3 * WordPress Upgrade API
5 * Most of the functions are pluggable and can be overwritten.
8 * @subpackage Administration
11 /** Include user install customize script. */
12 if ( file_exists(WP_CONTENT_DIR . '/install.php') )
13 require (WP_CONTENT_DIR . '/install.php');
15 /** WordPress Administration API */
16 require_once(ABSPATH . 'wp-admin/includes/admin.php');
18 /** WordPress Schema API */
19 require_once(ABSPATH . 'wp-admin/includes/schema.php');
21 if ( !function_exists('wp_install') ) :
25 * Runs the required functions to set up and populate the database,
26 * including primary admin user and initial options.
30 * @param string $blog_title Blog title.
31 * @param string $user_name User's username.
32 * @param string $user_email User's email.
33 * @param bool $public Whether blog is public.
34 * @param string $deprecated Optional. Not used.
35 * @param string $user_password Optional. User's chosen password. Default empty (random password).
36 * @param string $language Optional. Language chosen. Default empty.
37 * @return array Array keys 'url', 'user_id', 'password', and 'password_message'.
39 function wp_install( $blog_title, $user_name, $user_email, $public, $deprecated = '', $user_password = '', $language = '' ) {
40 if ( !empty( $deprecated ) )
41 _deprecated_argument( __FUNCTION__, '2.6' );
43 wp_check_mysql_version();
45 make_db_current_silent();
49 update_option('blogname', $blog_title);
50 update_option('admin_email', $user_email);
51 update_option('blog_public', $public);
54 update_option( 'WPLANG', $language );
57 $guessurl = wp_guess_url();
59 update_option('siteurl', $guessurl);
61 // If not a public blog, don't ping.
63 update_option('default_pingback_flag', 0);
66 * Create default user. If the user already exists, the user tables are
67 * being shared among blogs. Just set the role in that case.
69 $user_id = username_exists($user_name);
70 $user_password = trim($user_password);
71 $email_password = false;
72 if ( !$user_id && empty($user_password) ) {
73 $user_password = wp_generate_password( 12, false );
74 $message = __('<strong><em>Note that password</em></strong> carefully! It is a <em>random</em> password that was generated just for you.');
75 $user_id = wp_create_user($user_name, $user_password, $user_email);
76 update_user_option($user_id, 'default_password_nag', true, true);
77 $email_password = true;
78 } elseif ( ! $user_id ) {
79 // Password has been provided
80 $message = '<em>'.__('Your chosen password.').'</em>';
81 $user_id = wp_create_user($user_name, $user_password, $user_email);
83 $message = __('User already exists. Password inherited.');
86 $user = new WP_User($user_id);
87 $user->set_role('administrator');
89 wp_install_defaults($user_id);
91 wp_install_maybe_enable_pretty_permalinks();
93 flush_rewrite_rules();
95 wp_new_blog_notification($blog_title, $guessurl, $user_id, ($email_password ? $user_password : __('The password you chose during the install.') ) );
100 * Fires after a site is fully installed.
104 * @param WP_User $user The site owner.
106 do_action( 'wp_install', $user );
108 return array('url' => $guessurl, 'user_id' => $user_id, 'password' => $user_password, 'password_message' => $message);
112 if ( !function_exists('wp_install_defaults') ) :
114 * Creates the initial content for a newly-installed site.
116 * Adds the default "Uncategorized" category, the first post (with comment),
117 * first page, and default widgets for default theme for the current version.
121 * @param int $user_id User ID.
123 function wp_install_defaults( $user_id ) {
124 global $wpdb, $wp_rewrite, $table_prefix;
127 $cat_name = __('Uncategorized');
128 /* translators: Default category slug */
129 $cat_slug = sanitize_title(_x('Uncategorized', 'Default category slug'));
131 if ( global_terms_enabled() ) {
132 $cat_id = $wpdb->get_var( $wpdb->prepare( "SELECT cat_ID FROM {$wpdb->sitecategories} WHERE category_nicename = %s", $cat_slug ) );
133 if ( $cat_id == null ) {
134 $wpdb->insert( $wpdb->sitecategories, array('cat_ID' => 0, 'cat_name' => $cat_name, 'category_nicename' => $cat_slug, 'last_updated' => current_time('mysql', true)) );
135 $cat_id = $wpdb->insert_id;
137 update_option('default_category', $cat_id);
142 $wpdb->insert( $wpdb->terms, array('term_id' => $cat_id, 'name' => $cat_name, 'slug' => $cat_slug, 'term_group' => 0) );
143 $wpdb->insert( $wpdb->term_taxonomy, array('term_id' => $cat_id, 'taxonomy' => 'category', 'description' => '', 'parent' => 0, 'count' => 1));
144 $cat_tt_id = $wpdb->insert_id;
147 $now = current_time( 'mysql' );
148 $now_gmt = current_time( 'mysql', 1 );
149 $first_post_guid = get_option( 'home' ) . '/?p=1';
151 if ( is_multisite() ) {
152 $first_post = get_site_option( 'first_post' );
154 if ( empty($first_post) )
155 $first_post = __( 'Welcome to <a href="SITE_URL">SITE_NAME</a>. This is your first post. Edit or delete it, then start blogging!' );
157 $first_post = str_replace( "SITE_URL", esc_url( network_home_url() ), $first_post );
158 $first_post = str_replace( "SITE_NAME", get_current_site()->site_name, $first_post );
160 $first_post = __('Welcome to WordPress. This is your first post. Edit or delete it, then start blogging!');
163 $wpdb->insert( $wpdb->posts, array(
164 'post_author' => $user_id,
166 'post_date_gmt' => $now_gmt,
167 'post_content' => $first_post,
168 'post_excerpt' => '',
169 'post_title' => __('Hello world!'),
170 /* translators: Default post slug */
171 'post_name' => sanitize_title( _x('hello-world', 'Default post slug') ),
172 'post_modified' => $now,
173 'post_modified_gmt' => $now_gmt,
174 'guid' => $first_post_guid,
175 'comment_count' => 1,
178 'post_content_filtered' => ''
180 $wpdb->insert( $wpdb->term_relationships, array('term_taxonomy_id' => $cat_tt_id, 'object_id' => 1) );
183 $first_comment_author = __('Mr WordPress');
184 $first_comment_url = 'https://wordpress.org/';
185 $first_comment = __('Hi, this is a comment.
186 To delete a comment, just log in and view the post's comments. There you will have the option to edit or delete them.');
187 if ( is_multisite() ) {
188 $first_comment_author = get_site_option( 'first_comment_author', $first_comment_author );
189 $first_comment_url = get_site_option( 'first_comment_url', network_home_url() );
190 $first_comment = get_site_option( 'first_comment', $first_comment );
192 $wpdb->insert( $wpdb->comments, array(
193 'comment_post_ID' => 1,
194 'comment_author' => $first_comment_author,
195 'comment_author_email' => '',
196 'comment_author_url' => $first_comment_url,
197 'comment_date' => $now,
198 'comment_date_gmt' => $now_gmt,
199 'comment_content' => $first_comment
203 $first_page = sprintf( __( "This is an example page. It's different from a blog post because it will stay in one place and will show up in your site navigation (in most themes). Most people start with an About page that introduces them to potential site visitors. It might say something like this:
205 <blockquote>Hi there! I'm a bike messenger by day, aspiring actor by night, and this is my blog. I live in Los Angeles, have a great dog named Jack, and I like piña coladas. (And gettin' caught in the rain.)</blockquote>
207 ...or something like this:
209 <blockquote>The XYZ Doohickey Company was founded in 1971, and has been providing quality doohickeys to the public ever since. Located in Gotham City, XYZ employs over 2,000 people and does all kinds of awesome things for the Gotham community.</blockquote>
211 As a new WordPress user, you should go to <a href=\"%s\">your dashboard</a> to delete this page and create new pages for your content. Have fun!" ), admin_url() );
212 if ( is_multisite() )
213 $first_page = get_site_option( 'first_page', $first_page );
214 $first_post_guid = get_option('home') . '/?page_id=2';
215 $wpdb->insert( $wpdb->posts, array(
216 'post_author' => $user_id,
218 'post_date_gmt' => $now_gmt,
219 'post_content' => $first_page,
220 'post_excerpt' => '',
221 'post_title' => __( 'Sample Page' ),
222 /* translators: Default page slug */
223 'post_name' => __( 'sample-page' ),
224 'post_modified' => $now,
225 'post_modified_gmt' => $now_gmt,
226 'guid' => $first_post_guid,
227 'post_type' => 'page',
230 'post_content_filtered' => ''
232 $wpdb->insert( $wpdb->postmeta, array( 'post_id' => 2, 'meta_key' => '_wp_page_template', 'meta_value' => 'default' ) );
234 // Set up default widgets for default theme.
235 update_option( 'widget_search', array ( 2 => array ( 'title' => '' ), '_multiwidget' => 1 ) );
236 update_option( 'widget_recent-posts', array ( 2 => array ( 'title' => '', 'number' => 5 ), '_multiwidget' => 1 ) );
237 update_option( 'widget_recent-comments', array ( 2 => array ( 'title' => '', 'number' => 5 ), '_multiwidget' => 1 ) );
238 update_option( 'widget_archives', array ( 2 => array ( 'title' => '', 'count' => 0, 'dropdown' => 0 ), '_multiwidget' => 1 ) );
239 update_option( 'widget_categories', array ( 2 => array ( 'title' => '', 'count' => 0, 'hierarchical' => 0, 'dropdown' => 0 ), '_multiwidget' => 1 ) );
240 update_option( 'widget_meta', array ( 2 => array ( 'title' => '' ), '_multiwidget' => 1 ) );
241 update_option( 'sidebars_widgets', array ( 'wp_inactive_widgets' => array (), 'sidebar-1' => array ( 0 => 'search-2', 1 => 'recent-posts-2', 2 => 'recent-comments-2', 3 => 'archives-2', 4 => 'categories-2', 5 => 'meta-2', ), 'array_version' => 3 ) );
243 if ( ! is_multisite() )
244 update_user_meta( $user_id, 'show_welcome_panel', 1 );
245 elseif ( ! is_super_admin( $user_id ) && ! metadata_exists( 'user', $user_id, 'show_welcome_panel' ) )
246 update_user_meta( $user_id, 'show_welcome_panel', 2 );
248 if ( is_multisite() ) {
249 // Flush rules to pick up the new page.
251 $wp_rewrite->flush_rules();
253 $user = new WP_User($user_id);
254 $wpdb->update( $wpdb->options, array('option_value' => $user->user_email), array('option_name' => 'admin_email') );
256 // Remove all perms except for the login user.
