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 < 31351 )
530 maybe_disable_link_manager();
532 maybe_disable_automattic_widgets();
534 update_option( 'db_version', $wp_db_version );
535 update_option( 'db_upgraded', true );
539 * Execute changes made in WordPress 1.0.
543 function upgrade_100() {
546 // Get the title and ID of every post, post_name to check if it already has a value
547 $posts = $wpdb->get_results("SELECT ID, post_title, post_name FROM $wpdb->posts WHERE post_name = ''");
549 foreach($posts as $post) {
550 if ('' == $post->post_name) {
551 $newtitle = sanitize_title($post->post_title);
552 $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET post_name = %s WHERE ID = %d", $newtitle, $post->ID) );
557 $categories = $wpdb->get_results("SELECT cat_ID, cat_name, category_nicename FROM $wpdb->categories");
558 foreach ($categories as $category) {
559 if ('' == $category->category_nicename) {
560 $newtitle = sanitize_title($category->cat_name);
561 $wpdb->update( $wpdb->categories, array('category_nicename' => $newtitle), array('cat_ID' => $category->cat_ID) );
565 $sql = "UPDATE $wpdb->options
566 SET option_value = REPLACE(option_value, 'wp-links/links-images/', 'wp-images/links/')
567 WHERE option_name LIKE %s
568 AND option_value LIKE %s";
569 $wpdb->query( $wpdb->prepare( $sql, $wpdb->esc_like( 'links_rating_image' ) . '%', $wpdb->esc_like( 'wp-links/links-images/' ) . '%' ) );
571 $done_ids = $wpdb->get_results("SELECT DISTINCT post_id FROM $wpdb->post2cat");
573 $done_posts = array();
574 foreach ($done_ids as $done_id) :
575 $done_posts[] = $done_id->post_id;
577 $catwhere = ' AND ID NOT IN (' . implode(',', $done_posts) . ')';
582 $allposts = $wpdb->get_results("SELECT ID, post_category FROM $wpdb->posts WHERE post_category != '0' $catwhere");
584 foreach ($allposts as $post) {
585 // Check to see if it's already been imported
586 $cat = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->post2cat WHERE post_id = %d AND category_id = %d", $post->ID, $post->post_category) );
587 if (!$cat && 0 != $post->post_category) { // If there's no result
588 $wpdb->insert( $wpdb->post2cat, array('post_id' => $post->ID, 'category_id' => $post->post_category) );
595 * Execute changes made in WordPress 1.0.1.
599 function upgrade_101() {
602 // Clean up indices, add a few
603 add_clean_index($wpdb->posts, 'post_name');
604 add_clean_index($wpdb->posts, 'post_status');
605 add_clean_index($wpdb->categories, 'category_nicename');
606 add_clean_index($wpdb->comments, 'comment_approved');
607 add_clean_index($wpdb->comments, 'comment_post_ID');
608 add_clean_index($wpdb->links , 'link_category');
609 add_clean_index($wpdb->links , 'link_visible');
613 * Execute changes made in WordPress 1.2.
617 function upgrade_110() {
620 // Set user_nicename.
621 $users = $wpdb->get_results("SELECT ID, user_nickname, user_nicename FROM $wpdb->users");
622 foreach ($users as $user) {
623 if ('' == $user->user_nicename) {
624 $newname = sanitize_title($user->user_nickname);
625 $wpdb->update( $wpdb->users, array('user_nicename' => $newname), array('ID' => $user->ID) );
629 $users = $wpdb->get_results("SELECT ID, user_pass from $wpdb->users");
630 foreach ($users as $row) {
631 if (!preg_match('/^[A-Fa-f0-9]{32}$/', $row->user_pass)) {
632 $wpdb->update( $wpdb->users, array('user_pass' => md5($row->user_pass)), array('ID' => $row->ID) );
636 // Get the GMT offset, we'll use that later on
637 $all_options = get_alloptions_110();
639 $time_difference = $all_options->time_difference;
641 $server_time = time()+date('Z');
642 $weblogger_time = $server_time + $time_difference * HOUR_IN_SECONDS;
645 $diff_gmt_server = ($gmt_time - $server_time) / HOUR_IN_SECONDS;
646 $diff_weblogger_server = ($weblogger_time - $server_time) / HOUR_IN_SECONDS;
647 $diff_gmt_weblogger = $diff_gmt_server - $diff_weblogger_server;
648 $gmt_offset = -$diff_gmt_weblogger;
650 // Add a gmt_offset option, with value $gmt_offset
651 add_option('gmt_offset', $gmt_offset);
653 // Check if we already set the GMT fields (if we did, then
654 // MAX(post_date_gmt) can't be '0000-00-00 00:00:00'
655 // <michel_v> I just slapped myself silly for not thinking about it earlier
656 $got_gmt_fields = ! ($wpdb->get_var("SELECT MAX(post_date_gmt) FROM $wpdb->posts") == '0000-00-00 00:00:00');
658 if (!$got_gmt_fields) {
660 // Add or subtract time to all dates, to get GMT dates
661 $add_hours = intval($diff_gmt_weblogger);
662 $add_minutes = intval(60 * ($diff_gmt_weblogger - $add_hours));
663 $wpdb->query("UPDATE $wpdb->posts SET post_date_gmt = DATE_ADD(post_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
664 $wpdb->query("UPDATE $wpdb->posts SET post_modified = post_date");
665 $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'");
666 $wpdb->query("UPDATE $wpdb->comments SET comment_date_gmt = DATE_ADD(comment_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
667 $wpdb->query("UPDATE $wpdb->users SET user_registered = DATE_ADD(user_registered, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
673 * Execute changes made in WordPress 1.5.
677 function upgrade_130() {
680 // Remove extraneous backslashes.
681 $posts = $wpdb->get_results("SELECT ID, post_title, post_content, post_excerpt, guid, post_date, post_name, post_status, post_author FROM $wpdb->posts");
683 foreach($posts as $post) {
684 $post_content = addslashes(deslash($post->post_content));
685 $post_title = addslashes(deslash($post->post_title));
686 $post_excerpt = addslashes(deslash($post->post_excerpt));
687 if ( empty($post->guid) )
688 $guid = get_permalink($post->ID);
692 $wpdb->update( $wpdb->posts, compact('post_title', 'post_content', 'post_excerpt', 'guid'), array('ID' => $post->ID) );
697 // Remove extraneous backslashes.
698 $comments = $wpdb->get_results("SELECT comment_ID, comment_author, comment_content FROM $wpdb->comments");
700 foreach($comments as $comment) {
701 $comment_content = deslash($comment->comment_content);
702 $comment_author = deslash($comment->comment_author);
704 $wpdb->update($wpdb->comments, compact('comment_content', 'comment_author'), array('comment_ID' => $comment->comment_ID) );
708 // Remove extraneous backslashes.
709 $links = $wpdb->get_results("SELECT link_id, link_name, link_description FROM $wpdb->links");
711 foreach($links as $link) {
712 $link_name = deslash($link->link_name);
713 $link_description = deslash($link->link_description);
715 $wpdb->update( $wpdb->links, compact('link_name', 'link_description'), array('link_id' => $link->link_id) );
719 $active_plugins = __get_option('active_plugins');
722 * If plugins are not stored in an array, they're stored in the old
723 * newline separated format. Convert to new format.
