lowercase fieldnames for ADODB_FETCH_ASSOC
 164 $db = &ADONewConnection($INSTALL['dbtype']);
 165 $db->SetFetchMode(ADODB_FETCH_ASSOC);
 166
 167 /// guess the www root
 168 if ($INSTALL['wwwroot'] == '') {
 169     list($INSTALL['wwwroot'], $xtra) = explode('/install.php', qualified_me());
 170     $INSTALL['wwwrootform'] = $INSTALL['wwwroot'];
 171
 172     // now try to guess the correct dataroot not accessible via web
 173     $CFG->wwwroot = $INSTALL['wwwroot'];
 174     $i = 0; //safety check - dirname might return some unexpected results
 175     while(is_dataroot_insecure()) {
 176         $parrent = dirname($CFG->dataroot);
 177         $i++;
 178         if ($parrent == '/' or $parrent == '.' or preg_match('/^[a-z]:\\\?$/i', $parrent) or ($i > 100)) {
 179             $CFG->dataroot = ''; //can not find secure location for dataroot
 180             break;
 181         }
 182         $CFG->dataroot = dirname($parrent).'/moodledata';
 183     }
 184     $INSTALL['dataroot'] = $CFG->dataroot;
 185 }
 186
 187 $headstagetext = array(WELCOME       => get_string('chooselanguagehead', 'install'),
 188                        COMPATIBILITY => get_string('compatibilitysettingshead', 'install'),
 189                        DIRECTORY     => get_string('directorysettingshead', 'install'),
 190                        DATABASE      => get_string('databasesettingshead', 'install'),
 191                        ADMIN         => get_string('admindirsettinghead', 'install'),
 192                        ENVIRONMENT   => get_string('environmenthead', 'install'),
 193                        DOWNLOADLANG  => get_string('downloadlanguagehead', 'install'),
 194                        SAVE          => get_string('configurationcompletehead', 'install')
 195                         );
 196
 197 $substagetext = array(WELCOME       => get_string('chooselanguagesub', 'install'),
 198                       COMPATIBILITY => get_string('compatibilitysettingssub', 'install'),
 199                       DIRECTORY     => get_string('directorysettingssub', 'install'),
 200                       DATABASE      => get_string('databasesettingssub', 'install'),
 201                       ADMIN         => get_string('admindirsettingsub', 'install'),
 202                       ENVIRONMENT   => get_string('environmentsub', 'install'),
 203                       DOWNLOADLANG  => get_string('downloadlanguagesub', 'install'),
 204                       SAVE          => get_string('configurationcompletesub', 'install')
 205                        );
 206
 207
 208
 209 //==========================================================================//
 210
 211 /// Are we in help mode?
 212
 213 if (isset($_GET['help'])) {
 214     $nextstage = -1;
 215 }
 216
 217
 218
 219 //==========================================================================//
 220
 221 /// Are we in config download mode?
 222
 223 if (isset($_GET['download'])) {
 224     header("Content-Type: application/x-forcedownload\n");
 225     header("Content-Disposition: attachment; filename=\"config.php\"");
 226     echo $INSTALL['config'];
 227     exit;
 228 }
 229
 230
 231
 232
 233
 234 //==========================================================================//
 235
 236 /// Check the directory settings
 237
 238 if ($INSTALL['stage'] == DIRECTORY) {
 239
 240     error_reporting(0);
 241
 242     /// check wwwroot
 243     if (ini_get('allow_url_fopen') && false) {  /// This was not reliable
 244         if (($fh = @fopen($INSTALL['wwwrootform'].'/install.php', 'r')) === false) {
 245             $errormsg .= get_string('wwwrooterror', 'install').'<br />';
 246             $INSTALL['wwwrootform'] = $INSTALL['wwwroot'];
 247         }
 248     }
 249     if ($fh) fclose($fh);
 250
 251     /// check dirroot
 252     if (($fh = @fopen($INSTALL['dirrootform'].'/install.php', 'r')) === false ) {
 253         $errormsg .= get_string('dirrooterror', 'install').'<br />';
 254         $INSTALL['dirrootform'] = $INSTALL['dirroot'];
 255     }
 256     if ($fh) fclose($fh);
 257
 258     /// check dataroot
 259     $CFG->dataroot = $INSTALL['dataroot'];
 260     if (make_upload_directory('sessions', false) === false ) {
 261         $errormsg .= get_string('datarooterror', 'install').'<br />';
 262     }
 263     if ($fh) fclose($fh);
 264
 265     if (!empty($errormsg)) $nextstage = DIRECTORY;
 266
 267     error_reporting(7);
 268 }
 269
 270
 271
 272 //==========================================================================//
 273
 274 /// Check database settings if stage 3 data submitted
 275 /// Try to connect to the database. If that fails then try to create the database
 276
 277 if ($INSTALL['stage'] == DATABASE) {
 278
 279     /// different format for postgres7 by socket
 280     if ($INSTALL['dbtype'] == 'postgres7' and ($INSTALL['dbhost'] == 'localhost' || $INSTALL['dbhost'] == '127.0.0.1')) {
 281         $INSTALL['dbhost'] = "user='{$INSTALL['dbuser']}' password='{$INSTALL['dbpass']}' dbname='{$INSTALL['dbname']}'";
 282         $INSTALL['dbuser'] = '';
 283         $INSTALL['dbpass'] = '';
 284         $INSTALL['dbname'] = '';
 285
 286         if ($INSTALL['prefix'] == '') { /// must have a prefix
 287             $INSTALL['prefix'] = 'mdl_';
 288         }
 289     }
 290
 291     if ($INSTALL['dbtype'] == 'mysql') {  /// Check MySQL extension is present
 292         if (!extension_loaded('mysql')) {
 293             $errormsg = get_string('mysqlextensionisnotpresentinphp', 'install');
 294             $nextstage = DATABASE;
 295         }
 296     }
 297
 298     if ($INSTALL['dbtype'] == 'mysqli') {  /// Check MySQLi extension is present
 299         if (!extension_loaded('mysqli')) {