257 $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id != %d AND meta_key = %s", $user_id, $table_prefix.'user_level') );
258 $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id != %d AND meta_key = %s", $user_id, $table_prefix.'capabilities') );
260 // Delete any caps that snuck into the previously active blog. (Hardcoded to blog 1 for now.) TODO: Get previous_blog_id.
261 if ( !is_super_admin( $user_id ) && $user_id != 1 )
262 $wpdb->delete( $wpdb->usermeta, array( 'user_id' => $user_id , 'meta_key' => $wpdb->base_prefix.'1_capabilities' ) );
268 * Maybe enable pretty permalinks on install.
270 * If after enabling pretty permalinks don't work, fallback to query-string permalinks.
274 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
276 * @return bool Whether pretty permalinks are enabled. False otherwise.
278 function wp_install_maybe_enable_pretty_permalinks() {
281 // Bail if a permalink structure is already enabled.
282 if ( get_option( 'permalink_structure' ) ) {
287 * The Permalink structures to attempt.
289 * The first is designed for mod_rewrite or nginx rewriting.
291 * The second is PATHINFO-based permalinks for web server configurations
292 * without a true rewrite module enabled.
294 $permalink_structures = array(
295 '/%year%/%monthnum%/%day%/%postname%/',
296 '/index.php/%year%/%monthnum%/%day%/%postname%/'
299 foreach ( (array) $permalink_structures as $permalink_structure ) {
300 $wp_rewrite->set_permalink_structure( $permalink_structure );
303 * Flush rules with the hard option to force refresh of the web-server's
304 * rewrite config file (e.g. .htaccess or web.config).
306 $wp_rewrite->flush_rules( true );
308 // Test against a real WordPress Post, or if none were created, a random 404 page.
309 $test_url = get_permalink( 1 );
312 $test_url = home_url( '/wordpress-check-for-rewrites/' );
316 * Send a request to the site, and check whether
317 * the 'x-pingback' header is returned as expected.
319 * Uses wp_remote_get() instead of wp_remote_head() because web servers
320 * can block head requests.
322 $response = wp_remote_get( $test_url, array( 'timeout' => 5 ) );
323 $x_pingback_header = wp_remote_retrieve_header( $response, 'x-pingback' );
324 $pretty_permalinks = $x_pingback_header && $x_pingback_header === get_bloginfo( 'pingback_url' );
326 if ( $pretty_permalinks ) {
332 * If it makes it this far, pretty permalinks failed.
333 * Fallback to query-string permalinks.
335 $wp_rewrite->set_permalink_structure( '' );
336 $wp_rewrite->flush_rules( true );
341 if ( !function_exists('wp_new_blog_notification') ) :
343 * Notifies the site admin that the setup is complete.
345 * Sends an email with wp_mail to the new administrator that the site setup is complete,
346 * and provides them with a record of their login credentials.
350 * @param string $blog_title Blog title.
351 * @param string $blog_url Blog url.
352 * @param int $user_id User ID.
353 * @param string $password User's Password.
355 function wp_new_blog_notification($blog_title, $blog_url, $user_id, $password) {
356 $user = new WP_User( $user_id );
357 $email = $user->user_email;
358 $name = $user->user_login;
359 $login_url = wp_login_url();
360 $message = sprintf( __( "Your new WordPress site has been successfully set up at:
364 You can log in to the administrator account with the following information:
370 We hope you enjoy your new site. Thanks!
373 https://wordpress.org/
374 "), $blog_url, $name, $password, $login_url );
376 @wp_mail($email, __('New WordPress Site'), $message);
380 if ( !function_exists('wp_upgrade') ) :
382 * Runs WordPress Upgrade functions.
384 * Upgrades the database if needed during a site update.
388 * @return null If no update is necessary or site isn't completely installed, null.
390 function wp_upgrade() {
391 global $wp_current_db_version, $wp_db_version, $wpdb;
393 $wp_current_db_version = __get_option('db_version');
395 // We are up-to-date. Nothing to do.
396 if ( $wp_db_version == $wp_current_db_version )
399 if ( ! is_blog_installed() )
402 wp_check_mysql_version();
404 pre_schema_upgrade();
405 make_db_current_silent();
407 if ( is_multisite() && is_main_site() )
411 if ( is_multisite() ) {
412 if ( $wpdb->get_row( "SELECT blog_id FROM {$wpdb->blog_versions} WHERE blog_id = '{$wpdb->blogid}'" ) )
413 $wpdb->query( "UPDATE {$wpdb->blog_versions} SET db_version = '{$wp_db_version}' WHERE blog_id = '{$wpdb->blogid}'" );
415 $wpdb->query( "INSERT INTO {$wpdb->blog_versions} ( `blog_id` , `db_version` , `last_updated` ) VALUES ( '{$wpdb->blogid}', '{$wp_db_version}', NOW());" );
419 * Fires after a site is fully upgraded.
423 * @param int $wp_db_version The new $wp_db_version.
424 * @param int $wp_current_db_version The old (current) $wp_db_version.
426 do_action( 'wp_upgrade', $wp_db_version, $wp_current_db_version );
431 * Functions to be called in install and upgrade scripts.
433 * Contains conditional checks to determine which upgrade scripts to run,
434 * based on database version and WP version being updated-to.
438 * @return null If no update is necessary, null.
440 function upgrade_all() {
441 global $wp_current_db_version, $wp_db_version;
442 $wp_current_db_version = __get_option('db_version');
444 // We are up-to-date. Nothing to do.
445 if ( $wp_db_version == $wp_current_db_version )
448 // If the version is not set in the DB, try to guess the version.
449 if ( empty($wp_current_db_version) ) {
450 $wp_current_db_version = 0;
452 // If the template option exists, we have 1.5.
453 $template = __get_option('template');
454 if ( !empty($template) )
455 $wp_current_db_version = 2541;
458 if ( $wp_current_db_version < 6039 )
459 upgrade_230_options_table();
463 if ( $wp_current_db_version < 2541 ) {
470 if ( $wp_current_db_version < 3308 )
473 if ( $wp_current_db_version < 4772 )
476 if ( $wp_current_db_version < 4351 )
479 if ( $wp_current_db_version < 5539 )
482 if ( $wp_current_db_version < 6124 )
483 upgrade_230_old_tables();
485 if ( $wp_current_db_version < 7499 )
488 if ( $wp_current_db_version < 7935 )
491 if ( $wp_current_db_version < 8201 )
494 if ( $wp_current_db_version < 8989 )
497 if ( $wp_current_db_version < 10360 )
500 if ( $wp_current_db_version < 11958 )
503 if ( $wp_current_db_version < 15260 )
506 if ( $wp_current_db_version < 19389 )
509 if ( $wp_current_db_version < 20080 )
512 if ( $wp_current_db_version < 22422 )
515 if ( $wp_current_db_version < 25824 )
518 if ( $wp_current_db_version < 26148 )
521 if ( $wp_current_db_version < 26691 )
524 if ( $wp_current_db_version < 29630 )
527 if ( $wp_current_db_version < 31534 )
530 if ( $wp_current_db_version < 31536 )
533 maybe_disable_link_manager();
535 maybe_disable_automattic_widgets();
537 update_option( 'db_version', $wp_db_version );
538 update_option( 'db_upgraded', true );
542 * Execute changes made in WordPress 1.0.
546 function upgrade_100() {
549 // Get the title and ID of every post, post_name to check if it already has a value
550 $posts = $wpdb->get_results("SELECT ID, post_title, post_name FROM $wpdb->posts WHERE post_name = ''");
552 foreach($posts as $post) {
553 if ('' == $post->post_name) {
554 $newtitle = sanitize_title($post->post_title);
555 $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET post_name = %s WHERE ID = %d", $newtitle, $post->ID) );
560 $categories = $wpdb->get_results("SELECT cat_ID, cat_name, category_nicename FROM $wpdb->categories");
561 foreach ($categories as $category) {
562 if ('' == $category->category_nicename) {
563 $newtitle = sanitize_title($category->cat_name);
564 $wpdb->update( $wpdb->categories, array('category_nicename' => $newtitle), array('cat_ID' => $category->cat_ID) );
568 $sql = "UPDATE $wpdb->options
569 SET option_value = REPLACE(option_value, 'wp-links/links-images/', 'wp-images/links/')
570 WHERE option_name LIKE %s
571 AND option_value LIKE %s";
572 $wpdb->query( $wpdb->prepare( $sql, $wpdb->esc_like( 'links_rating_image' ) . '%', $wpdb->esc_like( 'wp-links/links-images/' ) . '%' ) );
574 $done_ids = $wpdb->get_results("SELECT DISTINCT post_id FROM $wpdb->post2cat");
576 $done_posts = array();
577 foreach ($done_ids as $done_id) :
578 $done_posts[] = $done_id->post_id;
580 $catwhere = ' AND ID NOT IN (' . implode(',', $done_posts) . ')';
585 $allposts = $wpdb->get_results("SELECT ID, post_category FROM $wpdb->posts WHERE post_category != '0' $catwhere");
587 foreach ($allposts as $post) {
588 // Check to see if it's already been imported
589 $cat = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->post2cat WHERE post_id = %d AND category_id = %d", $post->ID, $post->post_category) );
590 if (!$cat && 0 != $post->post_category) { // If there's no result
591 $wpdb->insert( $wpdb->post2cat, array('post_id' => $post->ID, 'category_id' => $post->post_category) );
598 * Execute changes made in WordPress 1.0.1.
602 function upgrade_101() {
605 // Clean up indices, add a few
606 add_clean_index($wpdb->posts, 'post_name');
607 add_clean_index($wpdb->posts, 'post_status');
608 add_clean_index($wpdb->categories, 'category_nicename');
609 add_clean_index($wpdb->comments, 'comment_approved');
610 add_clean_index($wpdb->comments, 'comment_post_ID');
611 add_clean_index($wpdb->links , 'link_category');
612 add_clean_index($wpdb->links , 'link_visible');
616 * Execute changes made in WordPress 1.2.
620 function upgrade_110() {
623 // Set user_nicename.
