wp-admin/import/textpattern.php

   1 <?php
   2 /**
   3         Add These Functions to make our lives easier
   4 **/
   5 if(!function_exists('get_catbynicename'))
   6 {
   7         function get_catbynicename($category_nicename)
   8         {
   9         global $wpdb;
  10
  11         $cat_id -= 0;   // force numeric
  12         $name = $wpdb->get_var('SELECT cat_ID FROM '.$wpdb->categories.' WHERE category_nicename="'.$category_nicename.'"');
  13
  14         return $name;
  15         }
  16 }
  17
  18 if(!function_exists('get_comment_count'))
  19 {
  20         function get_comment_count($post_ID)
  21         {
  22                 global $wpdb;
  23                 return $wpdb->get_var('SELECT count(*) FROM '.$wpdb->comments.' WHERE comment_post_ID = '.$post_ID);
  24         }
  25 }
  26
  27 if(!function_exists('link_exists'))
  28 {
  29         function link_exists($linkname)
  30         {
  31                 global $wpdb;
  32                 return $wpdb->get_var('SELECT link_id FROM '.$wpdb->links.' WHERE link_name = "'.$wpdb->escape($linkname).'"');
  33         }
  34 }
  35
  36 /**
  37         The Main Importer Class
  38 **/
  39 class Textpattern_Import {
  40
  41         function header()
  42         {
  43                 echo '<div class="wrap">';
  44                 echo '<h2>'.__('Import Textpattern').'</h2>';
  45                 echo '<p>'.__('Steps may take a few minutes depending on the size of your database. Please be patient.').'</p>';
  46         }
  47
  48         function footer()
  49         {
  50                 echo '</div>';
  51         }
  52
  53         function greet()
  54         {
  55                 echo '<p>'.__('Howdy! This importer allows you to extract posts from any Textpattern 4.0.2+ into your blog. This has not been tested on previous versions of Textpattern.  Mileage may vary.').'</p>';
  56                 echo '<p>'.__('Your Textpattern Configuration settings are as follows:').'</p>';
  57                 echo '<form action="admin.php?import=textpattern&amp;step=1" method="post">';
  58                 $this->db_form();
  59                 echo '<input type="submit" name="submit" value="'.__('Import Categories').'" />';
  60                 echo '</form>';
  61         }
  62
  63         function get_txp_cats()
  64         {
  65                 global $wpdb;
  66                 // General Housekeeping
  67                 $txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));
  68                 set_magic_quotes_runtime(0);
  69                 $prefix = get_option('tpre');
  70
  71                 // Get Categories
  72                 return $txpdb->get_results('SELECT
  73                                                                                 id,
  74                                                                                 name,
  75                                                                                 title
  76                                                                          FROM '.$prefix.'txp_category
  77                                                                          WHERE type = "article"',
  78                                                                          ARRAY_A);
  79         }
  80
  81         function get_txp_users()
  82         {
  83                 global $wpdb;
  84                 // General Housekeeping
  85                 $txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));
  86                 set_magic_quotes_runtime(0);
  87                 $prefix = get_option('tpre');
  88
  89                 // Get Users
  90
  91                 return $txpdb->get_results('SELECT
  92                                                                                 user_id,
  93                                                                                 name,
  94                                                                                 RealName,
  95                                                                                 email,
  96                                                                                 privs
  97                                                                         FROM '.$prefix.'txp_users', ARRAY_A);
  98         }
  99
 100         function get_txp_posts()
 101         {
 102                 // General Housekeeping
 103                 $txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));
 104                 set_magic_quotes_runtime(0);
 105                 $prefix = get_option('tpre');
 106
 107                 // Get Posts
 108                 return $txpdb->get_results('SELECT
 109                                                                                 ID,
 110                                                                                 Posted,
 111                                                                                 AuthorID,
 112                                                                                 LastMod,
 113                                                                                 Title,
 114                                                                                 Body,
 115                                                                                 Excerpt,
 116                                                                                 Category1,
 117                                                                                 Category2,
 118                                                                                 Status,
 119                                                                                 Keywords,
 120                                                                                 url_title,
 121                                                                                 comments_count
 122                                                                         FROM '.$prefix.'textpattern
 123                                                                         ', ARRAY_A);
 124         }
 125
 126         function get_txp_comments()
 127         {