 300             $errormsg = get_string('mysqliextensionisnotpresentinphp', 'install');
 301             $nextstage = DATABASE;
 302         }
 303     }
 304
 305     if ($INSTALL['dbtype'] == 'postgres7') {  /// Check PostgreSQL extension is present
 306         if (!extension_loaded('pgsql')) {
 307             $errormsg = get_string('pgsqlextensionisnotpresentinphp', 'install');
 308             $nextstage = DATABASE;
 309         }
 310     }
 311
 312     if ($INSTALL['dbtype'] == 'mssql') {  /// Check MSSQL extension is present
 313         if (!function_exists('mssql_connect')) {
 314             $errormsg = get_string('mssqlextensionisnotpresentinphp', 'install');
 315             $nextstage = DATABASE;
 316         }
 317     }
 318
 319     if ($INSTALL['dbtype'] == 'mssql_n') {  /// Check MSSQL extension is present
 320         if (!function_exists('mssql_connect')) {
 321             $errormsg = get_string('mssqlextensionisnotpresentinphp', 'install');
 322             $nextstage = DATABASE;
 323         }
 324     }
 325
 326     if ($INSTALL['dbtype'] == 'odbc_mssql') {  /// Check ODBC extension is present
 327         if (!extension_loaded('odbc')) {
 328             $errormsg = get_string('odbcextensionisnotpresentinphp', 'install');
 329             $nextstage = DATABASE;
 330         }
 331     }
 332
 333     if ($INSTALL['dbtype'] == 'oci8po') {  /// Check OCI extension is present
 334         if (!extension_loaded('oci8')) {
 335             $errormsg = get_string('ociextensionisnotpresentinphp', 'install');
 336             $nextstage = DATABASE;
 337         }
 338     }
 339
 340     if (empty($INSTALL['prefix']) && $INSTALL['dbtype'] != 'mysql' && $INSTALL['dbtype'] != 'mysqli') { // All DBs but MySQL require prefix (reserv. words)
 341         $errormsg = get_string('dbwrongprefix', 'install');
 342         $nextstage = DATABASE;
 343     }
 344
 345     if ($INSTALL['dbtype'] == 'oci8po' && strlen($INSTALL['prefix']) > 2) { // Oracle max prefix = 2cc (30cc limit)
 346         $errormsg = get_string('dbwrongprefix', 'install');
 347         $nextstage = DATABASE;
 348     }
 349
 350     if ($INSTALL['dbtype'] == 'oci8po' && !empty($INSTALL['dbhost'])) { // Oracle host must be blank (tnsnames.ora has it)
 351         $errormsg = get_string('dbwronghostserver', 'install');
 352         $nextstage = DATABASE;
 353     }
 354
 355     if (empty($errormsg)) {
 356
 357         error_reporting(0);  // Hide errors
 358
 359         if (! $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname'])) {
 360             $db->database = ''; // reset database name cached by ADODB. Trick from MDL-9609
 361             if ($dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'])) { /// Try to connect without DB
 362                 switch ($INSTALL['dbtype']) {   /// Try to create a database
 363                     case 'mysql':
 364                     case 'mysqli':
 365                         if ($db->Execute("CREATE DATABASE {$INSTALL['dbname']} DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci;")) {
 366                             $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
 367                         } else {
 368                             $errormsg = get_string('dbcreationerror', 'install');
 369                             $nextstage = DATABASE;
 370                         }
 371                         break;
 372                 }
 373             }
 374         } else {
 375         /// We have been able to connect properly, just test the database encoding now.
 376         /// It must be Unicode for 1.8 installations.
 377             $encoding = '';
 378             switch ($INSTALL['dbtype']) {
 379                 case 'mysql':
 380                 case 'mysqli':
 381                 /// Get MySQL character_set_database value
 382                     $rs = $db->Execute("SHOW VARIABLES LIKE 'character_set_database'");
 383                     if ($rs && !$rs->EOF) {
 384                         $records = $rs->GetAssoc(true);
 385                         $encoding = $records['character_set_database']['Value'];
 386                         if (strtoupper($encoding) != 'UTF8') {
 387                         /// Try to set the encoding now!
 388                             if (! $db->Metatables()) {  // We have no tables so go ahead
 389                                 $db->Execute("ALTER DATABASE `".$INSTALL['dbname']."` DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci");
 390                                 $rs = $db->Execute("SHOW VARIABLES LIKE 'character_set_database'");  // this works
 391
 392                             }
 393                         }
 394                         /// If conversion fails, skip, let environment testing do the job
 395                     }
 396                     break;
 397                 case 'postgres7':
 398                 /// Skip, let environment testing do the job
 399                     break;
 400                 case 'oci8po':
 401                 /// Skip, let environment testing do the job
 402                     break;
 403             }
 404         }
 405     }
 406
 407     error_reporting(7);
 408
 409     if (($dbconnected === false) and (empty($errormsg)) ) {
 410         $errormsg = get_string('dbconnectionerror', 'install');
 411         $nextstage = DATABASE;
 412     }
 413 }
 414
 415
 416
 417 //==========================================================================//
 418
 419 /// If the next stage is admin directory settings OR we have just come from there then
 420 /// check the admin directory.
 421 /// If we can open a file then we know that the admin name is correct.