624 $users = $wpdb->get_results("SELECT ID, user_nickname, user_nicename FROM $wpdb->users");
625 foreach ($users as $user) {
626 if ('' == $user->user_nicename) {
627 $newname = sanitize_title($user->user_nickname);
628 $wpdb->update( $wpdb->users, array('user_nicename' => $newname), array('ID' => $user->ID) );
632 $users = $wpdb->get_results("SELECT ID, user_pass from $wpdb->users");
633 foreach ($users as $row) {
634 if (!preg_match('/^[A-Fa-f0-9]{32}$/', $row->user_pass)) {
635 $wpdb->update( $wpdb->users, array('user_pass' => md5($row->user_pass)), array('ID' => $row->ID) );
639 // Get the GMT offset, we'll use that later on
640 $all_options = get_alloptions_110();
642 $time_difference = $all_options->time_difference;
644 $server_time = time()+date('Z');
645 $weblogger_time = $server_time + $time_difference * HOUR_IN_SECONDS;
648 $diff_gmt_server = ($gmt_time - $server_time) / HOUR_IN_SECONDS;
649 $diff_weblogger_server = ($weblogger_time - $server_time) / HOUR_IN_SECONDS;
650 $diff_gmt_weblogger = $diff_gmt_server - $diff_weblogger_server;
651 $gmt_offset = -$diff_gmt_weblogger;
653 // Add a gmt_offset option, with value $gmt_offset
654 add_option('gmt_offset', $gmt_offset);
656 // Check if we already set the GMT fields (if we did, then
657 // MAX(post_date_gmt) can't be '0000-00-00 00:00:00'
658 // <michel_v> I just slapped myself silly for not thinking about it earlier
659 $got_gmt_fields = ! ($wpdb->get_var("SELECT MAX(post_date_gmt) FROM $wpdb->posts") == '0000-00-00 00:00:00');
661 if (!$got_gmt_fields) {
663 // Add or subtract time to all dates, to get GMT dates
664 $add_hours = intval($diff_gmt_weblogger);
665 $add_minutes = intval(60 * ($diff_gmt_weblogger - $add_hours));
666 $wpdb->query("UPDATE $wpdb->posts SET post_date_gmt = DATE_ADD(post_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
667 $wpdb->query("UPDATE $wpdb->posts SET post_modified = post_date");
668 $wpdb->query("UPDATE $wpdb->posts SET post_modified_gmt = DATE_ADD(post_modified, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE) WHERE post_modified != '0000-00-00 00:00:00'");
669 $wpdb->query("UPDATE $wpdb->comments SET comment_date_gmt = DATE_ADD(comment_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
670 $wpdb->query("UPDATE $wpdb->users SET user_registered = DATE_ADD(user_registered, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
676 * Execute changes made in WordPress 1.5.
680 function upgrade_130() {
683 // Remove extraneous backslashes.
684 $posts = $wpdb->get_results("SELECT ID, post_title, post_content, post_excerpt, guid, post_date, post_name, post_status, post_author FROM $wpdb->posts");
686 foreach($posts as $post) {
687 $post_content = addslashes(deslash($post->post_content));
688 $post_title = addslashes(deslash($post->post_title));
689 $post_excerpt = addslashes(deslash($post->post_excerpt));
690 if ( empty($post->guid) )
691 $guid = get_permalink($post->ID);
695 $wpdb->update( $wpdb->posts, compact('post_title', 'post_content', 'post_excerpt', 'guid'), array('ID' => $post->ID) );
700 // Remove extraneous backslashes.
701 $comments = $wpdb->get_results("SELECT comment_ID, comment_author, comment_content FROM $wpdb->comments");
703 foreach($comments as $comment) {
704 $comment_content = deslash($comment->comment_content);
705 $comment_author = deslash($comment->comment_author);
707 $wpdb->update($wpdb->comments, compact('comment_content', 'comment_author'), array('comment_ID' => $comment->comment_ID) );
711 // Remove extraneous backslashes.
712 $links = $wpdb->get_results("SELECT link_id, link_name, link_description FROM $wpdb->links");
714 foreach($links as $link) {
715 $link_name = deslash($link->link_name);
716 $link_description = deslash($link->link_description);
718 $wpdb->update( $wpdb->links, compact('link_name', 'link_description'), array('link_id' => $link->link_id) );
722 $active_plugins = __get_option('active_plugins');
725 * If plugins are not stored in an array, they're stored in the old
726 * newline separated format. Convert to new format.
728 if ( !is_array( $active_plugins ) ) {
729 $active_plugins = explode("\n", trim($active_plugins));
730 update_option('active_plugins', $active_plugins);
734 $wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'optionvalues');
735 $wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'optiontypes');
736 $wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'optiongroups');
737 $wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'optiongroup_options');
739 // Update comments table to use comment_type
740 $wpdb->query("UPDATE $wpdb->comments SET comment_type='trackback', comment_content = REPLACE(comment_content, '<trackback />', '') WHERE comment_content LIKE '<trackback />%'");
741 $wpdb->query("UPDATE $wpdb->comments SET comment_type='pingback', comment_content = REPLACE(comment_content, '<pingback />', '') WHERE comment_content LIKE '<pingback />%'");
743 // Some versions have multiple duplicate option_name rows with the same values
744 $options = $wpdb->get_results("SELECT option_name, COUNT(option_name) AS dupes FROM `$wpdb->options` GROUP BY option_name");
745 foreach ( $options as $option ) {
746 if ( 1 != $option->dupes ) { // Could this be done in the query?
747 $limit = $option->dupes - 1;
748 $dupe_ids = $wpdb->get_col( $wpdb->prepare("SELECT option_id FROM $wpdb->options WHERE option_name = %s LIMIT %d", $option->option_name, $limit) );
750 $dupe_ids = join($dupe_ids, ',');
751 $wpdb->query("DELETE FROM $wpdb->options WHERE option_id IN ($dupe_ids)");
760 * Execute changes made in WordPress 2.0.
764 function upgrade_160() {
765 global $wpdb, $wp_current_db_version;
767 populate_roles_160();
769 $users = $wpdb->get_results("SELECT * FROM $wpdb->users");
770 foreach ( $users as $user ) :
771 if ( !empty( $user->user_firstname ) )
772 update_user_meta( $user->ID, 'first_name', wp_slash($user->user_firstname) );
773 if ( !empty( $user->user_lastname ) )
774 update_user_meta( $user->ID, 'last_name', wp_slash($user->user_lastname) );
775 if ( !empty( $user->user_nickname ) )
776 update_user_meta( $user->ID, 'nickname', wp_slash($user->user_nickname) );
777 if ( !empty( $user->user_level ) )
778 update_user_meta( $user->ID, $wpdb->prefix . 'user_level', $user->user_level );
779 if ( !empty( $user->user_icq ) )
780 update_user_meta( $user->ID, 'icq', wp_slash($user->user_icq) );
781 if ( !empty( $user->user_aim ) )
782 update_user_meta( $user->ID, 'aim', wp_slash($user->user_aim) );
783 if ( !empty( $user->user_msn ) )
784 update_user_meta( $user->ID, 'msn', wp_slash($user->user_msn) );
785 if ( !empty( $user->user_yim ) )
786 update_user_meta( $user->ID, 'yim', wp_slash($user->user_icq) );
787 if ( !empty( $user->user_description ) )
788 update_user_meta( $user->ID, 'description', wp_slash($user->user_description) );
790 if ( isset( $user->user_idmode ) ):
791 $idmode = $user->user_idmode;
792 if ($idmode == 'nickname') $id = $user->user_nickname;
793 if ($idmode == 'login') $id = $user->user_login;
794 if ($idmode == 'firstname') $id = $user->user_firstname;
795 if ($idmode == 'lastname') $id = $user->user_lastname;
796 if ($idmode == 'namefl') $id = $user->user_firstname.' '.$user->user_lastname;
797 if ($idmode == 'namelf') $id = $user->user_lastname.' '.$user->user_firstname;
798 if (!$idmode) $id = $user->user_nickname;
799 $wpdb->update( $wpdb->users, array('display_name' => $id), array('ID' => $user->ID) );
802 // FIXME: RESET_CAPS is temporary code to reset roles and caps if flag is set.
803 $caps = get_user_meta( $user->ID, $wpdb->prefix . 'capabilities');
804 if ( empty($caps) || defined('RESET_CAPS') ) {
805 $level = get_user_meta($user->ID, $wpdb->prefix . 'user_level', true);
806 $role = translate_level_to_role($level);
807 update_user_meta( $user->ID, $wpdb->prefix . 'capabilities', array($role => true) );
811 $old_user_fields = array( 'user_firstname', 'user_lastname', 'user_icq', 'user_aim', 'user_msn', 'user_yim', 'user_idmode', 'user_ip', 'user_domain', 'user_browser', 'user_description', 'user_nickname', 'user_level' );
812 $wpdb->hide_errors();
813 foreach ( $old_user_fields as $old )
814 $wpdb->query("ALTER TABLE $wpdb->users DROP $old");
815 $wpdb->show_errors();
817 // Populate comment_count field of posts table.
818 $comments = $wpdb->get_results( "SELECT comment_post_ID, COUNT(*) as c FROM $wpdb->comments WHERE comment_approved = '1' GROUP BY comment_post_ID" );
819 if ( is_array( $comments ) )
820 foreach ($comments as $comment)
821 $wpdb->update( $wpdb->posts, array('comment_count' => $comment->c), array('ID' => $comment->comment_post_ID) );
824 * Some alpha versions used a post status of object instead of attachment
825 * and put the mime type in post_type instead of post_mime_type.
827 if ( $wp_current_db_version > 2541 && $wp_current_db_version <= 3091 ) {
828 $objects = $wpdb->get_results("SELECT ID, post_type FROM $wpdb->posts WHERE post_status = 'object'");
829 foreach ($objects as $object) {
830 $wpdb->update( $wpdb->posts, array( 'post_status' => 'attachment',
831 'post_mime_type' => $object->post_type,
833 array( 'ID' => $object->ID ) );
835 $meta = get_post_meta($object->ID, 'imagedata', true);
836 if ( ! empty($meta['file']) )
837 update_attached_file( $object->ID, $meta['file'] );
843 * Execute changes made in WordPress 2.1.
847 function upgrade_210() {
848 global $wpdb, $wp_current_db_version;
850 if ( $wp_current_db_version < 3506 ) {
851 // Update status and type.
852 $posts = $wpdb->get_results("SELECT ID, post_status FROM $wpdb->posts");
854 if ( ! empty($posts) ) foreach ($posts as $post) {
855 $status = $post->post_status;
858 if ( 'static' == $status ) {
861 } elseif ( 'attachment' == $status ) {
863 $type = 'attachment';
866 $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET post_status = %s, post_type = %s WHERE ID = %d", $status, $type, $post->ID) );
870 if ( $wp_current_db_version < 3845 ) {
871 populate_roles_210();
874 if ( $wp_current_db_version < 3531 ) {
875 // Give future posts a post_status of future.
876 $now = gmdate('Y-m-d H:i:59');
877 $wpdb->query ("UPDATE $wpdb->posts SET post_status = 'future' WHERE post_status = 'publish' AND post_date_gmt > '$now'");
879 $posts = $wpdb->get_results("SELECT ID, post_date FROM $wpdb->posts WHERE post_status ='future'");
880 if ( !empty($posts) )
881 foreach ( $posts as $post )
882 wp_schedule_single_event(mysql2date('U', $post->post_date, false), 'publish_future_post', array($post->ID));
887 * Execute changes made in WordPress 2.3.
