install.php

   1 <?php
   2 /**
   3  * Dokuwiki installation assistance
   4  *
   5  * @author      Chris Smith <chris@jalakai.co.uk>
   6  */
   7
   8 if(!defined('DOKU_INC')) define('DOKU_INC',dirname(__FILE__).'/');
   9 if(!defined('DOKU_CONF')) define('DOKU_CONF',DOKU_INC.'conf/');
  10 if(!defined('DOKU_LOCAL')) define('DOKU_LOCAL',DOKU_INC.'conf/');
  11
  12 require_once(DOKU_INC.'inc/PassHash.class.php');
  13
  14 // check for error reporting override or set error reporting to sane values
  15 if (!defined('DOKU_E_LEVEL')) { error_reporting(E_ALL ^ E_NOTICE); }
  16 else { error_reporting(DOKU_E_LEVEL); }
  17
  18 // kill magic quotes
  19 if (get_magic_quotes_gpc() && !defined('MAGIC_QUOTES_STRIPPED')) {
  20     if (!empty($_GET))    remove_magic_quotes($_GET);
  21     if (!empty($_POST))   remove_magic_quotes($_POST);
  22     if (!empty($_COOKIE)) remove_magic_quotes($_COOKIE);
  23     if (!empty($_REQUEST)) remove_magic_quotes($_REQUEST);
  24     @ini_set('magic_quotes_gpc', 0);
  25     define('MAGIC_QUOTES_STRIPPED',1);
  26 }
  27 if (function_exists('set_magic_quotes_runtime')) @set_magic_quotes_runtime(0);
  28 @ini_set('magic_quotes_sybase',0);
  29
  30 // language strings
  31 require_once(DOKU_INC.'inc/lang/en/lang.php');
  32 if(isset($_REQUEST['l']) && !is_array($_REQUEST['l'])) {
  33     $LC = preg_replace('/[^a-z\-]+/','',$_REQUEST['l']);
  34 }
  35 if(empty($LC)) $LC = 'en';
  36 if($LC && $LC != 'en' ) {
  37     require_once(DOKU_INC.'inc/lang/'.$LC.'/lang.php');
  38 }
  39
  40 // initialise variables ...
  41 $error = array();
  42
  43 $dokuwiki_hash = array(
  44     '2005-09-22'   => 'e33223e957b0b0a130d0520db08f8fb7',
  45     '2006-03-05'   => '51295727f79ab9af309a2fd9e0b61acc',
  46     '2006-03-09'   => '51295727f79ab9af309a2fd9e0b61acc',
  47     '2006-11-06'   => 'b3a8af76845977c2000d85d6990dd72b',
  48     '2007-05-24'   => 'd80f2740c84c4a6a791fd3c7a353536f',
  49     '2007-06-26'   => 'b3ca19c7a654823144119980be73cd77',
  50     '2008-05-04'   => '1e5c42eac3219d9e21927c39e3240aad',
  51     '2009-02-14'   => 'ec8c04210732a14fdfce0f7f6eead865',
  52     '2009-12-25'   => '993c4b2b385643efe5abf8e7010e11f4',
  53     '2010-11-07'   => '7921d48195f4db21b8ead6d9bea801b8',
  54     '2011-05-25'   => '4241865472edb6fa14a1227721008072',
  55     '2011-11-10'   => 'b46ff19a7587966ac4df61cbab1b8b31',
  56     '2012-01-25'   => '72c083c73608fc43c586901fd5dabb74',
  57     '2012-09-10'   => 'eb0b3fc90056fbc12bac6f49f7764df3',
  58     '2013-05-10'   => '7b62b75245f57f122d3e0f8ed7989623',
  59     '2013-12-08'   => '263c76af309fbf083867c18a34ff5214',
  60     '2014-05-05'   => '263c76af309fbf083867c18a34ff5214',
  61     '2015-08-10'   => '263c76af309fbf083867c18a34ff5214'
  62 );
  63
  64
  65 // begin output
  66 header('Content-Type: text/html; charset=utf-8');
  67 ?>
  68 <!DOCTYPE html>
  69 <html lang="<?php echo $LC?>" dir="<?php echo $lang['direction']?>">
  70 <head>
  71     <meta charset="utf-8" />
  72     <title><?php echo $lang['i_installer']?></title>
  73     <style type="text/css">
  74         body { width: 90%; margin: 0 auto; font: 84% Verdana, Helvetica, Arial, sans-serif; }
  75         img { border: none }
  76         br.cl { clear:both; }
  77         code { font-size: 110%; color: #800000; }
  78         fieldset { border: none }
  79         label { display: block; margin-top: 0.5em; }
  80         select.text, input.text { width: 30em; margin: 0 0.5em; }
  81         a {text-decoration: none}
  82     </style>
  83     <script type="text/javascript">
  84         function acltoggle(){
  85             var cb = document.getElementById('acl');
  86             var fs = document.getElementById('acldep');
  87             if(!cb || !fs) return;
  88             if(cb.checked){
  89                 fs.style.display = '';
  90             }else{