 422
 423 if ($nextstage == ADMIN or $INSTALL['stage'] == ADMIN) {
 424     if (!ini_get('allow_url_fopen')) {
 425         $nextstage = ($goforward) ? ENVIRONMENT : DATABASE;
 426     } else if (($fh = @fopen($INSTALL['wwwrootform'].'/'.$INSTALL['admindirname'].'/environment.xml', 'r')) !== false) {
 427         $nextstage = ($goforward) ? ENVIRONMENT : DATABASE;
 428         fclose($fh);
 429     } else {
 430         $nextstage = ($goforward) ? ENVIRONMENT : DATABASE;
 431         //if ($nextstage != ADMIN) {
 432         //    $errormsg = get_string('admindirerror', 'install');
 433         //    $nextstage = ADMIN;
 434         // }
 435     }
 436 }
 437
 438 //==========================================================================//
 439
 440 // Check if we can navigate from the environemt page (because it's ok)
 441
 442 if ($INSTALL['stage'] == ENVIRONMENT) {
 443     error_reporting(0);  // Hide errors
 444     $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
 445     error_reporting(7);  // Show errors
 446     if ($dbconnected) {
 447     /// Execute environment check, printing results
 448         if (!check_moodle_environment($INSTALL['release'], $environment_results, false)) {
 449              $nextstage = ENVIRONMENT;
 450         }
 451     } else {
 452     /// We never should reach this because DB has been tested before arriving here
 453         $errormsg = get_string('dbconnectionerror', 'install');
 454         $nextstage = DATABASE;
 455     }
 456 }
 457
 458
 459
 460 //==========================================================================//
 461
 462 // Try to download the lang pack if it has been selected
 463
 464 if ($INSTALL['stage'] == DOWNLOADLANG && $INSTALL['downloadlangpack']) {
 465
 466     $downloadsuccess = false;
 467     $downloaderror = '';
 468
 469     error_reporting(0);  // Hide errors
 470
 471 /// Create necessary lang dir
 472     if (!make_upload_directory('lang', false)) {
 473         $downloaderror = get_string('cannotcreatelangdir', 'error');
 474     }
 475
 476 /// Download and install component
 477     if (($cd = new component_installer('http://download.moodle.org', 'lang16',
 478         $INSTALL['language'].'.zip', 'languages.md5', 'lang')) && empty($errormsg)) {
 479         $status = $cd->install(); //returns COMPONENT_(ERROR | UPTODATE | INSTALLED)
 480         switch ($status) {
 481             case COMPONENT_ERROR:
 482                 if ($cd->get_error() == 'remotedownloaderror') {
 483                     $a = new stdClass();
 484                     $a->url = 'http://download.moodle.org/lang16/'.$INSTALL['language'].'.zip';
 485                     $a->dest= $CFG->dataroot.'/lang';
 486                     $downloaderror = get_string($cd->get_error(), 'error', $a);
 487                 } else {
 488                     $downloaderror = get_string($cd->get_error(), 'error');
 489                 }
 490             break;
 491             case COMPONENT_UPTODATE:
 492             case COMPONENT_INSTALLED:
 493                 $downloadsuccess = true;
 494             break;
 495             default:
 496                 //We shouldn't reach this point
 497         }
 498     } else {
 499         //We shouldn't reach this point
 500     }
 501
 502     error_reporting(7);  // Show errors
 503
 504     if ($downloadsuccess) {
 505         $INSTALL['downloadlangpack']       = false;
 506         $INSTALL['showdownloadlangpack']   = false;
 507         $INSTALL['downloadlangpackerror']  = $downloaderror;
 508     } else {
 509         $INSTALL['downloadlangpack']       = false;
 510         $INSTALL['showdownloadlangpack']   = false;
 511         $INSTALL['downloadlangpackerror']  = $downloaderror;
 512     }
 513 }
 514
 515
 516
 517 //==========================================================================//
 518
 519 /// Display or print the data
 520 /// Put the data into a string
 521 /// Try to open config file for writing.
 522
 523 if ($nextstage == SAVE) {
 524
 525     $str  = '<?php  /// Moodle Configuration File '."\r\n";
 526     $str .= "\r\n";
 527
 528     $str .= 'unset($CFG);'."\r\n";
 529     $str .= "\r\n";
 530
 531     $str .= '$CFG->dbtype    = \''.$INSTALL['dbtype']."';\r\n";
 532     $str .= '$CFG->dbhost    = \''.addslashes($INSTALL['dbhost'])."';\r\n";
 533     if (!empty($INSTALL['dbname'])) {
 534         $str .= '$CFG->dbname    = \''.$INSTALL['dbname']."';\r\n";
 535         // support single quotes in db user/passwords
 536         $str .= '$CFG->dbuser    = \''.addsingleslashes($INSTALL['dbuser'])."';\r\n";
 537         $str .= '$CFG->dbpass    = \''.addsingleslashes($INSTALL['dbpass'])."';\r\n";
 538     }
 539     $str .= '$CFG->dbpersist =  false;'."\r\n";
 540     $str .= '$CFG->prefix    = \''.$INSTALL['prefix']."';\r\n";
 541     $str .= "\r\n";
 542
 543     $str .= '$CFG->wwwroot   = \''.s($INSTALL['wwwrootform'],true)."';\r\n";
 544     $str .= '$CFG->dirroot   = \''.s($INSTALL['dirrootform'],true)."';\r\n";
 545     $str .= '$CFG->dataroot  = \''.s($INSTALL['dataroot'],true)."';\r\n";
 546     $str .= '$CFG->admin     = \''.s($INSTALL['admindirname'],true)."';\r\n";
 547     $str .= "\r\n";
 548
 549     $str .= '$CFG->directorypermissions = 00777;  // try 02777 on a server in Safe Mode'."\r\n";
 550     $str .= "\r\n";
 551
 552     $str .= 'require_once("$CFG->dirroot/lib/setup.php");'."\r\n";
 553     $str .= '// MAKE SURE WHEN YOU EDIT THIS FILE THAT THERE ARE NO SPACES, BLANK LINES,'."\r\n";
 554     $str .= '// RETURNS, OR ANYTHING ELSE AFTER THE TWO CHARACTERS ON THE NEXT LINE.'."\r\n";
 555     $str .= '?>';
 556
 557     umask(0137);
 558
 559     if (( $configsuccess = ($fh = @fopen($configfile, 'w')) ) !== false) {
 560         fwrite($fh, $str);
 561         fclose($fh);
 562     }
 563
 564
 565     $INSTALL['config'] = $str;
 566 }
 567
 568
 569
 570 //==========================================================================//