891 function upgrade_230() {
892 global $wp_current_db_version, $wpdb;
894 if ( $wp_current_db_version < 5200 ) {
895 populate_roles_230();
898 // Convert categories to terms.
901 $categories = $wpdb->get_results("SELECT * FROM $wpdb->categories ORDER BY cat_ID");
902 foreach ($categories as $category) {
903 $term_id = (int) $category->cat_ID;
904 $name = $category->cat_name;
905 $description = $category->category_description;
906 $slug = $category->category_nicename;
907 $parent = $category->category_parent;
910 // Associate terms with the same slug in a term group and make slugs unique.
911 if ( $exists = $wpdb->get_results( $wpdb->prepare("SELECT term_id, term_group FROM $wpdb->terms WHERE slug = %s", $slug) ) ) {
912 $term_group = $exists[0]->term_group;
913 $id = $exists[0]->term_id;
916 $alt_slug = $slug . "-$num";
918 $slug_check = $wpdb->get_var( $wpdb->prepare("SELECT slug FROM $wpdb->terms WHERE slug = %s", $alt_slug) );
919 } while ( $slug_check );
923 if ( empty( $term_group ) ) {
924 $term_group = $wpdb->get_var("SELECT MAX(term_group) FROM $wpdb->terms GROUP BY term_group") + 1;
925 $wpdb->query( $wpdb->prepare("UPDATE $wpdb->terms SET term_group = %d WHERE term_id = %d", $term_group, $id) );
929 $wpdb->query( $wpdb->prepare("INSERT INTO $wpdb->terms (term_id, name, slug, term_group) VALUES
930 (%d, %s, %s, %d)", $term_id, $name, $slug, $term_group) );
933 if ( !empty($category->category_count) ) {
934 $count = (int) $category->category_count;
935 $taxonomy = 'category';
936 $wpdb->query( $wpdb->prepare("INSERT INTO $wpdb->term_taxonomy (term_id, taxonomy, description, parent, count) VALUES ( %d, %s, %s, %d, %d)", $term_id, $taxonomy, $description, $parent, $count) );
937 $tt_ids[$term_id][$taxonomy] = (int) $wpdb->insert_id;
940 if ( !empty($category->link_count) ) {
941 $count = (int) $category->link_count;
942 $taxonomy = 'link_category';
943 $wpdb->query( $wpdb->prepare("INSERT INTO $wpdb->term_taxonomy (term_id, taxonomy, description, parent, count) VALUES ( %d, %s, %s, %d, %d)", $term_id, $taxonomy, $description, $parent, $count) );
944 $tt_ids[$term_id][$taxonomy] = (int) $wpdb->insert_id;
947 if ( !empty($category->tag_count) ) {
949 $count = (int) $category->tag_count;
950 $taxonomy = 'post_tag';
951 $wpdb->insert( $wpdb->term_taxonomy, compact('term_id', 'taxonomy', 'description', 'parent', 'count') );
952 $tt_ids[$term_id][$taxonomy] = (int) $wpdb->insert_id;
955 if ( empty($count) ) {
957 $taxonomy = 'category';
958 $wpdb->insert( $wpdb->term_taxonomy, compact('term_id', 'taxonomy', 'description', 'parent', 'count') );
959 $tt_ids[$term_id][$taxonomy] = (int) $wpdb->insert_id;
963 $select = 'post_id, category_id';
965 $select .= ', rel_type';
967 $posts = $wpdb->get_results("SELECT $select FROM $wpdb->post2cat GROUP BY post_id, category_id");
968 foreach ( $posts as $post ) {
969 $post_id = (int) $post->post_id;
970 $term_id = (int) $post->category_id;
971 $taxonomy = 'category';
972 if ( !empty($post->rel_type) && 'tag' == $post->rel_type)
974 $tt_id = $tt_ids[$term_id][$taxonomy];
978 $wpdb->insert( $wpdb->term_relationships, array('object_id' => $post_id, 'term_taxonomy_id' => $tt_id) );
981 // < 3570 we used linkcategories. >= 3570 we used categories and link2cat.
982 if ( $wp_current_db_version < 3570 ) {
984 * Create link_category terms for link categories. Create a map of link
985 * cat IDs to link_category terms.
987 $link_cat_id_map = array();
988 $default_link_cat = 0;
990 $link_cats = $wpdb->get_results("SELECT cat_id, cat_name FROM " . $wpdb->prefix . 'linkcategories');
991 foreach ( $link_cats as $category) {
992 $cat_id = (int) $category->cat_id;
994 $name = wp_slash($category->cat_name);
995 $slug = sanitize_title($name);
998 // Associate terms with the same slug in a term group and make slugs unique.
999 if ( $exists = $wpdb->get_results( $wpdb->prepare("SELECT term_id, term_group FROM $wpdb->terms WHERE slug = %s", $slug) ) ) {
1000 $term_group = $exists[0]->term_group;
1001 $term_id = $exists[0]->term_id;
1004 if ( empty($term_id) ) {
1005 $wpdb->insert( $wpdb->terms, compact('name', 'slug', 'term_group') );
1006 $term_id = (int) $wpdb->insert_id;
1009 $link_cat_id_map[$cat_id] = $term_id;
1010 $default_link_cat = $term_id;
1012 $wpdb->insert( $wpdb->term_taxonomy, array('term_id' => $term_id, 'taxonomy' => 'link_category', 'description' => '', 'parent' => 0, 'count' => 0) );
1013 $tt_ids[$term_id] = (int) $wpdb->insert_id;
1016 // Associate links to cats.
1017 $links = $wpdb->get_results("SELECT link_id, link_category FROM $wpdb->links");
1018 if ( !empty($links) ) foreach ( $links as $link ) {
1019 if ( 0 == $link->link_category )
1021 if ( ! isset($link_cat_id_map[$link->link_category]) )
1023 $term_id = $link_cat_id_map[$link->link_category];
1024 $tt_id = $tt_ids[$term_id];
1025 if ( empty($tt_id) )
1028 $wpdb->insert( $wpdb->term_relationships, array('object_id' => $link->link_id, 'term_taxonomy_id' => $tt_id) );
1031 // Set default to the last category we grabbed during the upgrade loop.
1032 update_option('default_link_category', $default_link_cat);
1034 $links = $wpdb->get_results("SELECT link_id, category_id FROM $wpdb->link2cat GROUP BY link_id, category_id");
1035 foreach ( $links as $link ) {
1036 $link_id = (int) $link->link_id;
1037 $term_id = (int) $link->category_id;
1038 $taxonomy = 'link_category';
1039 $tt_id = $tt_ids[$term_id][$taxonomy];
1040 if ( empty($tt_id) )
1042 $wpdb->insert( $wpdb->term_relationships, array('object_id' => $link_id, 'term_taxonomy_id' => $tt_id) );
1046 if ( $wp_current_db_version < 4772 ) {
1047 // Obsolete linkcategories table
1048 $wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'linkcategories');
1051 // Recalculate all counts
1052 $terms = $wpdb->get_results("SELECT term_taxonomy_id, taxonomy FROM $wpdb->term_taxonomy");
1053 foreach ( (array) $terms as $term ) {
1054 if ( ('post_tag' == $term->taxonomy) || ('category' == $term->taxonomy) )
1055 $count = $wpdb->get_var( $wpdb->prepare("SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts WHERE $wpdb->posts.ID = $wpdb->term_relationships.object_id AND post_status = 'publish' AND post_type = 'post' AND term_taxonomy_id = %d", $term->term_taxonomy_id) );
1057 $count = $wpdb->get_var( $wpdb->prepare("SELECT COUNT(*) FROM $wpdb->term_relationships WHERE term_taxonomy_id = %d", $term->term_taxonomy_id) );
1058 $wpdb->update( $wpdb->term_taxonomy, array('count' => $count), array('term_taxonomy_id' => $term->term_taxonomy_id) );
1063 * Remove old options from the database.
1067 function upgrade_230_options_table() {
1069 $old_options_fields = array( 'option_can_override', 'option_type', 'option_width', 'option_height', 'option_description', 'option_admin_level' );
1070 $wpdb->hide_errors();
1071 foreach ( $old_options_fields as $old )
1072 $wpdb->query("ALTER TABLE $wpdb->options DROP $old");
1073 $wpdb->show_errors();
1077 * Remove old categories, link2cat, and post2cat database tables.
1081 function upgrade_230_old_tables() {
1083 $wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'categories');
1084 $wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'link2cat');
1085 $wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'post2cat');
1089 * Upgrade old slugs made in version 2.2.
1093 function upgrade_old_slugs() {
1094 // Upgrade people who were using the Redirect Old Slugs plugin.
1096 $wpdb->query("UPDATE $wpdb->postmeta SET meta_key = '_wp_old_slug' WHERE meta_key = 'old_slug'");
1100 * Execute changes made in WordPress 2.5.0.
1104 function upgrade_250() {
1105 global $wp_current_db_version;
1107 if ( $wp_current_db_version < 6689 ) {
1108 populate_roles_250();
1114 * Execute changes made in WordPress 2.5.2.
1118 function upgrade_252() {
1121 $wpdb->query("UPDATE $wpdb->users SET user_activation_key = ''");
1125 * Execute changes made in WordPress 2.6.
1129 function upgrade_260() {
1130 global $wp_current_db_version;
1132 if ( $wp_current_db_version < 8000 )
1133 populate_roles_260();
1137 * Execute changes made in WordPress 2.7.
1141 function upgrade_270() {
1142 global $wpdb, $wp_current_db_version;
1144 if ( $wp_current_db_version < 8980 )
1145 populate_roles_270();
1147 // Update post_date for unpublished posts with empty timestamp
1148 if ( $wp_current_db_version < 8921 )
1149 $wpdb->query( "UPDATE $wpdb->posts SET post_date = post_modified WHERE post_date = '0000-00-00 00:00:00'" );
1153 * Execute changes made in WordPress 2.8.
1157 function upgrade_280() {
1158 global $wp_current_db_version, $wpdb;
1160 if ( $wp_current_db_version < 10360 )
1161 populate_roles_280();
1162 if ( is_multisite() ) {
1164 while( $rows = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options ORDER BY option_id LIMIT $start, 20" ) ) {
1165 foreach( $rows as $row ) {
1166 $value = $row->option_value;
1167 if ( !@unserialize( $value ) )
1168 $value = stripslashes( $value );
1169 if ( $value !== $row->option_value ) {
1170 update_option( $row->option_name, $value );
1175 refresh_blog_details( $wpdb->blogid );
1180 * Execute changes made in WordPress 2.9.