  91                 fs.style.display = 'none';
  92             }
  93         }
  94         window.onload = function(){
  95             acltoggle();
  96             var cb = document.getElementById('acl');
  97             if(cb) cb.onchange = acltoggle;
  98         };
  99     </script>
 100 </head>
 101 <body style="">
 102     <h1 style="float:left">
 103         <img src="lib/exe/fetch.php?media=wiki:dokuwiki-128.png"
 104              style="vertical-align: middle;" alt="" height="64" width="64" />
 105         <?php echo $lang['i_installer']?>
 106     </h1>
 107     <div style="float:right; margin: 1em;">
 108         <?php langsel()?>
 109     </div>
 110     <br class="cl" />
 111
 112     <div style="float: right; width: 34%;">
 113         <?php
 114             if(file_exists(DOKU_INC.'inc/lang/'.$LC.'/install.html')){
 115                 include(DOKU_INC.'inc/lang/'.$LC.'/install.html');
 116             }else{
 117                 print "<div lang=\"en\" dir=\"ltr\">\n";
 118                 include(DOKU_INC.'inc/lang/en/install.html');
 119                 print "</div>\n";
 120             }
 121         ?>
 122         <a style="background: transparent url(data/security.png) left top no-repeat;
 123                   display: block; width:380px; height:73px; border:none; clear:both;"
 124            target="_blank"
 125            href="http://www.dokuwiki.org/security#web_access_security"></a>
 126     </div>
 127
 128     <div style="float: left; width: 58%;">
 129         <?php
 130             if(! (check_functions() && check_permissions()) ){
 131                 echo '<p>'.$lang['i_problems'].'</p>';
 132                 print_errors();
 133                 print_retry();
 134             }elseif(!check_configs()){
 135                 echo '<p>'.$lang['i_modified'].'</p>';
 136                 print_errors();
 137             }elseif(check_data($_REQUEST['d'])){
 138                 // check_data has sanitized all input parameters
 139                 if(!store_data($_REQUEST['d'])){
 140                     echo '<p>'.$lang['i_failure'].'</p>';
 141                     print_errors();
 142                 }else{
 143                     echo '<p>'.$lang['i_success'].'</p>';
 144                 }
 145             }else{
 146                 print_errors();
 147                 print_form($_REQUEST['d']);
 148             }
 149         ?>
 150     </div>
 151
 152
 153 <div style="clear: both">
 154   <a href="http://dokuwiki.org/"><img src="lib/tpl/dokuwiki/images/button-dw.png" alt="driven by DokuWiki" /></a>
 155   <a href="http://www.php.net"><img src="lib/tpl/dokuwiki/images/button-php.gif" alt="powered by PHP" /></a>
 156 </div>
 157 </body>
 158 </html>
 159 <?php
 160
 161 /**
 162  * Print the input form
 163  *
 164  * @param array $d submitted entry 'd' of request data
 165  */
 166 function print_form($d){
 167     global $lang;
 168     global $LC;
 169
 170     include(DOKU_CONF.'license.php');
 171
 172     if(!is_array($d)) $d = array();
 173     $d = array_map('htmlspecialchars',$d);
 174
 175     if(!isset($d['acl'])) $d['acl']=1;
 176     if(!isset($d['pop'])) $d['pop']=1;
 177
 178     ?>
 179     <form action="" method="post">
 180     <input type="hidden" name="l" value="<?php echo $LC ?>" />
 181     <fieldset>
 182         <label for="title"><?php echo $lang['i_wikiname']?>
 183         <input type="text" name="d[title]" id="title" value="<?php echo $d['title'] ?>" style="width: 20em;" />
 184         </label>
 185
 186         <fieldset style="margin-top: 1em;">
 187             <label for="acl">
 188             <input type="checkbox" name="d[acl]" id="acl" <?php echo(($d['acl'] ? ' checked="checked"' : ''));?> />
 189             <?php echo $lang['i_enableacl']?></label>
 190
 191             <fieldset id="acldep">