 571
 572 ?>
 573 <html dir="<?php echo (right_to_left() ? 'rtl' : 'ltr'); ?>">
 574 <head>
 575 <link rel="shortcut icon" href="theme/standard/favicon.ico" />
 576 <title>Moodle Install</title>
 577 <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
 578 <?php css_styles() ?>
 579 <?php database_js() ?>
 580
 581 </head>
 582
 583 <body>
 584
 585
 586 <?php
 587 if (isset($_GET['help'])) {
 588     print_install_help($_GET['help']);
 589     close_window_button();
 590 } else {
 591 ?>
 592
 593
 594 <table class="main" align="center" cellpadding="3" cellspacing="0">
 595     <tr>
 596         <td class="td_mainlogo">
 597             <p class="p_mainlogo"><img src="pix/moodlelogo-med.gif" width="240" height="60" alt="Moodle logo"></p>
 598         </td>
 599         <td class="td_mainlogo" valign="bottom">
 600             <p class="p_mainheader"><?php print_string('installation', 'install') ?></p>
 601         </td>
 602     </tr>
 603
 604     <tr>
 605         <td class="td_mainheading" colspan="2">
 606             <p class="p_mainheading"><?php echo $headstagetext[$nextstage] ?></p>
 607             <?php /// Exceptionaly, depending of the DB selected, we show some different text
 608                   /// from the standard one to show better instructions for each DB
 609                 if ($nextstage == DATABASE) {
 610                     echo '<script type="text/javascript" defer="defer">window.onload=toggledbinfo;</script>';
 611                     echo '<div id="mysql" name="mysql">' . get_string('databasesettingssub_mysql', 'install');
 612                     echo '<p align="center">' . get_string('databasesettingswillbecreated', 'install') . '</p>';
 613                     echo '</div>';
 614
 615                     echo '<div id="mysqli" name="mysqli">' . get_string('databasesettingssub_mysqli', 'install');
 616                     echo '<p align="center">' . get_string('databasesettingswillbecreated', 'install') . '</p>';
 617                     echo '</div>';
 618
 619                     echo '<div id="postgres7" name="postgres7">' . get_string('databasesettingssub_postgres7', 'install') . '</div>';
 620
 621                     echo '<div id="mssql" name="mssql">' . get_string('databasesettingssub_mssql', 'install');
 622                 /// Link to mssql installation page
 623                     echo '<p align="right"><a href="http://docs.moodle.org/en/Installing_MSSQL_for_PHP" target="_blank">';
 624                     echo '<img src="pix/docs.gif' . '" alt="Docs" class="iconhelp" />';
 625                     echo get_string('moodledocslink', 'install') . '</a></p>';
 626                     echo '</div>';
 627
 628                     echo '<div id="mssql_n" name="mssql">' . get_string('databasesettingssub_mssql_n', 'install');
 629                 /// Link to mssql installation page
 630                     echo '<p align="right"><a href="http://docs.moodle.org/en/Installing_MSSQL_for_PHP" target="_blank">';
 631                     echo '<img src="pix/docs.gif' . '" alt="Docs" />';
 632                     echo get_string('moodledocslink', 'install') . '</a></p>';
 633                     echo '</div>';
 634
 635                     echo '<div id="odbc_mssql" name="odbc_mssql">'. get_string('databasesettingssub_odbc_mssql', 'install');
 636                 /// Link to mssql installation page
 637                     echo '<p align="right"><a href="http://docs.moodle.org/en/Installing_MSSQL_for_PHP" target="_blank">';
 638                     echo '<img src="pix/docs.gif' . '" alt="Docs" class="iconhelp" />';
 639                     echo get_string('moodledocslink', 'install') . '</a></p>';
 640                     echo '</div>';
 641
 642                     echo '<div id="oci8po" name="oci8po">' . get_string('databasesettingssub_oci8po', 'install');
 643                 /// Link to oracle installation page
 644                     echo '<p align="right"><a href="http://docs.moodle.org/en/Installing_Oracle_for_PHP" target="_blank">';
 645                     echo '<img src="pix/docs.gif' . '" alt="Docs" class="iconhelp" />';
 646                     echo get_string('moodledocslink', 'install') . '</a></p>';
 647                     echo '</div>';
 648                 } else {
 649                     if (!empty($substagetext[$nextstage])) {
 650                         echo '<p class="p_subheading">' . $substagetext[$nextstage] . '</p>';
 651                     }
 652                 }
 653             ?>
 654         </td>
 655     </tr>
 656
 657     <tr>
 658         <td class="td_main" colspan="2">
 659
 660 <?php
 661
 662 if (!empty($errormsg)) echo "<p class=\"errormsg\" align=\"center\">$errormsg</p>\n";
 663
 664
 665 if ($nextstage == SAVE) {
 666     $INSTALL['stage'] = WELCOME;
 667     $options = array();
 668     $options['lang'] = $INSTALL['language'];
 669     if ($configsuccess) {
 670         echo "<p>".get_string('configfilewritten', 'install')."</p>\n";
 671
 672         echo "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\">\n";
 673         echo "<tr>\n";
 674         echo "<td width=\"33.3%\">&nbsp;</td>\n";
 675         echo "<td width=\"33.3%\">&nbsp;</td>\n";
 676         echo "<td width=\"33.3%\" align=\"right\">\n";
 677         print_single_button("index.php", $options, get_string('continue'));
 678         echo "</td>\n";
 679         echo "</tr>\n";
 680         echo "</table>\n";
 681
 682     } else {
 683         echo "<p class=\"errormsg\">".get_string('configfilenotwritten', 'install')."</p>";
 684
 685         echo "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\">\n";
 686         echo "<tr>\n";
 687         echo "<td width=\"33.3%\">&nbsp;</td>\n";
 688         echo "<td width=\"33.3%\" align=\"center\">\n";
 689         $installoptions = array();
 690         $installoptions['download'] = 1;