725 if ( !is_array( $active_plugins ) ) {
726 $active_plugins = explode("\n", trim($active_plugins));
727 update_option('active_plugins', $active_plugins);
731 $wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'optionvalues');
732 $wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'optiontypes');
733 $wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'optiongroups');
734 $wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'optiongroup_options');
736 // Update comments table to use comment_type
737 $wpdb->query("UPDATE $wpdb->comments SET comment_type='trackback', comment_content = REPLACE(comment_content, '<trackback />', '') WHERE comment_content LIKE '<trackback />%'");
738 $wpdb->query("UPDATE $wpdb->comments SET comment_type='pingback', comment_content = REPLACE(comment_content, '<pingback />', '') WHERE comment_content LIKE '<pingback />%'");
740 // Some versions have multiple duplicate option_name rows with the same values
741 $options = $wpdb->get_results("SELECT option_name, COUNT(option_name) AS dupes FROM `$wpdb->options` GROUP BY option_name");
742 foreach ( $options as $option ) {
743 if ( 1 != $option->dupes ) { // Could this be done in the query?
744 $limit = $option->dupes - 1;
745 $dupe_ids = $wpdb->get_col( $wpdb->prepare("SELECT option_id FROM $wpdb->options WHERE option_name = %s LIMIT %d", $option->option_name, $limit) );
747 $dupe_ids = join($dupe_ids, ',');
748 $wpdb->query("DELETE FROM $wpdb->options WHERE option_id IN ($dupe_ids)");
757 * Execute changes made in WordPress 2.0.
761 function upgrade_160() {
762 global $wpdb, $wp_current_db_version;
764 populate_roles_160();
766 $users = $wpdb->get_results("SELECT * FROM $wpdb->users");
767 foreach ( $users as $user ) :
768 if ( !empty( $user->user_firstname ) )
769 update_user_meta( $user->ID, 'first_name', wp_slash($user->user_firstname) );
770 if ( !empty( $user->user_lastname ) )
771 update_user_meta( $user->ID, 'last_name', wp_slash($user->user_lastname) );
772 if ( !empty( $user->user_nickname ) )
773 update_user_meta( $user->ID, 'nickname', wp_slash($user->user_nickname) );
774 if ( !empty( $user->user_level ) )
775 update_user_meta( $user->ID, $wpdb->prefix . 'user_level', $user->user_level );
776 if ( !empty( $user->user_icq ) )
777 update_user_meta( $user->ID, 'icq', wp_slash($user->user_icq) );
778 if ( !empty( $user->user_aim ) )
779 update_user_meta( $user->ID, 'aim', wp_slash($user->user_aim) );
780 if ( !empty( $user->user_msn ) )
781 update_user_meta( $user->ID, 'msn', wp_slash($user->user_msn) );
782 if ( !empty( $user->user_yim ) )
783 update_user_meta( $user->ID, 'yim', wp_slash($user->user_icq) );
784 if ( !empty( $user->user_description ) )
785 update_user_meta( $user->ID, 'description', wp_slash($user->user_description) );
787 if ( isset( $user->user_idmode ) ):
788 $idmode = $user->user_idmode;
789 if ($idmode == 'nickname') $id = $user->user_nickname;
790 if ($idmode == 'login') $id = $user->user_login;
791 if ($idmode == 'firstname') $id = $user->user_firstname;
792 if ($idmode == 'lastname') $id = $user->user_lastname;
793 if ($idmode == 'namefl') $id = $user->user_firstname.' '.$user->user_lastname;
794 if ($idmode == 'namelf') $id = $user->user_lastname.' '.$user->user_firstname;
795 if (!$idmode) $id = $user->user_nickname;
796 $wpdb->update( $wpdb->users, array('display_name' => $id), array('ID' => $user->ID) );
799 // FIXME: RESET_CAPS is temporary code to reset roles and caps if flag is set.
800 $caps = get_user_meta( $user->ID, $wpdb->prefix . 'capabilities');
801 if ( empty($caps) || defined('RESET_CAPS') ) {
802 $level = get_user_meta($user->ID, $wpdb->prefix . 'user_level', true);
803 $role = translate_level_to_role($level);
804 update_user_meta( $user->ID, $wpdb->prefix . 'capabilities', array($role => true) );
808 $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' );
809 $wpdb->hide_errors();
810 foreach ( $old_user_fields as $old )
811 $wpdb->query("ALTER TABLE $wpdb->users DROP $old");
812 $wpdb->show_errors();
814 // Populate comment_count field of posts table.
815 $comments = $wpdb->get_results( "SELECT comment_post_ID, COUNT(*) as c FROM $wpdb->comments WHERE comment_approved = '1' GROUP BY comment_post_ID" );
816 if ( is_array( $comments ) )
817 foreach ($comments as $comment)
818 $wpdb->update( $wpdb->posts, array('comment_count' => $comment->c), array('ID' => $comment->comment_post_ID) );
821 * Some alpha versions used a post status of object instead of attachment
822 * and put the mime type in post_type instead of post_mime_type.
824 if ( $wp_current_db_version > 2541 && $wp_current_db_version <= 3091 ) {
825 $objects = $wpdb->get_results("SELECT ID, post_type FROM $wpdb->posts WHERE post_status = 'object'");
826 foreach ($objects as $object) {
827 $wpdb->update( $wpdb->posts, array( 'post_status' => 'attachment',
828 'post_mime_type' => $object->post_type,
830 array( 'ID' => $object->ID ) );
832 $meta = get_post_meta($object->ID, 'imagedata', true);
833 if ( ! empty($meta['file']) )
834 update_attached_file( $object->ID, $meta['file'] );
840 * Execute changes made in WordPress 2.1.
844 function upgrade_210() {
845 global $wpdb, $wp_current_db_version;
847 if ( $wp_current_db_version < 3506 ) {
848 // Update status and type.
849 $posts = $wpdb->get_results("SELECT ID, post_status FROM $wpdb->posts");
851 if ( ! empty($posts) ) foreach ($posts as $post) {
852 $status = $post->post_status;
855 if ( 'static' == $status ) {
858 } elseif ( 'attachment' == $status ) {
860 $type = 'attachment';
863 $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET post_status = %s, post_type = %s WHERE ID = %d", $status, $type, $post->ID) );
867 if ( $wp_current_db_version < 3845 ) {
868 populate_roles_210();
871 if ( $wp_current_db_version < 3531 ) {
872 // Give future posts a post_status of future.
873 $now = gmdate('Y-m-d H:i:59');
874 $wpdb->query ("UPDATE $wpdb->posts SET post_status = 'future' WHERE post_status = 'publish' AND post_date_gmt > '$now'");
876 $posts = $wpdb->get_results("SELECT ID, post_date FROM $wpdb->posts WHERE post_status ='future'");
877 if ( !empty($posts) )
878 foreach ( $posts as $post )
879 wp_schedule_single_event(mysql2date('U', $post->post_date, false), 'publish_future_post', array($post->ID));
884 * Execute changes made in WordPress 2.3.
888 function upgrade_230() {
889 global $wp_current_db_version, $wpdb;
891 if ( $wp_current_db_version < 5200 ) {
892 populate_roles_230();
895 // Convert categories to terms.
898 $categories = $wpdb->get_results("SELECT * FROM $wpdb->categories ORDER BY cat_ID");
899 foreach ($categories as $category) {
900 $term_id = (int) $category->cat_ID;
901 $name = $category->cat_name;
902 $description = $category->category_description;
903 $slug = $category->category_nicename;
904 $parent = $category->category_parent;
907 // Associate terms with the same slug in a term group and make slugs unique.