1184 function upgrade_290() {
1185 global $wp_current_db_version;
1187 if ( $wp_current_db_version < 11958 ) {
1188 // Previously, setting depth to 1 would redundantly disable threading, but now 2 is the minimum depth to avoid confusion
1189 if ( get_option( 'thread_comments_depth' ) == '1' ) {
1190 update_option( 'thread_comments_depth', 2 );
1191 update_option( 'thread_comments', 0 );
1197 * Execute changes made in WordPress 3.0.
1201 function upgrade_300() {
1202 global $wp_current_db_version, $wpdb;
1204 if ( $wp_current_db_version < 15093 )
1205 populate_roles_300();
1207 if ( $wp_current_db_version < 14139 && is_multisite() && is_main_site() && ! defined( 'MULTISITE' ) && get_site_option( 'siteurl' ) === false )
1208 add_site_option( 'siteurl', '' );
1210 // 3.0 screen options key name changes.
1211 if ( is_main_site() && !defined('DO_NOT_UPGRADE_GLOBAL_TABLES') ) {
1212 $sql = "DELETE FROM $wpdb->usermeta
1213 WHERE meta_key LIKE %s
1219 OR meta_key = 'manageedittagscolumnshidden'
1220 OR meta_key = 'managecategoriescolumnshidden'
1221 OR meta_key = 'manageedit-tagscolumnshidden'
1222 OR meta_key = 'manageeditcolumnshidden'
1223 OR meta_key = 'categories_per_page'
1224 OR meta_key = 'edit_tags_per_page'";
1225 $prefix = $wpdb->esc_like( $wpdb->base_prefix );
1226 $wpdb->query( $wpdb->prepare( $sql,
1227 $prefix . '%' . $wpdb->esc_like( 'meta-box-hidden' ) . '%',
1228 $prefix . '%' . $wpdb->esc_like( 'closedpostboxes' ) . '%',
1229 $prefix . '%' . $wpdb->esc_like( 'manage-' ) . '%' . $wpdb->esc_like( '-columns-hidden' ) . '%',
1230 $prefix . '%' . $wpdb->esc_like( 'meta-box-order' ) . '%',
1231 $prefix . '%' . $wpdb->esc_like( 'metaboxorder' ) . '%',
1232 $prefix . '%' . $wpdb->esc_like( 'screen_layout' ) . '%'
1239 * Execute changes made in WordPress 3.3.
1243 function upgrade_330() {
1244 global $wp_current_db_version, $wpdb, $wp_registered_widgets, $sidebars_widgets;
1246 if ( $wp_current_db_version < 19061 && is_main_site() && ! defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
1247 $wpdb->query( "DELETE FROM $wpdb->usermeta WHERE meta_key IN ('show_admin_bar_admin', 'plugins_last_view')" );
1250 if ( $wp_current_db_version >= 11548 )
1253 $sidebars_widgets = get_option( 'sidebars_widgets', array() );
1254 $_sidebars_widgets = array();
1256 if ( isset($sidebars_widgets['wp_inactive_widgets']) || empty($sidebars_widgets) )
1257 $sidebars_widgets['array_version'] = 3;
1258 elseif ( !isset($sidebars_widgets['array_version']) )
1259 $sidebars_widgets['array_version'] = 1;
1261 switch ( $sidebars_widgets['array_version'] ) {
1263 foreach ( (array) $sidebars_widgets as $index => $sidebar )
1264 if ( is_array($sidebar) )
1265 foreach ( (array) $sidebar as $i => $name ) {
1266 $id = strtolower($name);
1267 if ( isset($wp_registered_widgets[$id]) ) {
1268 $_sidebars_widgets[$index][$i] = $id;
1271 $id = sanitize_title($name);
1272 if ( isset($wp_registered_widgets[$id]) ) {
1273 $_sidebars_widgets[$index][$i] = $id;
1279 foreach ( $wp_registered_widgets as $widget_id => $widget ) {
1280 if ( strtolower($widget['name']) == strtolower($name) ) {
1281 $_sidebars_widgets[$index][$i] = $widget['id'];
1284 } elseif ( sanitize_title($widget['name']) == sanitize_title($name) ) {
1285 $_sidebars_widgets[$index][$i] = $widget['id'];
1294 unset($_sidebars_widgets[$index][$i]);
1296 $_sidebars_widgets['array_version'] = 2;
1297 $sidebars_widgets = $_sidebars_widgets;
1298 unset($_sidebars_widgets);
1301 $sidebars_widgets = retrieve_widgets();
1302 $sidebars_widgets['array_version'] = 3;
1303 update_option( 'sidebars_widgets', $sidebars_widgets );
1308 * Execute changes made in WordPress 3.4.
1312 function upgrade_340() {
1313 global $wp_current_db_version, $wpdb;
1315 if ( $wp_current_db_version < 19798 ) {
1316 $wpdb->hide_errors();
1317 $wpdb->query( "ALTER TABLE $wpdb->options DROP COLUMN blog_id" );
1318 $wpdb->show_errors();
1321 if ( $wp_current_db_version < 19799 ) {
1322 $wpdb->hide_errors();
1323 $wpdb->query("ALTER TABLE $wpdb->comments DROP INDEX comment_approved");
1324 $wpdb->show_errors();
1327 if ( $wp_current_db_version < 20022 && is_main_site() && ! defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
1328 $wpdb->query( "DELETE FROM $wpdb->usermeta WHERE meta_key = 'themes_last_view'" );
1331 if ( $wp_current_db_version < 20080 ) {
1332 if ( 'yes' == $wpdb->get_var( "SELECT autoload FROM $wpdb->options WHERE option_name = 'uninstall_plugins'" ) ) {
1333 $uninstall_plugins = get_option( 'uninstall_plugins' );
1334 delete_option( 'uninstall_plugins' );
1335 add_option( 'uninstall_plugins', $uninstall_plugins, null, 'no' );
1341 * Execute changes made in WordPress 3.5.
1345 function upgrade_350() {
1346 global $wp_current_db_version, $wpdb;
1348 if ( $wp_current_db_version < 22006 && $wpdb->get_var( "SELECT link_id FROM $wpdb->links LIMIT 1" ) )
1349 update_option( 'link_manager_enabled', 1 ); // Previously set to 0 by populate_options()
1351 if ( $wp_current_db_version < 21811 && is_main_site() && ! defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
1352 $meta_keys = array();
1353 foreach ( array_merge( get_post_types(), get_taxonomies() ) as $name ) {
1354 if ( false !== strpos( $name, '-' ) )
1355 $meta_keys[] = 'edit_' . str_replace( '-', '_', $name ) . '_per_page';
1358 $meta_keys = implode( "', '", $meta_keys );
1359 $wpdb->query( "DELETE FROM $wpdb->usermeta WHERE meta_key IN ('$meta_keys')" );
1363 if ( $wp_current_db_version < 22422 && $term = get_term_by( 'slug', 'post-format-standard', 'post_format' ) )
1364 wp_delete_term( $term->term_id, 'post_format' );
1368 * Execute changes made in WordPress 3.7.
1372 function upgrade_370() {
1373 global $wp_current_db_version;
1374 if ( $wp_current_db_version < 25824 )
1375 wp_clear_scheduled_hook( 'wp_auto_updates_maybe_update' );
1379 * Execute changes made in WordPress 3.7.2.
1384 function upgrade_372() {
1385 global $wp_current_db_version;
1386 if ( $wp_current_db_version < 26148 )
1387 wp_clear_scheduled_hook( 'wp_maybe_auto_update' );
1391 * Execute changes made in WordPress 3.8.0.
1395 function upgrade_380() {
1396 global $wp_current_db_version;
1397 if ( $wp_current_db_version < 26691 ) {
1398 deactivate_plugins( array( 'mp6/mp6.php' ), true );
1403 * Execute changes made in WordPress 4.0.0.
1407 function upgrade_400() {
1408 global $wp_current_db_version;
1409 if ( $wp_current_db_version < 29630 ) {
1410 if ( ! is_multisite() && false === get_option( 'WPLANG' ) ) {
1411 if ( defined( 'WPLANG' ) && ( '' !== WPLANG ) && in_array( WPLANG, get_available_languages() ) ) {
1412 update_option( 'WPLANG', WPLANG );
1414 update_option( 'WPLANG', '' );
1421 * Execute changes made in WordPress 4.2.0.
1425 function upgrade_420() {
1429 * Execute changes made in WordPress 4.2.1.
1433 function upgrade_421() {
1437 * Execute changes made in WordPress 4.2.2.
1441 function upgrade_422() {
1442 global $wp_current_db_version, $wpdb;
1444 if ( $wp_current_db_version < 31534 ) {
1445 $content_length = $wpdb->get_col_length( $wpdb->comments, 'comment_content' );
1447 if ( is_wp_error( $content_length ) ) {
1451 if ( false === $content_length ) {
1452 $content_length = array(
1456 } elseif ( ! is_array( $content_length ) ) {
1457 $length = (int) $content_length > 0 ? (int) $content_length : 65535;
1458 $content_length = array(
1464 if ( 'byte' !== $content_length['type'] || 0 === $content_length['length'] ) {
1465 // Sites with malformed DB schemas are on their own.
1469 $allowed_length = intval( $content_length['length'] ) - 10;
1471 $comments = $wpdb->get_results(
1472 "SELECT `comment_ID` FROM `{$wpdb->comments}`
1473 WHERE `comment_date_gmt` > '2015-04-26'
1474 AND LENGTH( `comment_content` ) >= {$allowed_length}
1475 AND ( `comment_content` LIKE '%<%' OR `comment_content` LIKE '%>%' )"
1478 foreach ( $comments as $comment ) {
1479 wp_delete_comment( $comment->comment_ID, true );
1485 * Execute changes made in WordPress 4.2.0.
1489 function upgrade_423() {
1490 global $wp_current_db_version, $wpdb;
1492 if ( $wp_current_db_version < 31536 && $wpdb->charset === 'utf8mb4' ) {
1493 if ( is_multisite() ) {
1494 $tables = $wpdb->tables( 'blog' );
1496 $tables = $wpdb->tables( 'all' );
1497 if ( defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
1498 $global_tables = $wpdb->tables( 'global' );
1499 $tables = array_diff_assoc( $tables, $global_tables );
1503 foreach ( $tables as $table ) {
1504 maybe_convert_table_to_utf8mb4( $table );
1510 * Executes network-level upgrade routines.
1514 function upgrade_network() {
1515 global $wp_current_db_version, $wpdb;
1518 if ( is_main_network() ) {
1520 * Deletes all expired transients. The multi-table delete syntax is used
1521 * to delete the transient record from table a, and the corresponding
1522 * transient_timeout record from table b.