 128                 global $wpdb;
 129                 // General Housekeeping
 130                 $txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));
 131                 set_magic_quotes_runtime(0);
 132                 $prefix = get_option('tpre');
 133
 134                 // Get Comments
 135                 return $txpdb->get_results('SELECT * FROM '.$prefix.'txp_discuss', ARRAY_A);
 136         }
 137
 138                 function get_txp_links()
 139         {
 140                 //General Housekeeping
 141                 $txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));
 142                 set_magic_quotes_runtime(0);
 143                 $prefix = get_option('tpre');
 144
 145                 return $txpdb->get_results('SELECT
 146                                                                                 id,
 147                                                                                 date,
 148                                                                                 category,
 149                                                                                 url,
 150                                                                                 linkname,
 151                                                                                 description
 152                                                                           FROM '.$prefix.'txp_link',
 153                                                                           ARRAY_A);
 154         }
 155
 156         function cat2wp($categories='')
 157         {
 158                 // General Housekeeping
 159                 global $wpdb;
 160                 $count = 0;
 161                 $txpcat2wpcat = array();
 162                 // Do the Magic
 163                 if(is_array($categories))
 164                 {
 165                         echo '<p>'.__('Importing Categories...').'<br /><br /></p>';
 166                         foreach ($categories as $category)
 167                         {
 168                                 $count++;
 169                                 extract($category);
 170
 171
 172                                 // Make Nice Variables
 173                                 $name = $wpdb->escape($name);
 174                                 $title = $wpdb->escape($title);
 175
 176                                 if($cinfo = category_exists($name))
 177                                 {
 178                                         $ret_id = wp_insert_category(array('cat_ID' => $cinfo, 'category_nicename' => $name, 'cat_name' => $title));
 179                                 }
 180                                 else
 181                                 {
 182                                         $ret_id = wp_insert_category(array('category_nicename' => $name, 'cat_name' => $title));
 183                                 }
 184                                 $txpcat2wpcat[$id] = $ret_id;
 185                         }
 186
 187                         // Store category translation for future use
 188                         add_option('txpcat2wpcat',$txpcat2wpcat);
 189                         echo '<p>'.sprintf(__('Done! <strong>%1$s</strong> categories imported.'), $count).'<br /><br /></p>';
 190                         return true;
 191                 }
 192                 echo __('No Categories to Import!');
 193                 return false;
 194         }
 195
 196         function users2wp($users='')
 197         {
 198                 // General Housekeeping
 199                 global $wpdb;
 200                 $count = 0;
 201                 $txpid2wpid = array();
 202
 203                 // Midnight Mojo
 204                 if(is_array($users))
 205                 {
 206                         echo '<p>'.__('Importing Users...').'<br /><br /></p>';
 207                         foreach($users as $user)
 208                         {
 209                                 $count++;
 210                                 extract($user);
 211
 212                                 // Make Nice Variables
 213                                 $name = $wpdb->escape($name);
 214                                 $RealName = $wpdb->escape($RealName);
 215
 216                                 if($uinfo = get_userdatabylogin($name))
 217                                 {
 218
 219                                         $ret_id = wp_insert_user(array(
 220                                                                 'ID'                    => $uinfo->ID,
 221                                                                 'user_login'    => $name,
 222                                                                 'user_nicename' => $RealName,
 223                                                                 'user_email'    => $email,
 224                                                                 'user_url'              => 'http://',
 225                                                                 'display_name'  => $name)
 226                                                                 );
 227                                 }
 228                                 else
 229                                 {
 230                                         $ret_id = wp_insert_user(array(
 231                                                                 'user_login'    => $name,
 232                                                                 'user_nicename' => $RealName,
 233                                                                 'user_email'    => $email,
 234                                                                 'user_url'              => 'http://',
 235                                                                 'display_name'  => $name)
 236                                                                 );
 237                                 }
 238                                 $txpid2wpid[$user_id] = $ret_id;
 239
 240                                 // Set Textpattern-to-WordPress permissions translation