 192                 <label for="superuser"><?php echo $lang['i_superuser']?></label>
 193                 <input class="text" type="text" name="d[superuser]" id="superuser" value="<?php echo $d['superuser'] ?>" />
 194
 195                 <label for="fullname"><?php echo $lang['fullname']?></label>
 196                 <input class="text" type="text" name="d[fullname]" id="fullname" value="<?php echo $d['fullname'] ?>" />
 197
 198                 <label for="email"><?php echo $lang['email']?></label>
 199                 <input class="text" type="text" name="d[email]" id="email" value="<?php echo $d['email'] ?>" />
 200
 201                 <label for="password"><?php echo $lang['pass']?></label>
 202                 <input class="text" type="password" name="d[password]" id="password" />
 203
 204                 <label for="confirm"><?php echo $lang['passchk']?></label>
 205                 <input class="text" type="password" name="d[confirm]" id="confirm" />
 206
 207                 <label for="policy"><?php echo $lang['i_policy']?></label>
 208                 <select class="text" name="d[policy]" id="policy">
 209                     <option value="0" <?php echo ($d['policy'] == 0)?'selected="selected"':'' ?>><?php echo $lang['i_pol0']?></option>
 210                     <option value="1" <?php echo ($d['policy'] == 1)?'selected="selected"':'' ?>><?php echo $lang['i_pol1']?></option>
 211                     <option value="2" <?php echo ($d['policy'] == 2)?'selected="selected"':'' ?>><?php echo $lang['i_pol2']?></option>
 212                 </select>
 213
 214                 <label for="allowreg">
 215                     <input type="checkbox" name="d[allowreg]" id="allowreg" <?php echo(($d['allowreg'] ? ' checked="checked"' : ''));?> />
 216                     <?php echo $lang['i_allowreg']?>
 217                 </label>
 218             </fieldset>
 219         </fieldset>
 220
 221         <fieldset>
 222             <p><?php echo $lang['i_license']?></p>
 223             <?php
 224             array_push($license,array('name' => $lang['i_license_none'], 'url'=>''));
 225             if(empty($d['license'])) $d['license'] = 'cc-by-sa';
 226             foreach($license as $key => $lic){
 227                 echo '<label for="lic_'.$key.'">';
 228                 echo '<input type="radio" name="d[license]" value="'.htmlspecialchars($key).'" id="lic_'.$key.'"'.
 229                      (($d['license'] === $key)?' checked="checked"':'').'>';
 230                 echo htmlspecialchars($lic['name']);
 231                 if($lic['url']) echo ' <a href="'.$lic['url'].'" target="_blank"><sup>[?]</sup></a>';
 232                 echo '</label>';
 233             }
 234             ?>
 235         </fieldset>
 236
 237         <fieldset>
 238             <p><?php echo $lang['i_pop_field']?></p>
 239             <label for="pop">
 240                 <input type="checkbox" name="d[pop]" id="pop" <?php echo(($d['pop'] ? ' checked="checked"' : ''));?> />
 241                 <?php echo $lang['i_pop_label']?> <a href="http://www.dokuwiki.org/popularity" target="_blank"><sup>[?]</sup></a>
 242             </label>
 243         </fieldset>
 244
 245     </fieldset>
 246     <fieldset id="process">
 247         <button type="submit" name="submit"><?php echo $lang['btn_save']?></button>
 248     </fieldset>
 249     </form>
 250     <?php
 251 }
 252
 253 function print_retry() {
 254     global $lang;
 255     global $LC;
 256     ?>
 257     <form action="" method="get">
 258       <fieldset>
 259         <input type="hidden" name="l" value="<?php echo $LC ?>" />
 260         <button type="submit"><?php echo $lang['i_retry'];?></button>
 261       </fieldset>
 262     </form>
 263     <?php
 264 }
 265
 266 /**
 267  * Check validity of data
 268  *
 269  * @author Andreas Gohr
 270  *
 271  * @param array $d
 272  * @return bool ok?