1525 $sql = "DELETE a, b FROM $wpdb->sitemeta a, $wpdb->sitemeta b
1526 WHERE a.meta_key LIKE %s
1527 AND a.meta_key NOT LIKE %s
1528 AND b.meta_key = CONCAT( '_site_transient_timeout_', SUBSTRING( a.meta_key, 17 ) )
1529 AND b.meta_value < %d";
1530 $wpdb->query( $wpdb->prepare( $sql, $wpdb->esc_like( '_site_transient_' ) . '%', $wpdb->esc_like ( '_site_transient_timeout_' ) . '%', $time ) );
1534 if ( $wp_current_db_version < 11549 ) {
1535 $wpmu_sitewide_plugins = get_site_option( 'wpmu_sitewide_plugins' );
1536 $active_sitewide_plugins = get_site_option( 'active_sitewide_plugins' );
1537 if ( $wpmu_sitewide_plugins ) {
1538 if ( !$active_sitewide_plugins )
1539 $sitewide_plugins = (array) $wpmu_sitewide_plugins;
1541 $sitewide_plugins = array_merge( (array) $active_sitewide_plugins, (array) $wpmu_sitewide_plugins );
1543 update_site_option( 'active_sitewide_plugins', $sitewide_plugins );
1545 delete_site_option( 'wpmu_sitewide_plugins' );
1546 delete_site_option( 'deactivated_sitewide_plugins' );
1549 while( $rows = $wpdb->get_results( "SELECT meta_key, meta_value FROM {$wpdb->sitemeta} ORDER BY meta_id LIMIT $start, 20" ) ) {
1550 foreach( $rows as $row ) {
1551 $value = $row->meta_value;
1552 if ( !@unserialize( $value ) )
1553 $value = stripslashes( $value );
1554 if ( $value !== $row->meta_value ) {
1555 update_site_option( $row->meta_key, $value );
1563 if ( $wp_current_db_version < 13576 )
1564 update_site_option( 'global_terms_enabled', '1' );
1567 if ( $wp_current_db_version < 19390 )
1568 update_site_option( 'initial_db_version', $wp_current_db_version );
1570 if ( $wp_current_db_version < 19470 ) {
1571 if ( false === get_site_option( 'active_sitewide_plugins' ) )
1572 update_site_option( 'active_sitewide_plugins', array() );
1576 if ( $wp_current_db_version < 20148 ) {
1577 // 'allowedthemes' keys things by stylesheet. 'allowed_themes' keyed things by name.
1578 $allowedthemes = get_site_option( 'allowedthemes' );
1579 $allowed_themes = get_site_option( 'allowed_themes' );
1580 if ( false === $allowedthemes && is_array( $allowed_themes ) && $allowed_themes ) {
1581 $converted = array();
1582 $themes = wp_get_themes();
1583 foreach ( $themes as $stylesheet => $theme_data ) {
1584 if ( isset( $allowed_themes[ $theme_data->get('Name') ] ) )
1585 $converted[ $stylesheet ] = true;
1587 update_site_option( 'allowedthemes', $converted );
1588 delete_site_option( 'allowed_themes' );
1593 if ( $wp_current_db_version < 21823 )
1594 update_site_option( 'ms_files_rewriting', '1' );
1597 if ( $wp_current_db_version < 24448 ) {
1598 $illegal_names = get_site_option( 'illegal_names' );
1599 if ( is_array( $illegal_names ) && count( $illegal_names ) === 1 ) {
1600 $illegal_name = reset( $illegal_names );
1601 $illegal_names = explode( ' ', $illegal_name );
1602 update_site_option( 'illegal_names', $illegal_names );
1607 if ( $wp_current_db_version < 31351 && $wpdb->charset === 'utf8mb4' ) {
1608 if ( ! defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
1609 $wpdb->query( "ALTER TABLE $wpdb->usermeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
1610 $wpdb->query( "ALTER TABLE $wpdb->site DROP INDEX domain, ADD INDEX domain(domain(140),path(51))" );
1611 $wpdb->query( "ALTER TABLE $wpdb->sitemeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
1612 $wpdb->query( "ALTER TABLE $wpdb->signups DROP INDEX domain_path, ADD INDEX domain_path(domain(140),path(51))" );
1614 $tables = $wpdb->tables( 'global' );
1616 foreach ( $tables as $table ) {
1617 maybe_convert_table_to_utf8mb4( $table );
1623 if ( $wp_current_db_version < 31535 && 'utf8mb4' === $wpdb->charset ) {
1624 if ( ! defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
1626 $indexes = $wpdb->get_results( "SHOW INDEXES FROM $wpdb->signups" );
1627 foreach( $indexes as $index ) {
1628 if ( 'domain_path' == $index->Key_name && 'domain' == $index->Column_name && 140 != $index->Sub_part ) {
1635 $wpdb->query( "ALTER TABLE $wpdb->signups DROP INDEX domain_path, ADD INDEX domain_path(domain(140),path(51))" );
1641 if ( $wp_current_db_version < 31536 && $wpdb->charset === 'utf8mb4' ) {
1642 if ( ! defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
1643 $tables = $wpdb->tables( 'global' );
1645 foreach ( $tables as $table ) {
1646 maybe_convert_table_to_utf8mb4( $table );
1653 // General functions we use to actually do stuff
1657 * Creates a table in the database if it doesn't already exist.
1659 * This method checks for an existing database and creates a new one if it's not
1660 * already present. It doesn't rely on MySQL's "IF NOT EXISTS" statement, but chooses
1661 * to query all tables first and then run the SQL statement creating the table.
1665 * @param string $table_name Database table name to create.
1666 * @param string $create_ddl SQL statement to create table.
1667 * @return bool If table already exists or was created by function.
1669 function maybe_create_table($table_name, $create_ddl) {
1672 $query = $wpdb->prepare( "SHOW TABLES LIKE %s", $wpdb->esc_like( $table_name ) );
1674 if ( $wpdb->get_var( $query ) == $table_name ) {
1678 // Didn't find it try to create it..
1679 $wpdb->query($create_ddl);
1681 // We cannot directly tell that whether this succeeded!
1682 if ( $wpdb->get_var( $query ) == $table_name ) {
1689 * Drops a specified index from a table.
1693 * @param string $table Database table name.
1694 * @param string $index Index name to drop.
1695 * @return bool True, when finished.
1697 function drop_index($table, $index) {
1699 $wpdb->hide_errors();
1700 $wpdb->query("ALTER TABLE `$table` DROP INDEX `$index`");
1701 // Now we need to take out all the extra ones we may have created
1702 for ($i = 0; $i < 25; $i++) {
1703 $wpdb->query("ALTER TABLE `$table` DROP INDEX `{$index}_$i`");
1705 $wpdb->show_errors();
1710 * Adds an index to a specified table.
1714 * @param string $table Database table name.
1715 * @param string $index Database table index column.
1716 * @return bool True, when done with execution.
1718 function add_clean_index($table, $index) {
1720 drop_index($table, $index);
1721 $wpdb->query("ALTER TABLE `$table` ADD INDEX ( `$index` )");
1726 * Adds column to a database table if it doesn't already exist.
1730 * @param string $table_name The table name to modify.
1731 * @param string $column_name The column name to add to the table.
1732 * @param string $create_ddl The SQL statement used to add the column.
1733 * @return True if already exists or on successful completion, false on error.
1735 function maybe_add_column($table_name, $column_name, $create_ddl) {
1737 foreach ($wpdb->get_col("DESC $table_name", 0) as $column ) {
1738 if ($column == $column_name) {
1743 // Didn't find it try to create it.
1744 $wpdb->query($create_ddl);
1746 // We cannot directly tell that whether this succeeded!
1747 foreach ($wpdb->get_col("DESC $table_name", 0) as $column ) {
1748 if ($column == $column_name) {
1756 * If a table only contains utf8 or utf8mb4 columns, convert it to utf8mb4.
1760 * @param string $table The table to convert.
1761 * @return bool true if the table was converted, false if it wasn't.
1763 function maybe_convert_table_to_utf8mb4( $table ) {
1766 $results = $wpdb->get_results( "SHOW FULL COLUMNS FROM `$table`" );
1771 foreach ( $results as $column ) {
1772 if ( $column->Collation ) {
1773 list( $charset ) = explode( '_', $column->Collation );
1774 $charset = strtolower( $charset );
1775 if ( 'utf8' !== $charset && 'utf8mb4' !== $charset ) {
1776 // Don't upgrade tables that have non-utf8 columns.
1782 $table_details = $wpdb->get_row( "SHOW TABLE STATUS LIKE '$table'" );
1783 if ( ! $table_details ) {
1787 list( $table_charset ) = explode( '_', $table_details->Collation );
1788 $table_charset = strtolower( $table_charset );
1789 if ( 'utf8mb4' === $table_charset ) {
1793 return $wpdb->query( "ALTER TABLE $table CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci" );
1797 * Retrieve all options as it was for 1.2.
1801 * @return stdClass List of options.
1803 function get_alloptions_110() {
1805 $all_options = new stdClass;
1806 if ( $options = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options" ) ) {
1807 foreach ( $options as $option ) {
1808 if ( 'siteurl' == $option->option_name || 'home' == $option->option_name || 'category_base' == $option->option_name )
1809 $option->option_value = untrailingslashit( $option->option_value );
1810 $all_options->{$option->option_name} = stripslashes( $option->option_value );
1813 return $all_options;
1817 * Utility version of get_option that is private to install/upgrade.
1823 * @param string $setting Option name.
1826 function __get_option($setting) {
1829 if ( $setting == 'home' && defined( 'WP_HOME' ) )
1830 return untrailingslashit( WP_HOME );
1832 if ( $setting == 'siteurl' && defined( 'WP_SITEURL' ) )
1833 return untrailingslashit( WP_SITEURL );
1835 $option = $wpdb->get_var( $wpdb->prepare("SELECT option_value FROM $wpdb->options WHERE option_name = %s", $setting ) );
1837 if ( 'home' == $setting && '' == $option )
1838 return __get_option( 'siteurl' );
1840 if ( 'siteurl' == $setting || 'home' == $setting || 'category_base' == $setting || 'tag_base' == $setting )
1841 $option = untrailingslashit( $option );
1843 return maybe_unserialize( $option );
1847 * Filters for content to remove unnecessary slashes.
1851 * @param string $content The content to modify.
1852 * @return string The de-slashed content.
1854 function deslash($content) {
1855 // Note: \\\ inside a regex denotes a single backslash.