 241                                 $transperms = array(1 => '10', 2 => '9', 3 => '5', 4 => '4', 5 => '3', 6 => '2', 7 => '0');
 242
 243                                 // Update Usermeta Data
 244                                 $user = new WP_User($ret_id);
 245                                 if('10' == $transperms[$privs]) { $user->set_role('administrator'); }
 246                                 if('9'  == $transperms[$privs]) { $user->set_role('editor'); }
 247                                 if('5'  == $transperms[$privs]) { $user->set_role('editor'); }
 248                                 if('4'  == $transperms[$privs]) { $user->set_role('author'); }
 249                                 if('3'  == $transperms[$privs]) { $user->set_role('contributor'); }
 250                                 if('2'  == $transperms[$privs]) { $user->set_role('contributor'); }
 251                                 if('0'  == $transperms[$privs]) { $user->set_role('subscriber'); }
 252
 253                                 update_usermeta( $ret_id, 'wp_user_level', $transperms[$privs] );
 254                                 update_usermeta( $ret_id, 'rich_editing', 'false');
 255                         }// End foreach($users as $user)
 256
 257                         // Store id translation array for future use
 258                         add_option('txpid2wpid',$txpid2wpid);
 259
 260
 261                         echo '<p>'.sprintf(__('Done! <strong>%1$s</strong> users imported.'), $count).'<br /><br /></p>';
 262                         return true;
 263                 }// End if(is_array($users)
 264
 265                 echo __('No Users to Import!');
 266                 return false;
 267
 268         }// End function user2wp()
 269
 270         function posts2wp($posts='')
 271         {
 272                 // General Housekeeping
 273                 global $wpdb;
 274                 $count = 0;
 275                 $txpposts2wpposts = array();
 276                 $cats = array();
 277
 278                 // Do the Magic
 279                 if(is_array($posts))
 280                 {
 281                         echo '<p>'.__('Importing Posts...').'<br /><br /></p>';
 282                         foreach($posts as $post)
 283                         {
 284                                 $count++;
 285                                 extract($post);
 286
 287                                 // Set Textpattern-to-WordPress status translation
 288                                 $stattrans = array(1 => 'draft', 2 => 'private', 3 => 'draft', 4 => 'publish', 5 => 'publish');
 289
 290                                 //Can we do this more efficiently?
 291                                 $uinfo = ( get_userdatabylogin( $AuthorID ) ) ? get_userdatabylogin( $AuthorID ) : 1;
 292                                 $authorid = ( is_object( $uinfo ) ) ? $uinfo->ID : $uinfo ;
 293
 294                                 $Title = $wpdb->escape($Title);
 295                                 $Body = $wpdb->escape($Body);
 296                                 $Excerpt = $wpdb->escape($Excerpt);
 297                                 $post_status = $stattrans[$Status];
 298
 299                                 // Import Post data into WordPress
 300
 301                                 if($pinfo = post_exists($Title,$Body))
 302                                 {
 303                                         $ret_id = wp_insert_post(array(
 304                                                         'ID'                            => $pinfo,
 305                                                         'post_date'                     => $Posted,
 306                                                         'post_date_gmt'         => $post_date_gmt,
 307                                                         'post_author'           => $authorid,
 308                                                         'post_modified'         => $LastMod,
 309                                                         'post_modified_gmt' => $post_modified_gmt,
 310                                                         'post_title'            => $Title,
 311                                                         'post_content'          => $Body,
 312                                                         'post_excerpt'          => $Excerpt,
 313                                                         'post_status'           => $post_status,
 314                                                         'post_name'                     => $url_title,
 315                                                         'comment_count'         => $comments_count)
 316                                                         );
 317                                 }
 318                                 else
 319                                 {
 320                                         $ret_id = wp_insert_post(array(
 321                                                         'post_date'                     => $Posted,
 322                                                         'post_date_gmt'         => $post_date_gmt,
 323                                                         'post_author'           => $authorid,
 324                                                         'post_modified'         => $LastMod,
 325                                                         'post_modified_gmt' => $post_modified_gmt,
 326                                                         'post_title'            => $Title,
 327                                                         'post_content'          => $Body,
 328                                                         'post_excerpt'          => $Excerpt,
 329                                                         'post_status'           => $post_status,
 330                                                         'post_name'                     => $url_title,
 331                                                         'comment_count'         => $comments_count)
 332                                                         );
 333                                 }
 334                                 $txpposts2wpposts[$ID] = $ret_id;