 691         print_single_button("install.php", $installoptions, get_string('download', 'install'));
 692         echo "</td>\n";
 693         echo "<td width=\"33.3%\" align=\"right\">\n";
 694         print_single_button("index.php", $options, get_string('continue'));
 695         echo "</td>\n";
 696         echo "</tr>\n";
 697         echo "</table>\n";
 698
 699         echo "<hr />\n";
 700         echo "<div style=\"text-align: ".fix_align_rtl("left")."\">\n";
 701         echo "<pre>\n";
 702         print_r(s($str));
 703         echo "</pre>\n";
 704         echo "</div>\n";
 705     }
 706 } else {
 707     $formaction = (isset($_GET['configfile'])) ? "install.php?configfile=".$_GET['configfile'] : "install.php";
 708     form_table($nextstage, $formaction);
 709 }
 710
 711 ?>
 712
 713         </td>
 714     </tr>
 715 </table>
 716
 717 <?php
 718 }
 719 ?>
 720
 721 </body>
 722 </html>
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733 <?php
 734
 735
 736 //==========================================================================//
 737
 738 function form_table($nextstage = WELCOME, $formaction = "install.php") {
 739     global $INSTALL, $db;
 740
 741     /// Print the standard form if we aren't in the DOWNLOADLANG page
 742     /// because it has its own form.
 743     if ($nextstage != DOWNLOADLANG) {
 744         $needtoopenform = false;
 745 ?>
 746         <form id="installform" method="post" action="<?php echo $formaction ?>">
 747         <input type="hidden" name="stage" value="<?php echo $nextstage ?>" />
 748
 749 <?php
 750     } else {
 751         $needtoopenform = true;
 752     }
 753 ?>
 754     <table class="install_table" cellspacing="3" cellpadding="3" align="center">
 755
 756 <?php
 757     /// what we do depends on the stage we're at
 758     switch ($nextstage) {
 759         case WELCOME: /// Welcome and language settings
 760 ?>
 761             <tr>
 762                 <td class="td_left"><p><?php print_string('language') ?></p></td>
 763                 <td class="td_right">
 764                 <?php choose_from_menu (get_installer_list_of_languages(), 'language', $INSTALL['language'], '') ?>
 765                 </td>
 766             </tr>
 767
 768 <?php
 769             break;
 770         case COMPATIBILITY: /// Compatibilty check
 771             $compatsuccess = true;
 772
 773             /// Check that PHP is of a sufficient version
 774             print_compatibility_row(inst_check_php_version(), get_string('phpversion', 'install'), get_string('phpversionerror', 'install'), 'phpversionhelp');
 775             /// Check session auto start
 776             print_compatibility_row(!ini_get_bool('session.auto_start'), get_string('sessionautostart', 'install'), get_string('sessionautostarterror', 'install'), 'sessionautostarthelp');
 777             /// Check magic quotes
 778             print_compatibility_row(!ini_get_bool('magic_quotes_runtime'), get_string('magicquotesruntime', 'install'), get_string('magicquotesruntimeerror', 'install'), 'magicquotesruntimehelp');
 779             /// Check unsupported PHP configuration
 780             print_compatibility_row(ini_get_bool('magic_quotes_gpc') || (!ini_get_bool('register_globals')), get_string('globalsquotes', 'install'), get_string('globalsquoteserror', 'install'), 'globalsquoteshelp');
 781             /// Check safe mode
 782             print_compatibility_row(!ini_get_bool('safe_mode'), get_string('safemode', 'install'), get_string('safemodeerror', 'install'), 'safemodehelp', true);
 783             /// Check file uploads
 784             print_compatibility_row(ini_get_bool('file_uploads'), get_string('fileuploads', 'install'), get_string('fileuploadserror', 'install'), 'fileuploadshelp', true);
 785             /// Check GD version
 786             print_compatibility_row(check_gd_version(), get_string('gdversion', 'install'), get_string('gdversionerror', 'install'), 'gdversionhelp', true);
 787             /// Check memory limit
 788             print_compatibility_row(check_memory_limit(), get_string('memorylimit', 'install'), get_string('memorylimiterror', 'install'), 'memorylimithelp', true);
 789
 790
 791             break;
 792         case DIRECTORY: /// Directory settings
 793 ?>
 794
 795             <tr>
 796                 <td class="td_left"><p><?php print_string('wwwroot', 'install') ?></p></td>
 797                 <td class="td_right">
 798                     <input type="text" size="40"name="wwwrootform" value="<?php p($INSTALL['wwwrootform'],true) ?>" />
 799                 </td>
 800             </tr>
 801             <tr>
 802                 <td class="td_left"><p><?php print_string('dirroot', 'install') ?></p></td>
 803                 <td class="td_right">
 804                     <input type="text" size="40" name="dirrootform" disabled="disabled" value="<?php p($INSTALL['dirrootform'],true) ?>" />
 805                 </td>
 806             </tr>
 807             <tr>
 808                 <td class="td_left"><p><?php print_string('dataroot', 'install') ?></p></td>
 809                 <td class="td_right">
 810                     <input type="text" size="40" name="dataroot" value="<?php p($INSTALL['dataroot'],true) ?>" />
 811                 </td>
 812             </tr>
 813
 814 <?php
 815             break;
 816         case DATABASE: /// Database settings
 817 ?>
 818
 819             <tr>
 820                 <td class="td_left"><p><?php print_string('dbtype', 'install') ?></p></td>
 821                 <td class="td_right">
 822                 <?php choose_from_menu (array('mysql' => get_string('mysql', 'install'),
 823                                               'mysqli' => get_string('mysqli', 'install'),
 824                                               'oci8po' => get_string('oci8po', 'install'),
 825                                               'postgres7' => get_string('postgres7', 'install'),