1858 * Replace one or more backslashes followed by a single quote with
1861 $content = preg_replace("/\\\+'/", "'", $content);
1864 * Replace one or more backslashes followed by a double quote with
1867 $content = preg_replace('/\\\+"/', '"', $content);
1869 // Replace one or more backslashes with one backslash.
1870 $content = preg_replace("/\\\+/", "\\", $content);
1876 * Modifies the database based on specified SQL statements.
1878 * Useful for creating new tables and updating existing tables to a new structure.
1882 * @param string|array $queries Optional. The query to run. Can be multiple queries
1883 * in an array, or a string of queries separated by
1884 * semicolons. Default empty.
1885 * @param bool $execute Optional. Whether or not to execute the query right away.
1887 * @return array Strings containing the results of the various update queries.
1889 function dbDelta( $queries = '', $execute = true ) {
1892 if ( in_array( $queries, array( '', 'all', 'blog', 'global', 'ms_global' ), true ) )
1893 $queries = wp_get_db_schema( $queries );
1895 // Separate individual queries into an array
1896 if ( !is_array($queries) ) {
1897 $queries = explode( ';', $queries );
1898 $queries = array_filter( $queries );
1902 * Filter the dbDelta SQL queries.
1906 * @param array $queries An array of dbDelta SQL queries.
1908 $queries = apply_filters( 'dbdelta_queries', $queries );
1910 $cqueries = array(); // Creation Queries
1911 $iqueries = array(); // Insertion Queries
1912 $for_update = array();
1914 // Create a tablename index for an array ($cqueries) of queries
1915 foreach($queries as $qry) {
1916 if ( preg_match( "|CREATE TABLE ([^ ]*)|", $qry, $matches ) ) {
1917 $cqueries[ trim( $matches[1], '`' ) ] = $qry;
1918 $for_update[$matches[1]] = 'Created table '.$matches[1];
1919 } elseif ( preg_match( "|CREATE DATABASE ([^ ]*)|", $qry, $matches ) ) {
1920 array_unshift( $cqueries, $qry );
1921 } elseif ( preg_match( "|INSERT INTO ([^ ]*)|", $qry, $matches ) ) {
1923 } elseif ( preg_match( "|UPDATE ([^ ]*)|", $qry, $matches ) ) {
1926 // Unrecognized query type
1931 * Filter the dbDelta SQL queries for creating tables and/or databases.
1933 * Queries filterable via this hook contain "CREATE TABLE" or "CREATE DATABASE".
1937 * @param array $cqueries An array of dbDelta create SQL queries.
1939 $cqueries = apply_filters( 'dbdelta_create_queries', $cqueries );
1942 * Filter the dbDelta SQL queries for inserting or updating.
1944 * Queries filterable via this hook contain "INSERT INTO" or "UPDATE".
1948 * @param array $iqueries An array of dbDelta insert or update SQL queries.
1950 $iqueries = apply_filters( 'dbdelta_insert_queries', $iqueries );
1952 $global_tables = $wpdb->tables( 'global' );
1953 foreach ( $cqueries as $table => $qry ) {
1954 // Upgrade global tables only for the main site. Don't upgrade at all if DO_NOT_UPGRADE_GLOBAL_TABLES is defined.
1955 if ( in_array( $table, $global_tables ) && ( !is_main_site() || defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) ) {
1956 unset( $cqueries[ $table ], $for_update[ $table ] );
1960 // Fetch the table column structure from the database
1961 $suppress = $wpdb->suppress_errors();
1962 $tablefields = $wpdb->get_results("DESCRIBE {$table};");
1963 $wpdb->suppress_errors( $suppress );
1965 if ( ! $tablefields )
1968 // Clear the field and index arrays.
1969 $cfields = $indices = array();
1971 // Get all of the field names in the query from between the parentheses.
1972 preg_match("|\((.*)\)|ms", $qry, $match2);
1973 $qryline = trim($match2[1]);
1975 // Separate field lines into an array.
1976 $flds = explode("\n", $qryline);
1978 // todo: Remove this?
1979 //echo "<hr/><pre>\n".print_r(strtolower($table), true).":\n".print_r($cqueries, true)."</pre><hr/>";
1981 // For every field line specified in the query.
1982 foreach ($flds as $fld) {
1984 // Extract the field name.
1985 preg_match("|^([^ ]*)|", trim($fld), $fvals);
1986 $fieldname = trim( $fvals[1], '`' );
1988 // Verify the found field name.
1990 switch (strtolower($fieldname)) {
1997 $validfield = false;
1998 $indices[] = trim(trim($fld), ", \n");
2003 // If it's a valid field, add it to the field array.
2005 $cfields[strtolower($fieldname)] = trim($fld, ", \n");
2009 // For every field in the table.
2010 foreach ($tablefields as $tablefield) {
2012 // If the table field exists in the field array ...
2013 if (array_key_exists(strtolower($tablefield->Field), $cfields)) {
2015 // Get the field type from the query.
2016 preg_match("|".$tablefield->Field." ([^ ]*( unsigned)?)|i", $cfields[strtolower($tablefield->Field)], $matches);
2017 $fieldtype = $matches[1];
2019 // Is actual field type different from the field type in query?
2020 if ($tablefield->Type != $fieldtype) {
2021 // Add a query to change the column type
2022 $cqueries[] = "ALTER TABLE {$table} CHANGE COLUMN {$tablefield->Field} " . $cfields[strtolower($tablefield->Field)];
2023 $for_update[$table.'.'.$tablefield->Field] = "Changed type of {$table}.{$tablefield->Field} from {$tablefield->Type} to {$fieldtype}";
2026 // Get the default value from the array
2027 // todo: Remove this?
2028 //echo "{$cfields[strtolower($tablefield->Field)]}<br>";
2029 if (preg_match("| DEFAULT '(.*?)'|i", $cfields[strtolower($tablefield->Field)], $matches)) {
2030 $default_value = $matches[1];
2031 if ($tablefield->Default != $default_value) {
2032 // Add a query to change the column's default value
2033 $cqueries[] = "ALTER TABLE {$table} ALTER COLUMN {$tablefield->Field} SET DEFAULT '{$default_value}'";
2034 $for_update[$table.'.'.$tablefield->Field] = "Changed default value of {$table}.{$tablefield->Field} from {$tablefield->Default} to {$default_value}";
2038 // Remove the field from the array (so it's not added).
2039 unset($cfields[strtolower($tablefield->Field)]);
2041 // This field exists in the table, but not in the creation queries?
2045 // For every remaining field specified for the table.
2046 foreach ($cfields as $fieldname => $fielddef) {
2047 // Push a query line into $cqueries that adds the field to that table.
2048 $cqueries[] = "ALTER TABLE {$table} ADD COLUMN $fielddef";
2049 $for_update[$table.'.'.$fieldname] = 'Added column '.$table.'.'.$fieldname;
2052 // Index stuff goes here. Fetch the table index structure from the database.
2053 $tableindices = $wpdb->get_results("SHOW INDEX FROM {$table};");
2055 if ($tableindices) {
2056 // Clear the index array.
2057 $index_ary = array();
2059 // For every index in the table.
2060 foreach ($tableindices as $tableindex) {
2062 // Add the index to the index data array.
2063 $keyname = $tableindex->Key_name;
2064 $index_ary[$keyname]['columns'][] = array('fieldname' => $tableindex->Column_name, 'subpart' => $tableindex->Sub_part);
2065 $index_ary[$keyname]['unique'] = ($tableindex->Non_unique == 0)?true:false;
2068 // For each actual index in the index array.
2069 foreach ($index_ary as $index_name => $index_data) {
2071 // Build a create string to compare to the query.
2073 if ($index_name == 'PRIMARY') {
2074 $index_string .= 'PRIMARY ';
2075 } elseif ( $index_data['unique'] ) {
2076 $index_string .= 'UNIQUE ';
2078 $index_string .= 'KEY ';
2079 if ($index_name != 'PRIMARY') {
2080 $index_string .= $index_name;
2082 $index_columns = '';
2084 // For each column in the index.
2085 foreach ($index_data['columns'] as $column_data) {
2086 if ($index_columns != '') $index_columns .= ',';
2088 // Add the field to the column list string.
2089 $index_columns .= $column_data['fieldname'];
2090 if ($column_data['subpart'] != '') {
2091 $index_columns .= '('.$column_data['subpart'].')';
2095 // The alternative index string doesn't care about subparts
2096 $alt_index_columns = preg_replace( '/\([^)]*\)/', '', $index_columns );
2098 // Add the column list to the index create string.
2099 $index_strings = array(
2100 "$index_string ($index_columns)",
2101 "$index_string ($alt_index_columns)",
2104 foreach( $index_strings as $index_string ) {
2105 if ( ! ( ( $aindex = array_search( $index_string, $indices ) ) === false ) ) {
2106 unset( $indices[ $aindex ] );
2108 // todo: Remove this?
2109 //echo "<pre style=\"border:1px solid #ccc;margin-top:5px;\">{$table}:<br />Found index:".$index_string."</pre>\n";
2112 // todo: Remove this?
2113 //else echo "<pre style=\"border:1px solid #ccc;margin-top:5px;\">{$table}:<br /><b>Did not find index:</b>".$index_string."<br />".print_r($indices, true)."</pre>\n";
2117 // For every remaining index specified for the table.
2118 foreach ( (array) $indices as $index ) {
2119 // Push a query line into $cqueries that adds the index to that table.
2120 $cqueries[] = "ALTER TABLE {$table} ADD $index";
2121 $for_update[] = 'Added index ' . $table . ' ' . $index;
2124 // Remove the original table creation query from processing.
2125 unset( $cqueries[ $table ], $for_update[ $table ] );
2128 $allqueries = array_merge($cqueries, $iqueries);
2130 foreach ($allqueries as $query) {
2131 // todo: Remove this?
2132 //echo "<pre style=\"border:1px solid #ccc;margin-top:5px;\">".print_r($query, true)."</pre>\n";
2133 $wpdb->query($query);
2141 * Updates the database tables to a new schema.
2143 * By default, updates all the tables to use the latest defined schema, but can also
2144 * be used to update a specific set of tables in wp_get_db_schema().
2150 * @param string $tables Optional. Which set of tables to update. Default is 'all'.
2152 function make_db_current( $tables = 'all' ) {
2153 $alterations = dbDelta( $tables );
2155 foreach($alterations as $alteration) echo "<li>$alteration</li>\n";
2160 * Updates the database tables to a new schema, but without displaying results.
2162 * By default, updates all the tables to use the latest defined schema, but can
2163 * also be used to update a specific set of tables in wp_get_db_schema().
2167 * @see make_db_current()
2169 * @param string $tables Optional. Which set of tables to update. Default is 'all'.