 273  */
 274 function check_data(&$d){
 275     static $form_default = array(
 276         'title'     => '',
 277         'acl'       => '1',
 278         'superuser' => '',
 279         'fullname'  => '',
 280         'email'     => '',
 281         'password'  => '',
 282         'confirm'   => '',
 283         'policy'    => '0',
 284         'allowreg'  => '0',
 285         'license'   => 'cc-by-sa'
 286     );
 287     global $lang;
 288     global $error;
 289
 290     if(!is_array($d)) $d = array();
 291     foreach($d as $k => $v) {
 292         if(is_array($v))
 293             unset($d[$k]);
 294         else
 295             $d[$k] = (string)$v;
 296     }
 297
 298     //autolowercase the username
 299     $d['superuser'] = isset($d['superuser']) ? strtolower($d['superuser']) : "";
 300
 301     $ok = false;
 302
 303     if(isset($_REQUEST['submit'])) {
 304         $ok = true;
 305
 306         // check input
 307         if(empty($d['title'])){
 308             $error[] = sprintf($lang['i_badval'],$lang['i_wikiname']);
 309             $ok      = false;
 310         }
 311         if(isset($d['acl'])){
 312             if(!preg_match('/^[a-z0-9_]+$/',$d['superuser'])){
 313                 $error[] = sprintf($lang['i_badval'],$lang['i_superuser']);
 314                 $ok      = false;
 315             }
 316             if(empty($d['password'])){
 317                 $error[] = sprintf($lang['i_badval'],$lang['pass']);
 318                 $ok      = false;
 319             }
 320             elseif(!isset($d['confirm']) || $d['confirm'] != $d['password']){
 321                 $error[] = sprintf($lang['i_badval'],$lang['passchk']);
 322                 $ok      = false;
 323             }
 324             if(empty($d['fullname']) || strstr($d['fullname'],':')){
 325                 $error[] = sprintf($lang['i_badval'],$lang['fullname']);
 326                 $ok      = false;
 327             }
 328             if(empty($d['email']) || strstr($d['email'],':') || !strstr($d['email'],'@')){
 329                 $error[] = sprintf($lang['i_badval'],$lang['email']);
 330                 $ok      = false;
 331             }
 332         }
 333     }
 334     $d = array_merge($form_default, $d);
 335     return $ok;
 336 }
 337
 338 /**
 339  * Writes the data to the config files
 340  *
 341  * @author  Chris Smith <chris@jalakai.co.uk>
 342  *
 343  * @param array $d
 344  * @return bool
 345  */
 346 function store_data($d){
 347     global $LC;
 348     $ok = true;
 349     $d['policy'] = (int) $d['policy'];
 350
 351     // create local.php
 352     $now    = gmdate('r');
 353     $output = <<<EOT
 354 <?php
 355 /**
 356  * Dokuwiki's Main Configuration File - Local Settings
 357  * Auto-generated by install script
 358  * Date: $now
 359  */
 360
 361 EOT;
 362     // add any config options set by a previous installer
 363     $preset = __DIR__.'/install.conf';
 364     if(file_exists($preset)){
 365         $output .= "# preset config options\n";
 366         $output .= file_get_contents($preset);
 367         $output .= "\n\n";
 368         $output .= "# options selected in installer\n";
 369         @unlink($preset);
 370     }
 371
 372     $output .= '$conf[\'title\'] = \''.addslashes($d['title'])."';\n";
 373     $output .= '$conf[\'lang\'] = \''.addslashes($LC)."';\n";
 374     $output .= '$conf[\'license\'] = \''.addslashes($d['license'])."';\n";
 375     if($d['acl']){
 376         $output .= '$conf[\'useacl\'] = 1'.";\n";
 377         $output .= "\$conf['superuser'] = '@admin';\n";
 378     }
 379     if(!$d['allowreg']){
 380         $output .= '$conf[\'disableactions\'] = \'register\''.";\n";
 381     }
 382     $ok = $ok && fileWrite(DOKU_LOCAL.'local.php',$output);
 383
 384     if ($d['acl']) {
 385         // hash the password
 386         $phash = new PassHash();
 387         $pass = $phash->hash_smd5($d['password']);
 388
 389         // create users.auth.php
 390         // --- user:SMD5password:Real Name:email:groups,comma,seperated
 391         $output = join(":",array($d['superuser'], $pass, $d['fullname'], $d['email'], 'admin,user'));