908 if ( $exists = $wpdb->get_results( $wpdb->prepare("SELECT term_id, term_group FROM $wpdb->terms WHERE slug = %s", $slug) ) ) {
909 $term_group = $exists[0]->term_group;
910 $id = $exists[0]->term_id;
913 $alt_slug = $slug . "-$num";
915 $slug_check = $wpdb->get_var( $wpdb->prepare("SELECT slug FROM $wpdb->terms WHERE slug = %s", $alt_slug) );
916 } while ( $slug_check );
920 if ( empty( $term_group ) ) {
921 $term_group = $wpdb->get_var("SELECT MAX(term_group) FROM $wpdb->terms GROUP BY term_group") + 1;
922 $wpdb->query( $wpdb->prepare("UPDATE $wpdb->terms SET term_group = %d WHERE term_id = %d", $term_group, $id) );
926 $wpdb->query( $wpdb->prepare("INSERT INTO $wpdb->terms (term_id, name, slug, term_group) VALUES
927 (%d, %s, %s, %d)", $term_id, $name, $slug, $term_group) );
930 if ( !empty($category->category_count) ) {
931 $count = (int) $category->category_count;
932 $taxonomy = 'category';
933 $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) );
934 $tt_ids[$term_id][$taxonomy] = (int) $wpdb->insert_id;
937 if ( !empty($category->link_count) ) {
938 $count = (int) $category->link_count;
939 $taxonomy = 'link_category';
940 $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) );
941 $tt_ids[$term_id][$taxonomy] = (int) $wpdb->insert_id;
944 if ( !empty($category->tag_count) ) {
946 $count = (int) $category->tag_count;
947 $taxonomy = 'post_tag';
948 $wpdb->insert( $wpdb->term_taxonomy, compact('term_id', 'taxonomy', 'description', 'parent', 'count') );
949 $tt_ids[$term_id][$taxonomy] = (int) $wpdb->insert_id;
952 if ( empty($count) ) {
954 $taxonomy = 'category';
955 $wpdb->insert( $wpdb->term_taxonomy, compact('term_id', 'taxonomy', 'description', 'parent', 'count') );
956 $tt_ids[$term_id][$taxonomy] = (int) $wpdb->insert_id;
960 $select = 'post_id, category_id';
962 $select .= ', rel_type';
964 $posts = $wpdb->get_results("SELECT $select FROM $wpdb->post2cat GROUP BY post_id, category_id");
965 foreach ( $posts as $post ) {
966 $post_id = (int) $post->post_id;
967 $term_id = (int) $post->category_id;
968 $taxonomy = 'category';
969 if ( !empty($post->rel_type) && 'tag' == $post->rel_type)
971 $tt_id = $tt_ids[$term_id][$taxonomy];
975 $wpdb->insert( $wpdb->term_relationships, array('object_id' => $post_id, 'term_taxonomy_id' => $tt_id) );
978 // < 3570 we used linkcategories. >= 3570 we used categories and link2cat.
979 if ( $wp_current_db_version < 3570 ) {
981 * Create link_category terms for link categories. Create a map of link
982 * cat IDs to link_category terms.
984 $link_cat_id_map = array();
985 $default_link_cat = 0;
987 $link_cats = $wpdb->get_results("SELECT cat_id, cat_name FROM " . $wpdb->prefix . 'linkcategories');
988 foreach ( $link_cats as $category) {
989 $cat_id = (int) $category->cat_id;
991 $name = wp_slash($category->cat_name);
992 $slug = sanitize_title($name);
995 // Associate terms with the same slug in a term group and make slugs unique.
996 if ( $exists = $wpdb->get_results( $wpdb->prepare("SELECT term_id, term_group FROM $wpdb->terms WHERE slug = %s", $slug) ) ) {
997 $term_group = $exists[0]->term_group;
998 $term_id = $exists[0]->term_id;
1001 if ( empty($term_id) ) {
1002 $wpdb->insert( $wpdb->terms, compact('name', 'slug', 'term_group') );
1003 $term_id = (int) $wpdb->insert_id;
1006 $link_cat_id_map[$cat_id] = $term_id;
1007 $default_link_cat = $term_id;
1009 $wpdb->insert( $wpdb->term_taxonomy, array('term_id' => $term_id, 'taxonomy' => 'link_category', 'description' => '', 'parent' => 0, 'count' => 0) );
1010 $tt_ids[$term_id] = (int) $wpdb->insert_id;
1013 // Associate links to cats.
1014 $links = $wpdb->get_results("SELECT link_id, link_category FROM $wpdb->links");
1015 if ( !empty($links) ) foreach ( $links as $link ) {
1016 if ( 0 == $link->link_category )
1018 if ( ! isset($link_cat_id_map[$link->link_category]) )
1020 $term_id = $link_cat_id_map[$link->link_category];
1021 $tt_id = $tt_ids[$term_id];
1022 if ( empty($tt_id) )
1025 $wpdb->insert( $wpdb->term_relationships, array('object_id' => $link->link_id, 'term_taxonomy_id' => $tt_id) );
1028 // Set default to the last category we grabbed during the upgrade loop.
1029 update_option('default_link_category', $default_link_cat);
1031 $links = $wpdb->get_results("SELECT link_id, category_id FROM $wpdb->link2cat GROUP BY link_id, category_id");
1032 foreach ( $links as $link ) {
1033 $link_id = (int) $link->link_id;
1034 $term_id = (int) $link->category_id;
1035 $taxonomy = 'link_category';
1036 $tt_id = $tt_ids[$term_id][$taxonomy];
1037 if ( empty($tt_id) )
1039 $wpdb->insert( $wpdb->term_relationships, array('object_id' => $link_id, 'term_taxonomy_id' => $tt_id) );
1043 if ( $wp_current_db_version < 4772 ) {
1044 // Obsolete linkcategories table
1045 $wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'linkcategories');
1048 // Recalculate all counts
1049 $terms = $wpdb->get_results("SELECT term_taxonomy_id, taxonomy FROM $wpdb->term_taxonomy");
1050 foreach ( (array) $terms as $term ) {
1051 if ( ('post_tag' == $term->taxonomy) || ('category' == $term->taxonomy) )
1052 $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) );
1054 $count = $wpdb->get_var( $wpdb->prepare("SELECT COUNT(*) FROM $wpdb->term_relationships WHERE term_taxonomy_id = %d", $term->term_taxonomy_id) );
1055 $wpdb->update( $wpdb->term_taxonomy, array('count' => $count), array('term_taxonomy_id' => $term->term_taxonomy_id) );
1060 * Remove old options from the database.
1064 function upgrade_230_options_table() {
1066 $old_options_fields = array( 'option_can_override', 'option_type', 'option_width', 'option_height', 'option_description', 'option_admin_level' );
1067 $wpdb->hide_errors();
1068 foreach ( $old_options_fields as $old )
1069 $wpdb->query("ALTER TABLE $wpdb->options DROP $old");
1070 $wpdb->show_errors();
1074 * Remove old categories, link2cat, and post2cat database tables.
1078 function upgrade_230_old_tables() {
1080 $wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'categories');
1081 $wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'link2cat');
1082 $wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'post2cat');
1086 * Upgrade old slugs made in version 2.2.
1090 function upgrade_old_slugs() {
1091 // Upgrade people who were using the Redirect Old Slugs plugin.
1093 $wpdb->query("UPDATE $wpdb->postmeta SET meta_key = '_wp_old_slug' WHERE meta_key = 'old_slug'");
1097 * Execute changes made in WordPress 2.5.0.
1101 function upgrade_250() {
1102 global $wp_current_db_version;
1104 if ( $wp_current_db_version < 6689 ) {
1105 populate_roles_250();
1111 * Execute changes made in WordPress 2.5.2.
1115 function upgrade_252() {
1118 $wpdb->query("UPDATE $wpdb->users SET user_activation_key = ''");
1122 * Execute changes made in WordPress 2.6.
1126 function upgrade_260() {
1127 global $wp_current_db_version;
1129 if ( $wp_current_db_version < 8000 )
1130 populate_roles_260();
1134 * Execute changes made in WordPress 2.7.
1138 function upgrade_270() {
1139 global $wpdb, $wp_current_db_version;
1141 if ( $wp_current_db_version < 8980 )
1142 populate_roles_270();
1144 // Update post_date for unpublished posts with empty timestamp
1145 if ( $wp_current_db_version < 8921 )
1146 $wpdb->query( "UPDATE $wpdb->posts SET post_date = post_modified WHERE post_date = '0000-00-00 00:00:00'" );
1150 * Execute changes made in WordPress 2.8.