 335
 336                                 // Make Post-to-Category associations
 337                                 $cats = array();
 338                                 if($cat1 = get_catbynicename($Category1)) { $cats[1] = $cat1; }
 339                                 if($cat2 = get_catbynicename($Category2)) { $cats[2] = $cat2; }
 340
 341                                 if(!empty($cats)) { wp_set_post_cats('', $ret_id, $cats); }
 342                         }
 343                 }
 344                 // Store ID translation for later use
 345                 add_option('txpposts2wpposts',$txpposts2wpposts);
 346
 347                 echo '<p>'.sprintf(__('Done! <strong>%1$s</strong> posts imported.'), $count).'<br /><br /></p>';
 348                 return true;
 349         }
 350
 351         function comments2wp($comments='')
 352         {
 353                 // General Housekeeping
 354                 global $wpdb;
 355                 $count = 0;
 356                 $txpcm2wpcm = array();
 357                 $postarr = get_option('txpposts2wpposts');
 358
 359                 // Magic Mojo
 360                 if(is_array($comments))
 361                 {
 362                         echo '<p>'.__('Importing Comments...').'<br /><br /></p>';
 363                         foreach($comments as $comment)
 364                         {
 365                                 $count++;
 366                                 extract($comment);
 367
 368                                 // WordPressify Data
 369                                 $comment_ID = ltrim($discussid, '0');
 370                                 $comment_post_ID = $postarr[$parentid];
 371                                 $comment_approved = (1 == $visible) ? 1 : 0;
 372                                 $name = $wpdb->escape($name);
 373                                 $email = $wpdb->escape($email);
 374                                 $web = $wpdb->escape($web);
 375                                 $message = $wpdb->escape($message);
 376
 377                                 if($cinfo = comment_exists($name, $posted))
 378                                 {
 379                                         // Update comments
 380                                         $ret_id = wp_update_comment(array(
 381                                                         'comment_ID'                    => $cinfo,
 382                                                         'comment_post_ID'               => $comment_post_ID,
 383                                                         'comment_author'                => $name,
 384                                                         'comment_author_email'  => $email,
 385                                                         'comment_author_url'    => $web,
 386                                                         'comment_date'                  => $posted,
 387                                                         'comment_content'               => $message,
 388                                                         'comment_approved'              => $comment_approved)
 389                                                         );
 390                                 }
 391                                 else
 392                                 {
 393                                         // Insert comments
 394                                         $ret_id = wp_insert_comment(array(
 395                                                         'comment_post_ID'               => $comment_post_ID,
 396                                                         'comment_author'                => $name,
 397                                                         'comment_author_email'  => $email,
 398                                                         'comment_author_url'    => $web,
 399                                                         'comment_author_IP'             => $ip,
 400                                                         'comment_date'                  => $posted,
 401                                                         'comment_content'               => $message,
 402                                                         'comment_approved'              => $comment_approved)
 403                                                         );
 404                                 }
 405                                 $txpcm2wpcm[$comment_ID] = $ret_id;
 406                         }
 407                         // Store Comment ID translation for future use
 408                         add_option('txpcm2wpcm', $txpcm2wpcm);
 409
 410                         // Associate newly formed categories with posts
 411                         get_comment_count($ret_id);
 412
 413
 414                         echo '<p>'.sprintf(__('Done! <strong>%1$s</strong> comments imported.'), $count).'<br /><br /></p>';
 415                         return true;
 416                 }
 417                 echo __('No Comments to Import!');
 418                 return false;
 419         }
 420
 421         function links2wp($links='')
 422         {
 423                 // General Housekeeping
 424                 global $wpdb;
 425                 $count = 0;
 426
 427                 // Deal with the links
 428                 if(is_array($links))
 429                 {
 430                         echo '<p>'.__('Importing Links...').'<br /><br /></p>';
 431                         foreach($links as $link)
 432                         {
 433                                 $count++;
 434                                 extract($link);
 435
 436                                 // Make nice vars
 437                                 $category = $wpdb->escape($category);
 438                                 $linkname = $wpdb->escape($linkname);
 439                                 $description = $wpdb->escape($description);
 440
 441                                 if($linfo = link_exists($linkname))
 442                                 {
 443                                         $ret_id = wp_insert_link(array(