 826                                               'mssql' => get_string('mssql', 'install'),
 827                                               'mssql_n' => get_string('mssql_n', 'install'),
 828                                               'odbc_mssql' => get_string('odbc_mssql', 'install')),
 829                                         'dbtype', $INSTALL['dbtype'], '', 'toggledbinfo();') ?>
 830                 </td>
 831             </tr>
 832             <tr>
 833                 <td class="td_left"><p><?php print_string('dbhost', 'install') ?></p></td>
 834                 <td class="td_right">
 835                     <input type="text" size="40" name="dbhost" value="<?php p($INSTALL['dbhost']) ?>" />
 836                 </td>
 837             </tr>
 838             <tr>
 839                 <td class="td_left"><p><?php print_string('database', 'install') ?></p></td>
 840                 <td class="td_right">
 841                     <input type="text" size="40" name="dbname" value="<?php p($INSTALL['dbname']) ?>" />
 842                 </td>
 843             </tr>
 844             <tr>
 845                 <td class="td_left"><p><?php print_string('user') ?></p></td>
 846                 <td class="td_right">
 847                     <input type="text" size="40" name="dbuser" value="<?php p($INSTALL['dbuser']) ?>" />
 848                 </td>
 849             </tr>
 850             <tr>
 851                 <td class="td_left"><p><?php print_string('password') ?></p></td>
 852                 <td class="td_right">
 853                     <input type="password" size="40" name="dbpass" value="<?php p($INSTALL['dbpass']) ?>" />
 854                 </td>
 855             </tr>
 856             <tr>
 857                 <td class="td_left"><p><?php print_string('dbprefix', 'install') ?></p></td>
 858                 <td class="td_right">
 859                     <input type="text" size="40" name="prefix" value="<?php p($INSTALL['prefix']) ?>" />
 860                 </td>
 861             </tr>
 862
 863 <?php
 864             break;
 865         case ADMIN: /// Administration directory setting
 866 ?>
 867
 868             <tr>
 869                 <td class="td_left"><p><?php print_string('admindirname', 'install') ?></p></td>
 870                 <td class="td_right">
 871                     <input type="text" size="40" name="admindirname" value="<?php p($INSTALL['admindirname']) ?>" />
 872                 </td>
 873             </tr>
 874
 875
 876 <?php
 877             break;
 878         case ENVIRONMENT: /// Environment checks
 879 ?>
 880
 881             <tr>
 882                 <td colspan="2">
 883                 <?php
 884                     error_reporting(0);  // Hide errors
 885                     $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
 886                     error_reporting(7);  // Show errors
 887                     if ($dbconnected) {
 888                     /// Execute environment check, printing results
 889                         check_moodle_environment($INSTALL['release'], $environment_results, true);
 890                     } else {
 891                     /// We never should reach this because DB has been tested before arriving here
 892                         $errormsg = get_string('dbconnectionerror', 'install');
 893                         $nextstage = DATABASE;
 894                         echo '<p class="errormsg" align="center">'.get_string('dbconnectionerror', 'install').'</p>';
 895                     }
 896                 ?>
 897                 </td>
 898             </tr>
 899
 900 <?php
 901             break;
 902         case DOWNLOADLANG: /// Download language from download.moodle.org
 903 ?>
 904
 905             <tr>
 906                 <td colspan="2">
 907                 <?php
 908                 /// Get array of languages, we are going to use it
 909                     $languages=get_installer_list_of_languages();
 910                 /// Print the download form (button) if necessary
 911                     if ($INSTALL['showdownloadlangpack'] == true && substr($INSTALL['language'],0,2) != 'en') {
 912                         $options = array();
 913                         $options['downloadlangpack'] = true;
 914                         $options['stage'] = DOWNLOADLANG;
 915                         $options['same'] = true;
 916                         print_simple_box_start('center');
 917                         print_single_button('install.php', $options, get_string('downloadlanguagebutton','install', $languages[$INSTALL['language']]), 'POST');
 918                         print_simple_box_end();
 919                     } else {
 920                 /// Show result info
 921                     /// English lang packs aren't downloaded
 922                         if (substr($INSTALL['language'],0,2) == 'en') {
 923                             print_simple_box(get_string('downloadlanguagenotneeded', 'install', $languages[$INSTALL['language']]), 'center', '80%');
 924                         } else {
 925                             if ($INSTALL['downloadlangpackerror']) {
 926                                 echo "<p class=\"errormsg\" align=\"center\">".$INSTALL['downloadlangpackerror']."</p>\n";
 927                                 print_simple_box(get_string('langdownloaderror', 'install', $languages[$INSTALL['language']]), 'center', '80%');
 928                             } else {
 929                                 print_simple_box(get_string('langdownloadok', 'install', $languages[$INSTALL['language']]), 'center', '80%');
 930                             }
 931                         }
 932                     }
 933                 ?>
 934                 </td>
 935             </tr>
 936
 937 <?php
 938             break;
 939         default:
 940     }
 941 ?>
 942
 943     <tr>