1154 function upgrade_280() {
1155 global $wp_current_db_version, $wpdb;
1157 if ( $wp_current_db_version < 10360 )
1158 populate_roles_280();
1159 if ( is_multisite() ) {
1161 while( $rows = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options ORDER BY option_id LIMIT $start, 20" ) ) {
1162 foreach( $rows as $row ) {
1163 $value = $row->option_value;
1164 if ( !@unserialize( $value ) )
1165 $value = stripslashes( $value );
1166 if ( $value !== $row->option_value ) {
1167 update_option( $row->option_name, $value );
1172 refresh_blog_details( $wpdb->blogid );
1177 * Execute changes made in WordPress 2.9.
1181 function upgrade_290() {
1182 global $wp_current_db_version;
1184 if ( $wp_current_db_version < 11958 ) {
1185 // Previously, setting depth to 1 would redundantly disable threading, but now 2 is the minimum depth to avoid confusion
1186 if ( get_option( 'thread_comments_depth' ) == '1' ) {
1187 update_option( 'thread_comments_depth', 2 );
1188 update_option( 'thread_comments', 0 );
1194 * Execute changes made in WordPress 3.0.
1198 function upgrade_300() {
1199 global $wp_current_db_version, $wpdb;
1201 if ( $wp_current_db_version < 15093 )
1202 populate_roles_300();
1204 if ( $wp_current_db_version < 14139 && is_multisite() && is_main_site() && ! defined( 'MULTISITE' ) && get_site_option( 'siteurl' ) === false )
1205 add_site_option( 'siteurl', '' );
1207 // 3.0 screen options key name changes.
1208 if ( is_main_site() && !defined('DO_NOT_UPGRADE_GLOBAL_TABLES') ) {
1209 $sql = "DELETE FROM $wpdb->usermeta
1210 WHERE meta_key LIKE %s
1216 OR meta_key = 'manageedittagscolumnshidden'
1217 OR meta_key = 'managecategoriescolumnshidden'
1218 OR meta_key = 'manageedit-tagscolumnshidden'
1219 OR meta_key = 'manageeditcolumnshidden'
1220 OR meta_key = 'categories_per_page'
1221 OR meta_key = 'edit_tags_per_page'";
1222 $prefix = $wpdb->esc_like( $wpdb->base_prefix );
1223 $wpdb->query( $wpdb->prepare( $sql,
1224 $prefix . '%' . $wpdb->esc_like( 'meta-box-hidden' ) . '%',
1225 $prefix . '%' . $wpdb->esc_like( 'closedpostboxes' ) . '%',
1226 $prefix . '%' . $wpdb->esc_like( 'manage-' ) . '%' . $wpdb->esc_like( '-columns-hidden' ) . '%',
1227 $prefix . '%' . $wpdb->esc_like( 'meta-box-order' ) . '%',
1228 $prefix . '%' . $wpdb->esc_like( 'metaboxorder' ) . '%',
1229 $prefix . '%' . $wpdb->esc_like( 'screen_layout' ) . '%'
1236 * Execute changes made in WordPress 3.3.
1240 function upgrade_330() {
1241 global $wp_current_db_version, $wpdb, $wp_registered_widgets, $sidebars_widgets;
1243 if ( $wp_current_db_version < 19061 && is_main_site() && ! defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
1244 $wpdb->query( "DELETE FROM $wpdb->usermeta WHERE meta_key IN ('show_admin_bar_admin', 'plugins_last_view')" );
1247 if ( $wp_current_db_version >= 11548 )
1250 $sidebars_widgets = get_option( 'sidebars_widgets', array() );
1251 $_sidebars_widgets = array();
1253 if ( isset($sidebars_widgets['wp_inactive_widgets']) || empty($sidebars_widgets) )
1254 $sidebars_widgets['array_version'] = 3;
1255 elseif ( !isset($sidebars_widgets['array_version']) )
1256 $sidebars_widgets['array_version'] = 1;
1258 switch ( $sidebars_widgets['array_version'] ) {
1260 foreach ( (array) $sidebars_widgets as $index => $sidebar )
1261 if ( is_array($sidebar) )
1262 foreach ( (array) $sidebar as $i => $name ) {
1263 $id = strtolower($name);
1264 if ( isset($wp_registered_widgets[$id]) ) {
1265 $_sidebars_widgets[$index][$i] = $id;
1268 $id = sanitize_title($name);
1269 if ( isset($wp_registered_widgets[$id]) ) {
1270 $_sidebars_widgets[$index][$i] = $id;
1276 foreach ( $wp_registered_widgets as $widget_id => $widget ) {
1277 if ( strtolower($widget['name']) == strtolower($name) ) {
1278 $_sidebars_widgets[$index][$i] = $widget['id'];
1281 } elseif ( sanitize_title($widget['name']) == sanitize_title($name) ) {
1282 $_sidebars_widgets[$index][$i] = $widget['id'];
1291 unset($_sidebars_widgets[$index][$i]);
1293 $_sidebars_widgets['array_version'] = 2;
1294 $sidebars_widgets = $_sidebars_widgets;
1295 unset($_sidebars_widgets);
1298 $sidebars_widgets = retrieve_widgets();
1299 $sidebars_widgets['array_version'] = 3;
1300 update_option( 'sidebars_widgets', $sidebars_widgets );
1305 * Execute changes made in WordPress 3.4.
1309 function upgrade_340() {
1310 global $wp_current_db_version, $wpdb;
1312 if ( $wp_current_db_version < 19798 ) {
1313 $wpdb->hide_errors();
1314 $wpdb->query( "ALTER TABLE $wpdb->options DROP COLUMN blog_id" );
1315 $wpdb->show_errors();
1318 if ( $wp_current_db_version < 19799 ) {
1319 $wpdb->hide_errors();
1320 $wpdb->query("ALTER TABLE $wpdb->comments DROP INDEX comment_approved");
1321 $wpdb->show_errors();
1324 if ( $wp_current_db_version < 20022 && is_main_site() && ! defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
1325 $wpdb->query( "DELETE FROM $wpdb->usermeta WHERE meta_key = 'themes_last_view'" );
1328 if ( $wp_current_db_version < 20080 ) {
1329 if ( 'yes' == $wpdb->get_var( "SELECT autoload FROM $wpdb->options WHERE option_name = 'uninstall_plugins'" ) ) {
1330 $uninstall_plugins = get_option( 'uninstall_plugins' );
1331 delete_option( 'uninstall_plugins' );
1332 add_option( 'uninstall_plugins', $uninstall_plugins, null, 'no' );
1338 * Execute changes made in WordPress 3.5.
1342 function upgrade_350() {
1343 global $wp_current_db_version, $wpdb;
1345 if ( $wp_current_db_version < 22006 && $wpdb->get_var( "SELECT link_id FROM $wpdb->links LIMIT 1" ) )
1346 update_option( 'link_manager_enabled', 1 ); // Previously set to 0 by populate_options()
1348 if ( $wp_current_db_version < 21811 && is_main_site() && ! defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
1349 $meta_keys = array();
1350 foreach ( array_merge( get_post_types(), get_taxonomies() ) as $name ) {
1351 if ( false !== strpos( $name, '-' ) )
1352 $meta_keys[] = 'edit_' . str_replace( '-', '_', $name ) . '_per_page';
1355 $meta_keys = implode( "', '", $meta_keys );
1356 $wpdb->query( "DELETE FROM $wpdb->usermeta WHERE meta_key IN ('$meta_keys')" );
1360 if ( $wp_current_db_version < 22422 && $term = get_term_by( 'slug', 'post-format-standard', 'post_format' ) )
1361 wp_delete_term( $term->term_id, 'post_format' );
1365 * Execute changes made in WordPress 3.7.