 444                                                                 'link_id'                       => $linfo,
 445                                                                 'link_url'                      => $url,
 446                                                                 'link_name'                     => $linkname,
 447                                                                 'link_category'         => $category,
 448                                                                 'link_description'      => $description,
 449                                                                 'link_updated'          => $date)
 450                                                                 );
 451                                 }
 452                                 else
 453                                 {
 454                                         $ret_id = wp_insert_link(array(
 455                                                                 'link_url'                      => $url,
 456                                                                 'link_name'                     => $linkname,
 457                                                                 'link_category'         => $category,
 458                                                                 'link_description'      => $description,
 459                                                                 'link_updated'          => $date)
 460                                                                 );
 461                                 }
 462                                 $txplinks2wplinks[$link_id] = $ret_id;
 463                         }
 464                         add_option('txplinks2wplinks',$txplinks2wplinks);
 465                         echo '<p>';
 466                         printf(__('Done! <strong>%s</strong> Links imported'), $count);
 467                         echo '<br /><br /></p>';
 468                         return true;
 469                 }
 470                 echo __('No Links to Import!');
 471                 return false;
 472         }
 473
 474         function import_categories()
 475         {
 476                 // Category Import
 477                 $cats = $this->get_txp_cats();
 478                 $this->cat2wp($cats);
 479                 add_option('txp_cats', $cats);
 480
 481
 482
 483                 echo '<form action="admin.php?import=textpattern&amp;step=2" method="post">';
 484                 printf('<input type="submit" name="submit" value="%s" />', __('Import Users'));
 485                 echo '</form>';
 486
 487         }
 488
 489         function import_users()
 490         {
 491                 // User Import
 492                 $users = $this->get_txp_users();
 493                 $this->users2wp($users);
 494
 495                 echo '<form action="admin.php?import=textpattern&amp;step=3" method="post">';
 496                 printf('<input type="submit" name="submit" value="%s" />', __('Import Posts'));
 497                 echo '</form>';
 498         }
 499
 500         function import_posts()
 501         {
 502                 // Post Import
 503                 $posts = $this->get_txp_posts();
 504                 $this->posts2wp($posts);
 505
 506                 echo '<form action="admin.php?import=textpattern&amp;step=4" method="post">';
 507                 printf('<input type="submit" name="submit" value="%s" />', __('Import Comments'));
 508                 echo '</form>';
 509         }
 510
 511         function import_comments()
 512         {
 513                 // Comment Import
 514                 $comments = $this->get_txp_comments();
 515                 $this->comments2wp($comments);
 516
 517                 echo '<form action="admin.php?import=textpattern&amp;step=5" method="post">';
 518                 printf('<input type="submit" name="submit" value="%s" />', __('Import Links'));
 519                 echo '</form>';
 520         }
 521
 522         function import_links()
 523         {
 524                 //Link Import
 525                 $links = $this->get_txp_links();
 526                 $this->links2wp($links);
 527                 add_option('txp_links', $links);
 528
 529                 echo '<form action="admin.php?import=textpattern&amp;step=6" method="post">';
 530                 printf('<input type="submit" name="submit" value="%s" />', __('Finish'));
 531                 echo '</form>';
 532         }
 533
 534         function cleanup_txpimport()
 535         {
 536                 delete_option('tpre');
 537                 delete_option('txp_cats');
 538                 delete_option('txpid2wpid');
 539                 delete_option('txpcat2wpcat');
 540                 delete_option('txpposts2wpposts');
 541                 delete_option('txpcm2wpcm');
 542                 delete_option('txplinks2wplinks');
 543                 delete_option('txpuser');
 544                 delete_option('txppass');
 545                 delete_option('txpname');
 546                 delete_option('txphost');
 547                 $this->tips();
 548         }
 549
 550         function tips()
 551         {
 552                 echo '<p>'.__('Welcome to WordPress.  We hope (and expect!) that you will find this platform incredibly rewarding!  As a new WordPress user coming from Textpattern, there are some things that we would like to point out.  Hopefully, they will help your transition go as smoothly as possible.').'</p>';
 553                 echo '<h3>'.__('Users').'</h3>';
 554                 echo '<p>'.sprintf(__('You have already setup WordPress and have been assigned an administrative login and password.  Forget it.  You didn\'t have that login in Textpattern, why should you have it here?  Instead we have taken care to import all of your users into our system.  Unfortunately there is one downside.  Because both WordPress and Textpattern uses a strong encryption hash with passwords, it is impossible to decrypt it and we are forced to assign temporary passwords to all your users.  <strong>Every user has the same username, but their passwords are reset to password123.</strong>  So <a href="%1$s">Login</a> and change it.'), '/wp-login.php').'</p>';