2171 function make_db_current_silent( $tables = 'all' ) {
2176 * Creates a site theme from an existing theme.
2178 * {@internal Missing Long Description}}
2182 * @param string $theme_name The name of the theme.
2183 * @param string $template The directory name of the theme.
2186 function make_site_theme_from_oldschool($theme_name, $template) {
2187 $home_path = get_home_path();
2188 $site_dir = WP_CONTENT_DIR . "/themes/$template";
2190 if (! file_exists("$home_path/index.php"))
2194 * Copy files from the old locations to the site theme.
2195 * TODO: This does not copy arbitrary include dependencies. Only the standard WP files are copied.
2197 $files = array('index.php' => 'index.php', 'wp-layout.css' => 'style.css', 'wp-comments.php' => 'comments.php', 'wp-comments-popup.php' => 'comments-popup.php');
2199 foreach ($files as $oldfile => $newfile) {
2200 if ($oldfile == 'index.php')
2201 $oldpath = $home_path;
2205 // Check to make sure it's not a new index.
2206 if ($oldfile == 'index.php') {
2207 $index = implode('', file("$oldpath/$oldfile"));
2208 if (strpos($index, 'WP_USE_THEMES') !== false) {
2209 if (! @copy(WP_CONTENT_DIR . '/themes/' . WP_DEFAULT_THEME . '/index.php', "$site_dir/$newfile"))
2212 // Don't copy anything.
2217 if (! @copy("$oldpath/$oldfile", "$site_dir/$newfile"))
2220 chmod("$site_dir/$newfile", 0777);
2222 // Update the blog header include in each file.
2223 $lines = explode("\n", implode('', file("$site_dir/$newfile")));
2225 $f = fopen("$site_dir/$newfile", 'w');
2227 foreach ($lines as $line) {
2228 if (preg_match('/require.*wp-blog-header/', $line))
2229 $line = '//' . $line;
2231 // Update stylesheet references.
2232 $line = str_replace("<?php echo __get_option('siteurl'); ?>/wp-layout.css", "<?php bloginfo('stylesheet_url'); ?>", $line);
2234 // Update comments template inclusion.
2235 $line = str_replace("<?php include(ABSPATH . 'wp-comments.php'); ?>", "<?php comments_template(); ?>", $line);
2237 fwrite($f, "{$line}\n");
2243 // Add a theme header.
2244 $header = "/*\nTheme Name: $theme_name\nTheme URI: " . __get_option('siteurl') . "\nDescription: A theme automatically created by the update.\nVersion: 1.0\nAuthor: Moi\n*/\n";
2246 $stylelines = file_get_contents("$site_dir/style.css");
2248 $f = fopen("$site_dir/style.css", 'w');
2250 fwrite($f, $header);
2251 fwrite($f, $stylelines);
2259 * Creates a site theme from the default theme.
2261 * {@internal Missing Long Description}}
2265 * @param string $theme_name The name of the theme.
2266 * @param string $template The directory name of the theme.
2267 * @return null|false
2269 function make_site_theme_from_default($theme_name, $template) {
2270 $site_dir = WP_CONTENT_DIR . "/themes/$template";
2271 $default_dir = WP_CONTENT_DIR . '/themes/' . WP_DEFAULT_THEME;
2273 // Copy files from the default theme to the site theme.
2274 //$files = array('index.php', 'comments.php', 'comments-popup.php', 'footer.php', 'header.php', 'sidebar.php', 'style.css');
2276 $theme_dir = @ opendir($default_dir);
2278 while(($theme_file = readdir( $theme_dir )) !== false) {
2279 if (is_dir("$default_dir/$theme_file"))
2281 if (! @copy("$default_dir/$theme_file", "$site_dir/$theme_file"))
2283 chmod("$site_dir/$theme_file", 0777);
2286 @closedir($theme_dir);
2288 // Rewrite the theme header.
2289 $stylelines = explode("\n", implode('', file("$site_dir/style.css")));
2291 $f = fopen("$site_dir/style.css", 'w');
2293 foreach ($stylelines as $line) {
2294 if (strpos($line, 'Theme Name:') !== false) $line = 'Theme Name: ' . $theme_name;
2295 elseif (strpos($line, 'Theme URI:') !== false) $line = 'Theme URI: ' . __get_option('url');
2296 elseif (strpos($line, 'Description:') !== false) $line = 'Description: Your theme.';
2297 elseif (strpos($line, 'Version:') !== false) $line = 'Version: 1';
2298 elseif (strpos($line, 'Author:') !== false) $line = 'Author: You';
2299 fwrite($f, $line . "\n");
2306 if (! mkdir("$site_dir/images", 0777)) {
2310 $images_dir = @ opendir("$default_dir/images");
2312 while(($image = readdir($images_dir)) !== false) {
2313 if (is_dir("$default_dir/images/$image"))
2315 if (! @copy("$default_dir/images/$image", "$site_dir/images/$image"))
2317 chmod("$site_dir/images/$image", 0777);
2320 @closedir($images_dir);
2324 * Creates a site theme.
2326 * {@internal Missing Long Description}}
2330 * @return false|string
2332 function make_site_theme() {
2333 // Name the theme after the blog.
2334 $theme_name = __get_option('blogname');
2335 $template = sanitize_title($theme_name);
2336 $site_dir = WP_CONTENT_DIR . "/themes/$template";
2338 // If the theme already exists, nothing to do.
2339 if ( is_dir($site_dir)) {
2343 // We must be able to write to the themes dir.
2344 if (! is_writable(WP_CONTENT_DIR . "/themes")) {
2349 if (! mkdir($site_dir, 0777)) {
2353 if (file_exists(ABSPATH . 'wp-layout.css')) {
2354 if (! make_site_theme_from_oldschool($theme_name, $template)) {
2355 // TODO: rm -rf the site theme directory.
2359 if (! make_site_theme_from_default($theme_name, $template))
2360 // TODO: rm -rf the site theme directory.
2364 // Make the new site theme active.
2365 $current_template = __get_option('template');
2366 if ($current_template == WP_DEFAULT_THEME) {
2367 update_option('template', $template);
2368 update_option('stylesheet', $template);
2374 * Translate user level to user role name.
2378 * @param int $level User level.
2379 * @return string User role name.
2381 function translate_level_to_role($level) {
2386 return 'administrator';
2396 return 'contributor';
2398 return 'subscriber';
2403 * Checks the version of the installed MySQL binary.
2407 function wp_check_mysql_version() {
2409 $result = $wpdb->check_database_version();
2410 if ( is_wp_error( $result ) )
2411 die( $result->get_error_message() );
2415 * Disables the Automattic widgets plugin, which was merged into core.
2419 function maybe_disable_automattic_widgets() {
2420 $plugins = __get_option( 'active_plugins' );
2422 foreach ( (array) $plugins as $plugin ) {
2423 if ( basename( $plugin ) == 'widgets.php' ) {
2424 array_splice( $plugins, array_search( $plugin, $plugins ), 1 );
2425 update_option( 'active_plugins', $plugins );
2432 * Disables the Link Manager on upgrade if, at the time of upgrade, no links exist in the DB.
2436 function maybe_disable_link_manager() {
2437 global $wp_current_db_version, $wpdb;
2439 if ( $wp_current_db_version >= 22006 && get_option( 'link_manager_enabled' ) && ! $wpdb->get_var( "SELECT link_id FROM $wpdb->links LIMIT 1" ) )
2440 update_option( 'link_manager_enabled', 0 );
2444 * Runs before the schema is upgraded.
2448 function pre_schema_upgrade() {
2449 global $wp_current_db_version, $wpdb;
2451 // Upgrade versions prior to 2.9
2452 if ( $wp_current_db_version < 11557 ) {
2453 // Delete duplicate options. Keep the option with the highest option_id.
2454 $wpdb->query("DELETE o1 FROM $wpdb->options AS o1 JOIN $wpdb->options AS o2 USING (`option_name`) WHERE o2.option_id > o1.option_id");
2456 // Drop the old primary key and add the new.
2457 $wpdb->query("ALTER TABLE $wpdb->options DROP PRIMARY KEY, ADD PRIMARY KEY(option_id)");
2459 // Drop the old option_name index. dbDelta() doesn't do the drop.
2460 $wpdb->query("ALTER TABLE $wpdb->options DROP INDEX option_name");
2463 // Multisite schema upgrades.
2464 if ( $wp_current_db_version < 25448 && is_multisite() && ! defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) && is_main_network() ) {
2466 // Upgrade verions prior to 3.7
2467 if ( $wp_current_db_version < 25179 ) {
2468 // New primary key for signups.
2469 $wpdb->query( "ALTER TABLE $wpdb->signups ADD signup_id BIGINT(20) NOT NULL AUTO_INCREMENT PRIMARY KEY FIRST" );
2470 $wpdb->query( "ALTER TABLE $wpdb->signups DROP INDEX domain" );
2473 if ( $wp_current_db_version < 25448 ) {
2474 // Convert archived from enum to tinyint.
2475 $wpdb->query( "ALTER TABLE $wpdb->blogs CHANGE COLUMN archived archived varchar(1) NOT NULL default '0'" );
2476 $wpdb->query( "ALTER TABLE $wpdb->blogs CHANGE COLUMN archived archived tinyint(2) NOT NULL default 0" );
2480 // Upgrade versions prior to 4.2.
2481 if ( $wp_current_db_version < 31351 ) {
2482 if ( ! is_multisite() && ! defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
2483 $wpdb->query( "ALTER TABLE $wpdb->usermeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
2485 $wpdb->query( "ALTER TABLE $wpdb->terms DROP INDEX slug, ADD INDEX slug(slug(191))" );
2486 $wpdb->query( "ALTER TABLE $wpdb->terms DROP INDEX name, ADD INDEX name(name(191))" );
2487 $wpdb->query( "ALTER TABLE $wpdb->commentmeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
2488 $wpdb->query( "ALTER TABLE $wpdb->postmeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
2489 $wpdb->query( "ALTER TABLE $wpdb->posts DROP INDEX post_name, ADD INDEX post_name(post_name(191))" );
2494 * Install global terms.
2499 if ( !function_exists( 'install_global_terms' ) ) :
2500 function install_global_terms() {
2501 global $wpdb, $charset_collate;
2503 CREATE TABLE $wpdb->sitecategories (
2504 cat_ID bigint(20) NOT NULL auto_increment,
2505 cat_name varchar(55) NOT NULL default '',
2506 category_nicename varchar(200) NOT NULL default '',
2507 last_updated timestamp NOT NULL,
2508 PRIMARY KEY (cat_ID),
2509 KEY category_nicename (category_nicename),
2510 KEY last_updated (last_updated)
2513 // now create tables
2514 dbDelta( $ms_queries );