1369 function upgrade_370() {
1370 global $wp_current_db_version;
1371 if ( $wp_current_db_version < 25824 )
1372 wp_clear_scheduled_hook( 'wp_auto_updates_maybe_update' );
1376 * Execute changes made in WordPress 3.7.2.
1381 function upgrade_372() {
1382 global $wp_current_db_version;
1383 if ( $wp_current_db_version < 26148 )
1384 wp_clear_scheduled_hook( 'wp_maybe_auto_update' );
1388 * Execute changes made in WordPress 3.8.0.
1392 function upgrade_380() {
1393 global $wp_current_db_version;
1394 if ( $wp_current_db_version < 26691 ) {
1395 deactivate_plugins( array( 'mp6/mp6.php' ), true );
1400 * Execute changes made in WordPress 4.0.0.
1404 function upgrade_400() {
1405 global $wp_current_db_version;
1406 if ( $wp_current_db_version < 29630 ) {
1407 if ( ! is_multisite() && false === get_option( 'WPLANG' ) ) {
1408 if ( defined( 'WPLANG' ) && ( '' !== WPLANG ) && in_array( WPLANG, get_available_languages() ) ) {
1409 update_option( 'WPLANG', WPLANG );
1411 update_option( 'WPLANG', '' );
1418 * Execute changes made in WordPress 4.2.0.
1422 function upgrade_420() {
1423 global $wp_current_db_version, $wpdb;
1425 if ( $wp_current_db_version < 31351 && $wpdb->charset === 'utf8mb4' ) {
1426 if ( is_multisite() ) {
1427 $tables = $wpdb->tables( 'blog' );
1429 $tables = $wpdb->tables( 'all' );
1432 foreach ( $tables as $table ) {
1433 maybe_convert_table_to_utf8mb4( $table );
1439 * Executes network-level upgrade routines.
1443 function upgrade_network() {
1444 global $wp_current_db_version, $wpdb;
1447 if ( is_main_network() ) {
1449 * Deletes all expired transients. The multi-table delete syntax is used
1450 * to delete the transient record from table a, and the corresponding
1451 * transient_timeout record from table b.
1454 $sql = "DELETE a, b FROM $wpdb->sitemeta a, $wpdb->sitemeta b
1455 WHERE a.meta_key LIKE %s
1456 AND a.meta_key NOT LIKE %s
1457 AND b.meta_key = CONCAT( '_site_transient_timeout_', SUBSTRING( a.meta_key, 17 ) )
1458 AND b.meta_value < %d";
1459 $wpdb->query( $wpdb->prepare( $sql, $wpdb->esc_like( '_site_transient_' ) . '%', $wpdb->esc_like ( '_site_transient_timeout_' ) . '%', $time ) );
1463 if ( $wp_current_db_version < 11549 ) {
1464 $wpmu_sitewide_plugins = get_site_option( 'wpmu_sitewide_plugins' );
1465 $active_sitewide_plugins = get_site_option( 'active_sitewide_plugins' );
1466 if ( $wpmu_sitewide_plugins ) {
1467 if ( !$active_sitewide_plugins )
1468 $sitewide_plugins = (array) $wpmu_sitewide_plugins;
1470 $sitewide_plugins = array_merge( (array) $active_sitewide_plugins, (array) $wpmu_sitewide_plugins );
1472 update_site_option( 'active_sitewide_plugins', $sitewide_plugins );
1474 delete_site_option( 'wpmu_sitewide_plugins' );
1475 delete_site_option( 'deactivated_sitewide_plugins' );
1478 while( $rows = $wpdb->get_results( "SELECT meta_key, meta_value FROM {$wpdb->sitemeta} ORDER BY meta_id LIMIT $start, 20" ) ) {
1479 foreach( $rows as $row ) {
1480 $value = $row->meta_value;
1481 if ( !@unserialize( $value ) )
1482 $value = stripslashes( $value );
1483 if ( $value !== $row->meta_value ) {
1484 update_site_option( $row->meta_key, $value );
1492 if ( $wp_current_db_version < 13576 )
1493 update_site_option( 'global_terms_enabled', '1' );
1496 if ( $wp_current_db_version < 19390 )
1497 update_site_option( 'initial_db_version', $wp_current_db_version );
1499 if ( $wp_current_db_version < 19470 ) {
1500 if ( false === get_site_option( 'active_sitewide_plugins' ) )
1501 update_site_option( 'active_sitewide_plugins', array() );
1505 if ( $wp_current_db_version < 20148 ) {
1506 // 'allowedthemes' keys things by stylesheet. 'allowed_themes' keyed things by name.
1507 $allowedthemes = get_site_option( 'allowedthemes' );
1508 $allowed_themes = get_site_option( 'allowed_themes' );
1509 if ( false === $allowedthemes && is_array( $allowed_themes ) && $allowed_themes ) {
1510 $converted = array();
1511 $themes = wp_get_themes();
1512 foreach ( $themes as $stylesheet => $theme_data ) {
1513 if ( isset( $allowed_themes[ $theme_data->get('Name') ] ) )
1514 $converted[ $stylesheet ] = true;
1516 update_site_option( 'allowedthemes', $converted );
1517 delete_site_option( 'allowed_themes' );
1522 if ( $wp_current_db_version < 21823 )
1523 update_site_option( 'ms_files_rewriting', '1' );
1526 if ( $wp_current_db_version < 24448 ) {
1527 $illegal_names = get_site_option( 'illegal_names' );
1528 if ( is_array( $illegal_names ) && count( $illegal_names ) === 1 ) {
1529 $illegal_name = reset( $illegal_names );
1530 $illegal_names = explode( ' ', $illegal_name );
1531 update_site_option( 'illegal_names', $illegal_names );
1536 if ( $wp_current_db_version < 31351 && $wpdb->charset === 'utf8mb4' ) {
1537 if ( ! ( defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) && DO_NOT_UPGRADE_GLOBAL_TABLES ) ) {
1538 $wpdb->query( "ALTER TABLE $wpdb->usermeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
1539 $wpdb->query( "ALTER TABLE $wpdb->site DROP INDEX domain, ADD INDEX domain(domain(140),path(51))" );
1540 $wpdb->query( "ALTER TABLE $wpdb->sitemeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
1541 $wpdb->query( "ALTER TABLE $wpdb->signups DROP INDEX domain, ADD INDEX domain(domain(140),path(51))" );
1543 $tables = $wpdb->tables( 'global' );
1545 foreach ( $tables as $table ) {
1546 maybe_convert_table_to_utf8mb4( $table );
1553 // General functions we use to actually do stuff
1557 * Creates a table in the database if it doesn't already exist.
1559 * This method checks for an existing database and creates a new one if it's not
1560 * already present. It doesn't rely on MySQL's "IF NOT EXISTS" statement, but chooses
1561 * to query all tables first and then run the SQL statement creating the table.
1565 * @param string $table_name Database table name to create.
1566 * @param string $create_ddl SQL statement to create table.
1567 * @return bool If table already exists or was created by function.
1569 function maybe_create_table($table_name, $create_ddl) {
1572 $query = $wpdb->prepare( "SHOW TABLES LIKE %s", $wpdb->esc_like( $table_name ) );
1574 if ( $wpdb->get_var( $query ) == $table_name ) {
1578 // Didn't find it try to create it..
1579 $wpdb->query($create_ddl);
1581 // We cannot directly tell that whether this succeeded!
1582 if ( $wpdb->get_var( $query ) == $table_name ) {
1589 * Drops a specified index from a table.
1593 * @param string $table Database table name.
1594 * @param string $index Index name to drop.
1595 * @return bool True, when finished.