 555                 echo '<h3>'.__('Preserving Authors').'</h3>';
 556                 echo '<p>'.__('Secondly, we have attempted to preserve post authors.  If you are the only author or contributor to your blog, then you are safe.  In most cases, we are successful in this preservation endeavor.  However, if we cannot ascertain the name of the writer due to discrepancies between database tables, we assign it to you, the administrative user.').'</p>';
 557                 echo '<h3>'.__('Textile').'</h3>';
 558                 echo '<p>'.__('Also, since you\'re coming from Textpattern, you probably have been using Textile to format your comments and posts.  If this is the case, we recommend downloading and installing <a href="http://www.huddledmasses.org/2004/04/19/wordpress-plugin-textile-20/">Textile for WordPress</a>.  Trust me... You\'ll want it.').'</p>';
 559                 echo '<h3>'.__('WordPress Resources').'</h3>';
 560                 echo '<p>'.__('Finally, there are numerous WordPress resources around the internet.  Some of them are:').'</p>';
 561                 echo '<ul>';
 562                 echo '<li>'.__('<a href="http://www.wordpress.org">The official WordPress site</a>').'</li>';
 563                 echo '<li>'.__('<a href="http://wordpress.org/support/">The WordPress support forums').'</li>';
 564                 echo '<li>'.__('<a href="http://codex.wordpress.org">The Codex (In other words, the WordPress Bible)</a>').'</li>';
 565                 echo '</ul>';
 566                 echo '<p>'.sprintf(__('That\'s it! What are you waiting for? Go <a href="%1$s">login</a>!'), '/wp-login.php').'</p>';
 567         }
 568
 569         function db_form()
 570         {
 571                 echo '<ul>';
 572                 printf('<li><label for="dbuser">%s</label> <input type="text" name="dbuser" id="dbuser" /></li>', __('Textpattern Database User:'));
 573                 printf('<li><label for="dbpass">%s</label> <input type="password" name="dbpass" id="dbpass" /></li>', __('Textpattern Database Password:'));
 574                 printf('<li><label for="dbname">%s</label> <input type="text" id="dbname" name="dbname" /></li>', __('Textpattern Database Name:'));
 575                 printf('<li><label for="dbhost">%s</label> <input type="text" id="dbhost" name="dbhost" value="localhost" /></li>', __('Textpattern Database Host:'));
 576                 printf('<li><label for="dbprefix">%s</label> <input type="text" name="dbprefix" id="dbprefix"  /></li>', __('Textpattern Table prefix (if any):'));
 577                 echo '</ul>';
 578         }
 579
 580         function dispatch()
 581         {
 582
 583                 if (empty ($_GET['step']))
 584                         $step = 0;
 585                 else
 586                         $step = (int) $_GET['step'];
 587                 $this->header();
 588
 589                 if ( $step > 0 )
 590                 {
 591                         if($_POST['dbuser'])
 592                         {
 593                                 if(get_option('txpuser'))
 594                                         delete_option('txpuser');
 595                                 add_option('txpuser',$_POST['dbuser']);
 596                         }
 597                         if($_POST['dbpass'])
 598                         {
 599                                 if(get_option('txppass'))
 600                                         delete_option('txppass');
 601                                 add_option('txppass',$_POST['dbpass']);
 602                         }
 603
 604                         if($_POST['dbname'])
 605                         {
 606                                 if(get_option('txpname'))
 607                                         delete_option('txpname');
 608                                 add_option('txpname',$_POST['dbname']);
 609                         }
 610                         if($_POST['dbhost'])
 611                         {
 612                                 if(get_option('txphost'))
 613                                         delete_option('txphost');
 614                                 add_option('txphost',$_POST['dbhost']);
 615                         }
 616                         if($_POST['dbprefix'])
 617                         {
 618                                 if(get_option('tpre'))
 619                                         delete_option('tpre');
 620                                 add_option('tpre',$_POST['dbprefix']);
 621                         }
 622
 623
 624                 }
 625
 626                 switch ($step)
 627                 {
 628                         default:
 629                         case 0 :
 630                                 $this->greet();
 631                                 break;
 632                         case 1 :
 633                                 $this->import_categories();
 634                                 break;
 635                         case 2 :
 636                                 $this->import_users();
 637                                 break;
 638                         case 3 :
 639                                 $this->import_posts();
 640                                 break;
 641                         case 4 :
 642                                 $this->import_comments();
 643                                 break;
 644                         case 5 :
 645                                 $this->import_links();
 646                                 break;
 647                         case 6 :
 648                                 $this->cleanup_txpimport();
 649                                 break;
 650                 }
 651
 652                 $this->footer();
 653         }
 654
 655         function Textpattern_Import()
 656         {
 657                 // Nothing.
 658         }
 659 }
 660
 661 $txp_import = new Textpattern_Import();
 662 register_importer('textpattern', 'Textpattern', __('Import posts from a Textpattern Blog'), array ($txp_import, 'dispatch'));
 663 ?>