 392         $output = @file_get_contents(DOKU_CONF.'users.auth.php.dist')."\n$output\n";
 393         $ok = $ok && fileWrite(DOKU_LOCAL.'users.auth.php', $output);
 394
 395         // create acl.auth.php
 396         $output = <<<EOT
 397 # acl.auth.php
 398 # <?php exit()?>
 399 # Don't modify the lines above
 400 #
 401 # Access Control Lists
 402 #
 403 # Auto-generated by install script
 404 # Date: $now
 405
 406 EOT;
 407         if($d['policy'] == 2){
 408             $output .=  "*               @ALL          0\n";
 409             $output .=  "*               @user         8\n";
 410         }elseif($d['policy'] == 1){
 411             $output .=  "*               @ALL          1\n";
 412             $output .=  "*               @user         8\n";
 413         }else{
 414             $output .=  "*               @ALL          8\n";
 415         }
 416         $ok = $ok && fileWrite(DOKU_LOCAL.'acl.auth.php', $output);
 417     }
 418
 419     // enable popularity submission
 420     if($d['pop']){
 421         @touch(DOKU_INC.'data/cache/autosubmit.txt');
 422     }
 423
 424     // disable auth plugins til needed
 425     $output = <<<EOT
 426 <?php
 427 /*
 428  * Local plugin enable/disable settings
 429  *
 430  * Auto-generated by install script
 431  * Date: $now
 432  */
 433
 434 \$plugins['authad']    = 0;
 435 \$plugins['authldap']  = 0;
 436 \$plugins['authmysql'] = 0;
 437 \$plugins['authpgsql'] = 0;
 438
 439 EOT;
 440     $ok = $ok && fileWrite(DOKU_LOCAL.'plugins.local.php', $output);
 441
 442     return $ok;
 443 }
 444
 445 /**
 446  * Write the given content to a file
 447  *
 448  * @author  Chris Smith <chris@jalakai.co.uk>
 449  *
 450  * @param string $filename
 451  * @param string $data
 452  * @return bool
 453  */
 454 function fileWrite($filename, $data) {
 455     global $error;
 456     global $lang;
 457
 458     if (($fp = @fopen($filename, 'wb')) === false) {
 459         $filename = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}/', $filename);
 460         $error[]  = sprintf($lang['i_writeerr'],$filename);
 461         return false;
 462     }
 463
 464     if (!empty($data)) { fwrite($fp, $data);  }
 465     fclose($fp);
 466     return true;
 467 }
 468
 469
 470 /**
 471  * check installation dependent local config files and tests for a known
 472  * unmodified main config file
 473  *
 474  * @author      Chris Smith <chris@jalakai.co.uk>
 475  *
 476  * @return bool
 477  */
 478 function check_configs(){
 479     global $error;
 480     global $lang;
 481     global $dokuwiki_hash;
 482
 483     $ok = true;
 484
 485     $config_files = array(
 486         'local' => DOKU_LOCAL.'local.php',
 487         'users' => DOKU_LOCAL.'users.auth.php',
 488         'auth'  => DOKU_LOCAL.'acl.auth.php'
 489     );
 490
 491     // main dokuwiki config file (conf/dokuwiki.php) must not have been modified
 492     $installation_hash = md5(preg_replace("/(\015\012)|(\015)/","\012",
 493                              @file_get_contents(DOKU_CONF.'dokuwiki.php')));
 494     if (!in_array($installation_hash, $dokuwiki_hash)) {
 495         $error[] = sprintf($lang['i_badhash'],$installation_hash);
 496         $ok = false;
 497     }
 498
 499     // configs shouldn't exist
 500     foreach ($config_files as $file) {
 501         if (file_exists($file) && filesize($file)) {
 502             $file    = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}/', $file);
 503             $error[] = sprintf($lang['i_confexists'],$file);
 504             $ok      = false;
 505         }
 506     }
 507     return $ok;
 508 }
 509
 510
 511 /**
 512  * Check other installation dir/file permission requirements
 513  *
 514  * @author      Chris Smith <chris@jalakai.co.uk>
 515  *
 516  * @return bool
 517  */
 518 function check_permissions(){
 519     global $error;
 520     global $lang;
 521
 522     $dirs = array(
 523         'conf'        => DOKU_LOCAL,
 524         'data'        => DOKU_INC.'data',
 525         'pages'       => DOKU_INC.'data/pages',
 526         'attic'       => DOKU_INC.'data/attic',
 527         'media'       => DOKU_INC.'data/media',