1597 function drop_index($table, $index) {
1599 $wpdb->hide_errors();
1600 $wpdb->query("ALTER TABLE `$table` DROP INDEX `$index`");
1601 // Now we need to take out all the extra ones we may have created
1602 for ($i = 0; $i < 25; $i++) {
1603 $wpdb->query("ALTER TABLE `$table` DROP INDEX `{$index}_$i`");
1605 $wpdb->show_errors();
1610 * Adds an index to a specified table.
1614 * @param string $table Database table name.
1615 * @param string $index Database table index column.
1616 * @return bool True, when done with execution.
1618 function add_clean_index($table, $index) {
1620 drop_index($table, $index);
1621 $wpdb->query("ALTER TABLE `$table` ADD INDEX ( `$index` )");
1626 * Adds column to a database table if it doesn't already exist.
1630 * @param string $table_name The table name to modify.
1631 * @param string $column_name The column name to add to the table.
1632 * @param string $create_ddl The SQL statement used to add the column.
1633 * @return True if already exists or on successful completion, false on error.
1635 function maybe_add_column($table_name, $column_name, $create_ddl) {
1637 foreach ($wpdb->get_col("DESC $table_name", 0) as $column ) {
1638 if ($column == $column_name) {
1643 // Didn't find it try to create it.
1644 $wpdb->query($create_ddl);
1646 // We cannot directly tell that whether this succeeded!
1647 foreach ($wpdb->get_col("DESC $table_name", 0) as $column ) {
1648 if ($column == $column_name) {
1656 * If a table only contains utf8 or utf8mb4 columns, convert it to utf8mb4.
1660 * @param string $table The table to convert.
1661 * @return bool true if the table was converted, false if it wasn't.
1663 function maybe_convert_table_to_utf8mb4( $table ) {
1666 $results = $wpdb->get_results( "SHOW FULL COLUMNS FROM `$table`" );
1671 foreach ( $results as $column ) {
1672 if ( $column->Collation ) {
1673 list( $charset ) = explode( '_', $column->Collation );
1674 $charset = strtolower( $charset );
1675 if ( 'utf8' !== $charset && 'utf8mb4' !== $charset ) {
1676 // Don't upgrade tables that have non-utf8 columns.
1682 return $wpdb->query( "ALTER TABLE $table CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci" );
1686 * Retrieve all options as it was for 1.2.
1690 * @return stdClass List of options.
1692 function get_alloptions_110() {
1694 $all_options = new stdClass;
1695 if ( $options = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options" ) ) {
1696 foreach ( $options as $option ) {
1697 if ( 'siteurl' == $option->option_name || 'home' == $option->option_name || 'category_base' == $option->option_name )
1698 $option->option_value = untrailingslashit( $option->option_value );
1699 $all_options->{$option->option_name} = stripslashes( $option->option_value );
1702 return $all_options;
1706 * Utility version of get_option that is private to install/upgrade.
1712 * @param string $setting Option name.
1715 function __get_option($setting) {
1718 if ( $setting == 'home' && defined( 'WP_HOME' ) )
1719 return untrailingslashit( WP_HOME );
1721 if ( $setting == 'siteurl' && defined( 'WP_SITEURL' ) )
1722 return untrailingslashit( WP_SITEURL );
1724 $option = $wpdb->get_var( $wpdb->prepare("SELECT option_value FROM $wpdb->options WHERE option_name = %s", $setting ) );
1726 if ( 'home' == $setting && '' == $option )
1727 return __get_option( 'siteurl' );
1729 if ( 'siteurl' == $setting || 'home' == $setting || 'category_base' == $setting || 'tag_base' == $setting )
1730 $option = untrailingslashit( $option );
1732 return maybe_unserialize( $option );
1736 * Filters for content to remove unnecessary slashes.
1740 * @param string $content The content to modify.
1741 * @return string The de-slashed content.
1743 function deslash($content) {
1744 // Note: \\\ inside a regex denotes a single backslash.
1747 * Replace one or more backslashes followed by a single quote with
1750 $content = preg_replace("/\\\+'/", "'", $content);
1753 * Replace one or more backslashes followed by a double quote with
1756 $content = preg_replace('/\\\+"/', '"', $content);
1758 // Replace one or more backslashes with one backslash.
1759 $content = preg_replace("/\\\+/", "\\", $content);
1765 * Modifies the database based on specified SQL statements.
1767 * Useful for creating new tables and updating existing tables to a new structure.
1771 * @param string|array $queries Optional. The query to run. Can be multiple queries
1772 * in an array, or a string of queries separated by
1773 * semicolons. Default empty.
1774 * @param bool $execute Optional. Whether or not to execute the query right away.
1776 * @return array Strings containing the results of the various update queries.
1778 function dbDelta( $queries = '', $execute = true ) {
1781 if ( in_array( $queries, array( '', 'all', 'blog', 'global', 'ms_global' ), true ) )
1782 $queries = wp_get_db_schema( $queries );
1784 // Separate individual queries into an array
1785 if ( !is_array($queries) ) {
1786 $queries = explode( ';', $queries );
1787 $queries = array_filter( $queries );
1791 * Filter the dbDelta SQL queries.
1795 * @param array $queries An array of dbDelta SQL queries.
1797 $queries = apply_filters( 'dbdelta_queries', $queries );
1799 $cqueries = array(); // Creation Queries
1800 $iqueries = array(); // Insertion Queries
1801 $for_update = array();
1803 // Create a tablename index for an array ($cqueries) of queries
1804 foreach($queries as $qry) {
1805 if ( preg_match( "|CREATE TABLE ([^ ]*)|", $qry, $matches ) ) {
1806 $cqueries[ trim( $matches[1], '`' ) ] = $qry;
1807 $for_update[$matches[1]] = 'Created table '.$matches[1];
1808 } elseif ( preg_match( "|CREATE DATABASE ([^ ]*)|", $qry, $matches ) ) {
1809 array_unshift( $cqueries, $qry );
1810 } elseif ( preg_match( "|INSERT INTO ([^ ]*)|", $qry, $matches ) ) {
1812 } elseif ( preg_match( "|UPDATE ([^ ]*)|", $qry, $matches ) ) {
1815 // Unrecognized query type
1820 * Filter the dbDelta SQL queries for creating tables and/or databases.
1822 * Queries filterable via this hook contain "CREATE TABLE" or "CREATE DATABASE".
1826 * @param array $cqueries An array of dbDelta create SQL queries.
1828 $cqueries = apply_filters( 'dbdelta_create_queries', $cqueries );
1831 * Filter the dbDelta SQL queries for inserting or updating.
1833 * Queries filterable via this hook contain "INSERT INTO" or "UPDATE".
1837 * @param array $iqueries An array of dbDelta insert or update SQL queries.
1839 $iqueries = apply_filters( 'dbdelta_insert_queries', $iqueries );
1841 $global_tables = $wpdb->tables( 'global' );
1842 foreach ( $cqueries as $table => $qry ) {
1843 // Upgrade global tables only for the main site. Don't upgrade at all if DO_NOT_UPGRADE_GLOBAL_TABLES is defined.
1844 if ( in_array( $table, $global_tables ) && ( !is_main_site() || defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) ) {
1845 unset( $cqueries[ $table ], $for_update[ $table ] );
1849 // Fetch the table column structure from the database
1850 $suppress = $wpdb->suppress_errors();
1851 $tablefields = $wpdb->get_results("DESCRIBE {$table};");
1852 $wpdb->suppress_errors( $suppress );
1854 if ( ! $tablefields )
1857 // Clear the field and index arrays.
1858 $cfields = $indices = array();
1860 // Get all of the field names in the query from between the parentheses.
1861 preg_match("|\((.*)\)|ms", $qry, $match2);
1862 $qryline = trim($match2[1]);
1864 // Separate field lines into an array.
1865 $flds = explode("\n", $qryline);
1867 // todo: Remove this?