 944         <td colspan="<?php echo ($nextstage == COMPATIBILITY) ? 3 : 2; ?>">
 945
 946 <?php
 947     if ($needtoopenform) {
 948 ?>
 949             <form id="installform" method="post" action="<?php echo $formaction ?>">
 950             <input type="hidden" name="stage" value="<?php echo $nextstage ?>" />
 951 <?php
 952     }
 953 ?>
 954
 955             <?php echo ($nextstage < SAVE) ? "<input type=\"submit\" name=\"next\" value=\"".get_string('next')."  &raquo;\" style=\"float: ".fix_align_rtl("right")."\"/>\n" : "&nbsp;\n" ?>
 956             <?php echo ($nextstage > WELCOME) ? "<input type=\"submit\" name=\"prev\" value=\"&laquo;  ".get_string('previous')."\" style=\"float: ".fix_align_rtl("left")."\"/>\n" : "&nbsp;\n" ?>
 957
 958 <?php
 959     if ($needtoopenform) {
 960 ?>
 961             </form>
 962 <?php
 963     }
 964 ?>
 965
 966
 967         </td>
 968
 969     </tr>
 970
 971     </table>
 972 <?php
 973     if (!$needtoopenform) {
 974 ?>
 975     </form>
 976 <?php
 977     }
 978 ?>
 979
 980 <?php
 981 }
 982
 983
 984
 985 //==========================================================================//
 986
 987 function print_compatibility_row($success, $testtext, $errormessage, $helpfield='', $caution=false) {
 988     echo "<tr>\n";
 989     echo "<td class=\"td_left\" valign=\"top\" nowrap width=\"160\"><p>$testtext</p></td>\n";
 990     if ($success) {
 991         echo "<td valign=\"top\"><p class=\"p_pass\">".get_string('pass', 'install')."</p></td>\n";
 992         echo "<td valign=\"top\">&nbsp;</td>\n";
 993     } else {
 994         echo "<td valign=\"top\"";
 995         echo ($caution) ? "<p class=\"p_caution\">".get_string('caution', 'install') : "<p class=\"p_fail\">".get_string('fail', 'install');
 996         echo "</p></td>\n";
 997         echo "<td valign=\"top\">";
 998         echo "<p>$errormessage ";
 999         install_helpbutton("install.php?help=$helpfield");
1000         echo "</p></td>\n";
1001     }
1002     echo "</tr>\n";
1003     return $success;
1004 }
1005
1006
1007 //==========================================================================//
1008
1009 function install_helpbutton($url, $title='') {
1010     if ($title == '') {
1011         $title = get_string('help');
1012     }
1013     echo "<a href=\"javascript: void(0)\">";
1014     echo "<img src=\"pix/help.gif\" class=\"iconhelp\" alt=\"$title\" title=\"$title\" ";
1015     echo "onClick=\"return window.open('$url', 'Help', 'menubar=0,location=0,scrollbars,resizable,width=500,height=400')\">";
1016     echo "</a>\n";
1017 }
1018
1019
1020
1021 //==========================================================================//
1022
1023 function print_install_help($help) {
1024     switch ($help) {
1025         case 'phpversionhelp':
1026             print_string($help, 'install', phpversion());
1027             break;
1028         case 'memorylimithelp':
1029             print_string($help, 'install', get_memory_limit());
1030             break;
1031         default:
1032             print_string($help, 'install');
1033     }
1034 }
1035
1036
1037 //==========================================================================//
1038
1039 function get_memory_limit() {
1040     if ($limit = ini_get('memory_limit')) {
1041         return $limit;
1042     } else {
1043         return get_cfg_var('memory_limit');
1044     }
1045 }
1046
1047 //==========================================================================//
1048
1049 function check_memory_limit() {
1050
1051     /// if limit is already 40 or more then we don't care if we can change it or not
1052     if ((int)str_replace('M', '', get_memory_limit()) >= 40) {
1053         return true;
1054     }
1055
1056     /// Otherwise, see if we can change it ourselves
1057     @ini_set('memory_limit', '40M');
1058     return ((int)str_replace('M', '', get_memory_limit()) >= 40);
1059 }
1060
1061 //==========================================================================//
1062
1063 function inst_check_php_version() {
1064     if (!check_php_version("4.3.0")) {
1065         return false;
1066     } else if (check_php_version("5.0.0")) {
1067         return check_php_version("5.1.0"); // 5.0.x is too buggy
1068     }
1069     return true; // 4.3.x or 4.4.x is fine
1070 }
1071 //==========================================================================//
1072
1073 /* This function returns a list of languages and their full names. The
1074  * list of available languages is fetched from install/lang/xx/installer.php
1075  * and it's used exclusively by the installation process
1076  * @return array An associative array with contents in the form of LanguageCode => LanguageName
1077  */
1078 function get_installer_list_of_languages() {
1079
1080     global $CFG;
1081
1082     $languages = array();
1083
1084 /// Get raw list of lang directories
1085     $langdirs = get_list_of_plugins('install/lang');
1086     asort($langdirs);
1087 /// Get some info from each lang
1088     foreach ($langdirs as $lang) {
1089         if (file_exists($CFG->dirroot .'/install/lang/'. $lang .'/installer.php')) {
1090             include($CFG->dirroot .'/install/lang/'. $lang .'/installer.php');
1091             if (substr($lang, -5) == '_utf8') {   //Remove the _utf8 suffix from the lang to show
1092                 $shortlang = substr($lang, 0, -5);
1093             } else {
1094                 $shortlang = $lang;
1095             }
1096             if ($lang == 'en') {  //Explain this is non-utf8 en
1097                 $shortlang = 'non-utf8 en';
1098             }
1099             if (!empty($string['thislanguage'])) {
1100                 $languages[$lang] = $string['thislanguage'] .' ('. $shortlang .')';
1101             }
1102             unset($string);
1103         }
1104     }
1105 /// Return array
1106     return $languages;
1107 }
1108
1109 //==========================================================================//