 528         'media_attic' => DOKU_INC.'data/media_attic',
 529         'media_meta'  => DOKU_INC.'data/media_meta',
 530         'meta'        => DOKU_INC.'data/meta',
 531         'cache'       => DOKU_INC.'data/cache',
 532         'locks'       => DOKU_INC.'data/locks',
 533         'index'       => DOKU_INC.'data/index',
 534         'tmp'         => DOKU_INC.'data/tmp'
 535     );
 536
 537     $ok = true;
 538     foreach($dirs as $dir){
 539         if(!file_exists("$dir/.") || !is_writable($dir)){
 540             $dir     = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}', $dir);
 541             $error[] = sprintf($lang['i_permfail'],$dir);
 542             $ok      = false;
 543         }
 544     }
 545     return $ok;
 546 }
 547
 548 /**
 549  * Check the availability of functions used in DokuWiki and the PHP version
 550  *
 551  * @author Andreas Gohr <andi@splitbrain.org>
 552  *
 553  * @return bool
 554  */
 555 function check_functions(){
 556     global $error;
 557     global $lang;
 558     $ok = true;
 559
 560     if(version_compare(phpversion(),'5.3.3','<')){
 561         $error[] = sprintf($lang['i_phpver'],phpversion(),'5.3.3');
 562         $ok = false;
 563     }
 564
 565     if(ini_get('mbstring.func_overload') != 0){
 566         $error[] = $lang['i_mbfuncoverload'];
 567         $ok = false;
 568     }
 569
 570     $funcs = explode(' ','addslashes call_user_func chmod copy fgets '.
 571                          'file file_exists fseek flush filesize ftell fopen '.
 572                          'glob header ignore_user_abort ini_get mail mkdir '.
 573                          'ob_start opendir parse_ini_file readfile realpath '.
 574                          'rename rmdir serialize session_start unlink usleep '.
 575                          'preg_replace file_get_contents htmlspecialchars_decode '.
 576                          'spl_autoload_register stream_select fsockopen pack');
 577
 578     if (!function_exists('mb_substr')) {
 579         $funcs[] = 'utf8_encode';
 580         $funcs[] = 'utf8_decode';
 581     }
 582
 583     foreach($funcs as $func){
 584         if(!function_exists($func)){
 585             $error[] = sprintf($lang['i_funcna'],$func);
 586             $ok = false;
 587         }
 588     }
 589     return $ok;
 590 }
 591
 592 /**
 593  * Print language selection
 594  *
 595  * @author Andreas Gohr <andi@splitbrain.org>
 596  */
 597 function langsel(){
 598     global $lang;
 599     global $LC;
 600
 601     $dir = DOKU_INC.'inc/lang';
 602     $dh  = opendir($dir);
 603     if(!$dh) return;
 604
 605     $langs = array();
 606     while (($file = readdir($dh)) !== false) {
 607         if(preg_match('/^[\._]/',$file)) continue;
 608         if(is_dir($dir.'/'.$file) && file_exists($dir.'/'.$file.'/lang.php')){
 609             $langs[] = $file;
 610         }
 611     }
 612     closedir($dh);
 613     sort($langs);
 614
 615     echo '<form action="">';
 616     echo $lang['i_chooselang'];
 617     echo ': <select name="l" onchange="submit()">';
 618     foreach($langs as $l){
 619         $sel = ($l == $LC) ? 'selected="selected"' : '';
 620         echo '<option value="'.$l.'" '.$sel.'>'.$l.'</option>';
 621     }
 622     echo '</select> ';
 623     echo '<button type="submit">'.$lang['btn_update'].'</button>';
 624     echo '</form>';
 625 }
 626
 627 /**
 628  * Print global error array
 629  *
 630  * @author Andreas Gohr <andi@splitbrain.org>
 631  */
 632 function print_errors(){
 633     global $error;
 634     if(!empty($error)) {
 635         echo '<ul>';
 636         foreach ($error as $err){
 637             echo "<li>$err</li>";
 638         }
 639         echo '</ul>';
 640     }
 641 }
 642
 643 /**
 644  * remove magic quotes recursivly
 645  *
 646  * @author Andreas Gohr <andi@splitbrain.org>
 647  *
 648  * @param array $array
 649  */
 650 function remove_magic_quotes(&$array) {
 651     foreach (array_keys($array) as $key) {
 652         if (is_array($array[$key])) {
 653             remove_magic_quotes($array[$key]);
 654         }else {
 655             $array[$key] = stripslashes($array[$key]);
 656         }
 657     }
 658 }
 659