1868 //echo "<hr/><pre>\n".print_r(strtolower($table), true).":\n".print_r($cqueries, true)."</pre><hr/>";
1870 // For every field line specified in the query.
1871 foreach ($flds as $fld) {
1873 // Extract the field name.
1874 preg_match("|^([^ ]*)|", trim($fld), $fvals);
1875 $fieldname = trim( $fvals[1], '`' );
1877 // Verify the found field name.
1879 switch (strtolower($fieldname)) {
1886 $validfield = false;
1887 $indices[] = trim(trim($fld), ", \n");
1892 // If it's a valid field, add it to the field array.
1894 $cfields[strtolower($fieldname)] = trim($fld, ", \n");
1898 // For every field in the table.
1899 foreach ($tablefields as $tablefield) {
1901 // If the table field exists in the field array ...
1902 if (array_key_exists(strtolower($tablefield->Field), $cfields)) {
1904 // Get the field type from the query.
1905 preg_match("|".$tablefield->Field." ([^ ]*( unsigned)?)|i", $cfields[strtolower($tablefield->Field)], $matches);
1906 $fieldtype = $matches[1];
1908 // Is actual field type different from the field type in query?
1909 if ($tablefield->Type != $fieldtype) {
1910 // Add a query to change the column type
1911 $cqueries[] = "ALTER TABLE {$table} CHANGE COLUMN {$tablefield->Field} " . $cfields[strtolower($tablefield->Field)];
1912 $for_update[$table.'.'.$tablefield->Field] = "Changed type of {$table}.{$tablefield->Field} from {$tablefield->Type} to {$fieldtype}";
1915 // Get the default value from the array
1916 // todo: Remove this?
1917 //echo "{$cfields[strtolower($tablefield->Field)]}<br>";
1918 if (preg_match("| DEFAULT '(.*?)'|i", $cfields[strtolower($tablefield->Field)], $matches)) {
1919 $default_value = $matches[1];
1920 if ($tablefield->Default != $default_value) {
1921 // Add a query to change the column's default value
1922 $cqueries[] = "ALTER TABLE {$table} ALTER COLUMN {$tablefield->Field} SET DEFAULT '{$default_value}'";
1923 $for_update[$table.'.'.$tablefield->Field] = "Changed default value of {$table}.{$tablefield->Field} from {$tablefield->Default} to {$default_value}";
1927 // Remove the field from the array (so it's not added).
1928 unset($cfields[strtolower($tablefield->Field)]);
1930 // This field exists in the table, but not in the creation queries?
1934 // For every remaining field specified for the table.
1935 foreach ($cfields as $fieldname => $fielddef) {
1936 // Push a query line into $cqueries that adds the field to that table.
1937 $cqueries[] = "ALTER TABLE {$table} ADD COLUMN $fielddef";
1938 $for_update[$table.'.'.$fieldname] = 'Added column '.$table.'.'.$fieldname;
1941 // Index stuff goes here. Fetch the table index structure from the database.
1942 $tableindices = $wpdb->get_results("SHOW INDEX FROM {$table};");
1944 if ($tableindices) {
1945 // Clear the index array.
1946 $index_ary = array();
1948 // For every index in the table.
1949 foreach ($tableindices as $tableindex) {
1951 // Add the index to the index data array.
1952 $keyname = $tableindex->Key_name;
1953 $index_ary[$keyname]['columns'][] = array('fieldname' => $tableindex->Column_name, 'subpart' => $tableindex->Sub_part);
1954 $index_ary[$keyname]['unique'] = ($tableindex->Non_unique == 0)?true:false;
1957 // For each actual index in the index array.
1958 foreach ($index_ary as $index_name => $index_data) {
1960 // Build a create string to compare to the query.
1962 if ($index_name == 'PRIMARY') {
1963 $index_string .= 'PRIMARY ';
1964 } elseif ( $index_data['unique'] ) {
1965 $index_string .= 'UNIQUE ';
1967 $index_string .= 'KEY ';
1968 if ($index_name != 'PRIMARY') {
1969 $index_string .= $index_name;
1971 $index_columns = '';
1973 // For each column in the index.
1974 foreach ($index_data['columns'] as $column_data) {
1975 if ($index_columns != '') $index_columns .= ',';
1977 // Add the field to the column list string.
1978 $index_columns .= $column_data['fieldname'];
1979 if ($column_data['subpart'] != '') {
1980 $index_columns .= '('.$column_data['subpart'].')';
1984 // The alternative index string doesn't care about subparts
1985 $alt_index_columns = preg_replace( '/\([^)]*\)/', '', $index_columns );
1987 // Add the column list to the index create string.
1988 $index_strings = array(
1989 "$index_string ($index_columns)",
1990 "$index_string ($alt_index_columns)",
1993 foreach( $index_strings as $index_string ) {
1994 if ( ! ( ( $aindex = array_search( $index_string, $indices ) ) === false ) ) {
1995 unset( $indices[ $aindex ] );
1997 // todo: Remove this?
1998 //echo "<pre style=\"border:1px solid #ccc;margin-top:5px;\">{$table}:<br />Found index:".$index_string."</pre>\n";
2001 // todo: Remove this?
2002 //else echo "<pre style=\"border:1px solid #ccc;margin-top:5px;\">{$table}:<br /><b>Did not find index:</b>".$index_string."<br />".print_r($indices, true)."</pre>\n";
2006 // For every remaining index specified for the table.
2007 foreach ( (array) $indices as $index ) {
2008 // Push a query line into $cqueries that adds the index to that table.
2009 $cqueries[] = "ALTER TABLE {$table} ADD $index";
2010 $for_update[] = 'Added index ' . $table . ' ' . $index;
2013 // Remove the original table creation query from processing.
2014 unset( $cqueries[ $table ], $for_update[ $table ] );
2017 $allqueries = array_merge($cqueries, $iqueries);
2019 foreach ($allqueries as $query) {
2020 // todo: Remove this?
2021 //echo "<pre style=\"border:1px solid #ccc;margin-top:5px;\">".print_r($query, true)."</pre>\n";
2022 $wpdb->query($query);
2030 * Updates the database tables to a new schema.
2032 * By default, updates all the tables to use the latest defined schema, but can also
2033 * be used to update a specific set of tables in wp_get_db_schema().
2039 * @param string $tables Optional. Which set of tables to update. Default is 'all'.
2041 function make_db_current( $tables = 'all' ) {
2042 $alterations = dbDelta( $tables );
2044 foreach($alterations as $alteration) echo "<li>$alteration</li>\n";
2049 * Updates the database tables to a new schema, but without displaying results.
2051 * By default, updates all the tables to use the latest defined schema, but can
2052 * also be used to update a specific set of tables in wp_get_db_schema().
2056 * @see make_db_current()
2058 * @param string $tables Optional. Which set of tables to update. Default is 'all'.
2060 function make_db_current_silent( $tables = 'all' ) {
2065 * Creates a site theme from an existing theme.
2067 * {@internal Missing Long Description}}
2071 * @param string $theme_name The name of the theme.
2072 * @param string $template The directory name of the theme.
2075 function make_site_theme_from_oldschool($theme_name, $template) {
2076 $home_path = get_home_path();
2077 $site_dir = WP_CONTENT_DIR . "/themes/$template";
2079 if (! file_exists("$home_path/index.php"))
2083 * Copy files from the old locations to the site theme.
2084 * TODO: This does not copy arbitrary include dependencies. Only the standard WP files are copied.
2086 $files = array('index.php' => 'index.php', 'wp-layout.css' => 'style.css', 'wp-comments.php' => 'comments.php', 'wp-comments-popup.php' => 'comments-popup.php');
2088 foreach ($files as $oldfile => $newfile) {
2089 if ($oldfile == 'index.php')
2090 $oldpath = $home_path;
2094 // Check to make sure it's not a new index.