1110
1111 function css_styles() {
1112 ?>
1113
1114 <style type="text/css">
1115
1116     body { background-color: #ffeece; }
1117     p, li, td {
1118         font-family: helvetica, arial, sans-serif;
1119         font-size: 10pt;
1120     }
1121     a { text-decoration: none; color: blue; }
1122     a img {
1123         border: none;
1124     }
1125     .errormsg {
1126         color: red;
1127         font-weight: bold;
1128     }
1129     blockquote {
1130         font-family: courier, monospace;
1131         font-size: 10pt;
1132     }
1133     .install_table {
1134         width: 500px;
1135     }
1136     .td_left {
1137         text-align: <?php echo fix_align_rtl("right") ?>;
1138         font-weight: bold;
1139     }
1140     .td_right {
1141         text-align: <?php echo fix_align_rtl("left") ?>;
1142     }
1143     .main {
1144         width: 500px;
1145         border-width: 1px;
1146         border-style: solid;
1147         border-color: #ffc85f;
1148         -moz-border-radius-bottomleft: 15px;
1149         -moz-border-radius-bottomright: 15px;
1150     }
1151     .td_mainheading {
1152         background-color: #fee6b9;
1153         padding: 10px;
1154     }
1155     .td_main {
1156         text-align: center;
1157     }
1158     .td_mainlogo {
1159     }
1160     .p_mainlogo {
1161     }
1162     .p_mainheading {
1163         font-size: 11pt;
1164     }
1165     .p_subheading {
1166         font-size: 10pt;
1167         padding: 10px;
1168     }
1169     .p_mainheader{
1170         text-align: right;
1171         font-size: 20pt;
1172         font-weight: bold;
1173     }
1174     .p_pass {
1175         color: green;
1176         font-weight: bold;
1177     }
1178     .p_fail {
1179         color: red;
1180         font-weight: bold;
1181     }
1182     .p_caution {
1183         color: #ff6600;
1184         font-weight: bold;
1185     }
1186     .p_help {
1187         text-align: center;
1188         font-family: helvetica, arial, sans-serif;
1189         font-size: 14pt;
1190         font-weight: bold;
1191         color: #333333;
1192     }
1193     .environmenttable {
1194         font-size: 10pt;
1195         border-color: #ffc85f;
1196     }
1197     table.environmenttable .error {
1198         background-color : red;
1199         color : inherit;
1200     }
1201
1202     table.environmenttable .warn {
1203         background-color : yellow;
1204     }
1205
1206     table.environmenttable .ok {
1207         background-color : lightgreen;
1208     }
1209     .header {
1210         background-color: #fee6b9;
1211         font-size: 10pt;
1212     }
1213     .cell {
1214         background-color: #ffeece;
1215         font-size: 10pt;
1216     }
1217     .error {
1218         color: #ff0000;
1219     }
1220     .errorboxcontent {
1221         text-align: center;
1222         font-weight: bold;
1223         padding: 20px;
1224         color: #ff0000;
1225     }
1226     .invisiblefieldset {
1227       display:inline;
1228       border:0px;
1229       padding:0px;
1230       margin:0px;
1231     }
1232     #mysql, #mysqli, #postgres7, #mssql, #mssql_n, #odbc_mssql, #oci8po {
1233         display: none;
1234     }
1235
1236 </style>
1237
1238 <?php
1239 }
1240
1241 //==========================================================================//
1242
1243 function database_js() {
1244 ?>
1245
1246 <script type="text/javascript" defer="defer">
1247 function toggledbinfo() {
1248     //Calculate selected value
1249     var showid = 'mysql';
1250     if (document.getElementById('installform').dbtype.value) {
1251         showid = document.getElementById('installform').dbtype.value;
1252     }
1253     if (document.getElementById) {
1254         //Hide all the divs
1255         document.getElementById('mysql').style.display = '';
1256         document.getElementById('mysqli').style.display = '';
1257         document.getElementById('postgres7').style.display = '';
1258         document.getElementById('mssql').style.display = '';
1259         document.getElementById('mssql_n').style.display = '';
1260         document.getElementById('odbc_mssql').style.display = '';
1261         document.getElementById('oci8po').style.display = '';
1262         //Show the selected div
1263         document.getElementById(showid).style.display = 'block';
1264     } else if (document.all) {
1265         //This is the way old msie versions work
1266         //Hide all the divs
1267         document.all['mysql'].style.display = '';
1268         document.all['mysqli'].style.display = '';
1269         document.all['postgres7'].style.display = '';
1270         document.all['mssql'].style.display = '';
1271         document.all['mssql_n'].style.display = '';
1272         document.all['odbc_mssql'].style.display = '';
1273         document.all['oci8po'].style.display = '';
1274         //Show the selected div
1275         document.all[showid].style.display = 'block';
1276     } else if (document.layers) {
1277         //This is the way nn4 works
1278         //Hide all the divs
1279         document.layers['mysql'].style.display = '';
1280         document.layers['mysqli'].style.display = '';
1281         document.layers['postgres7'].style.display = '';
1282         document.layers['mssql'].style.display = '';
1283         document.layers['mssql_n'].style.display = '';
1284         document.layers['odbc_mssql'].style.display = '';
1285         document.layers['oci8po'].style.display = '';
1286         //Show the selected div
1287         document.layers[showid].style.display = 'block';
1288     }
1289 }
1290 </script>
1291
1292 <?php
1293 }
1294
1295 /**
1296  * Add slashes for single quotes and backslashes
1297  * so they can be included in single quoted string
1298  * (for config.php)
1299  */
1300 function addsingleslashes($input){
1301     return preg_replace("/(['\\\])/", "\\\\$1", $input);
1302 }
1303 ?>