2095 if ($oldfile == 'index.php') {
2096 $index = implode('', file("$oldpath/$oldfile"));
2097 if (strpos($index, 'WP_USE_THEMES') !== false) {
2098 if (! @copy(WP_CONTENT_DIR . '/themes/' . WP_DEFAULT_THEME . '/index.php', "$site_dir/$newfile"))
2101 // Don't copy anything.
2106 if (! @copy("$oldpath/$oldfile", "$site_dir/$newfile"))
2109 chmod("$site_dir/$newfile", 0777);
2111 // Update the blog header include in each file.
2112 $lines = explode("\n", implode('', file("$site_dir/$newfile")));
2114 $f = fopen("$site_dir/$newfile", 'w');
2116 foreach ($lines as $line) {
2117 if (preg_match('/require.*wp-blog-header/', $line))
2118 $line = '//' . $line;
2120 // Update stylesheet references.
2121 $line = str_replace("<?php echo __get_option('siteurl'); ?>/wp-layout.css", "<?php bloginfo('stylesheet_url'); ?>", $line);
2123 // Update comments template inclusion.
2124 $line = str_replace("<?php include(ABSPATH . 'wp-comments.php'); ?>", "<?php comments_template(); ?>", $line);
2126 fwrite($f, "{$line}\n");
2132 // Add a theme header.
2133 $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";
2135 $stylelines = file_get_contents("$site_dir/style.css");
2137 $f = fopen("$site_dir/style.css", 'w');
2139 fwrite($f, $header);
2140 fwrite($f, $stylelines);
2148 * Creates a site theme from the default theme.
2150 * {@internal Missing Long Description}}
2154 * @param string $theme_name The name of the theme.
2155 * @param string $template The directory name of the theme.
2156 * @return null|false
2158 function make_site_theme_from_default($theme_name, $template) {
2159 $site_dir = WP_CONTENT_DIR . "/themes/$template";
2160 $default_dir = WP_CONTENT_DIR . '/themes/' . WP_DEFAULT_THEME;
2162 // Copy files from the default theme to the site theme.
2163 //$files = array('index.php', 'comments.php', 'comments-popup.php', 'footer.php', 'header.php', 'sidebar.php', 'style.css');
2165 $theme_dir = @ opendir($default_dir);
2167 while(($theme_file = readdir( $theme_dir )) !== false) {
2168 if (is_dir("$default_dir/$theme_file"))
2170 if (! @copy("$default_dir/$theme_file", "$site_dir/$theme_file"))
2172 chmod("$site_dir/$theme_file", 0777);
2175 @closedir($theme_dir);
2177 // Rewrite the theme header.
2178 $stylelines = explode("\n", implode('', file("$site_dir/style.css")));
2180 $f = fopen("$site_dir/style.css", 'w');
2182 foreach ($stylelines as $line) {
2183 if (strpos($line, 'Theme Name:') !== false) $line = 'Theme Name: ' . $theme_name;
2184 elseif (strpos($line, 'Theme URI:') !== false) $line = 'Theme URI: ' . __get_option('url');
2185 elseif (strpos($line, 'Description:') !== false) $line = 'Description: Your theme.';
2186 elseif (strpos($line, 'Version:') !== false) $line = 'Version: 1';
2187 elseif (strpos($line, 'Author:') !== false) $line = 'Author: You';
2188 fwrite($f, $line . "\n");
2195 if (! mkdir("$site_dir/images", 0777)) {
2199 $images_dir = @ opendir("$default_dir/images");
2201 while(($image = readdir($images_dir)) !== false) {
2202 if (is_dir("$default_dir/images/$image"))
2204 if (! @copy("$default_dir/images/$image", "$site_dir/images/$image"))
2206 chmod("$site_dir/images/$image", 0777);
2209 @closedir($images_dir);
2213 * Creates a site theme.
2215 * {@internal Missing Long Description}}
2219 * @return false|string
2221 function make_site_theme() {
2222 // Name the theme after the blog.
2223 $theme_name = __get_option('blogname');
2224 $template = sanitize_title($theme_name);
2225 $site_dir = WP_CONTENT_DIR . "/themes/$template";
2227 // If the theme already exists, nothing to do.
2228 if ( is_dir($site_dir)) {
2232 // We must be able to write to the themes dir.
2233 if (! is_writable(WP_CONTENT_DIR . "/themes")) {
2238 if (! mkdir($site_dir, 0777)) {
2242 if (file_exists(ABSPATH . 'wp-layout.css')) {
2243 if (! make_site_theme_from_oldschool($theme_name, $template)) {
2244 // TODO: rm -rf the site theme directory.
2248 if (! make_site_theme_from_default($theme_name, $template))
2249 // TODO: rm -rf the site theme directory.
2253 // Make the new site theme active.
2254 $current_template = __get_option('template');
2255 if ($current_template == WP_DEFAULT_THEME) {
2256 update_option('template', $template);
2257 update_option('stylesheet', $template);
2263 * Translate user level to user role name.
2267 * @param int $level User level.
2268 * @return string User role name.
2270 function translate_level_to_role($level) {
2275 return 'administrator';
2285 return 'contributor';
2287 return 'subscriber';
2292 * Checks the version of the installed MySQL binary.
2296 function wp_check_mysql_version() {
2298 $result = $wpdb->check_database_version();
2299 if ( is_wp_error( $result ) )
2300 die( $result->get_error_message() );
2304 * Disables the Automattic widgets plugin, which was merged into core.
2308 function maybe_disable_automattic_widgets() {
2309 $plugins = __get_option( 'active_plugins' );
2311 foreach ( (array) $plugins as $plugin ) {
2312 if ( basename( $plugin ) == 'widgets.php' ) {
2313 array_splice( $plugins, array_search( $plugin, $plugins ), 1 );
2314 update_option( 'active_plugins', $plugins );
2321 * Disables the Link Manager on upgrade if, at the time of upgrade, no links exist in the DB.
2325 function maybe_disable_link_manager() {
2326 global $wp_current_db_version, $wpdb;
2328 if ( $wp_current_db_version >= 22006 && get_option( 'link_manager_enabled' ) && ! $wpdb->get_var( "SELECT link_id FROM $wpdb->links LIMIT 1" ) )
2329 update_option( 'link_manager_enabled', 0 );
2333 * Runs before the schema is upgraded.
2337 function pre_schema_upgrade() {
2338 global $wp_current_db_version, $wpdb;
2340 // Upgrade versions prior to 2.9
2341 if ( $wp_current_db_version < 11557 ) {
2342 // Delete duplicate options. Keep the option with the highest option_id.
2343 $wpdb->query("DELETE o1 FROM $wpdb->options AS o1 JOIN $wpdb->options AS o2 USING (`option_name`) WHERE o2.option_id > o1.option_id");
2345 // Drop the old primary key and add the new.
2346 $wpdb->query("ALTER TABLE $wpdb->options DROP PRIMARY KEY, ADD PRIMARY KEY(option_id)");
2348 // Drop the old option_name index. dbDelta() doesn't do the drop.
2349 $wpdb->query("ALTER TABLE $wpdb->options DROP INDEX option_name");
2352 // Multisite schema upgrades.
2353 if ( $wp_current_db_version < 25448 && is_multisite() && ! defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) && is_main_network() ) {
2355 // Upgrade verions prior to 3.7
2356 if ( $wp_current_db_version < 25179 ) {
2357 // New primary key for signups.
2358 $wpdb->query( "ALTER TABLE $wpdb->signups ADD signup_id BIGINT(20) NOT NULL AUTO_INCREMENT PRIMARY KEY FIRST" );
2359 $wpdb->query( "ALTER TABLE $wpdb->signups DROP INDEX domain" );
2362 if ( $wp_current_db_version < 25448 ) {
2363 // Convert archived from enum to tinyint.
2364 $wpdb->query( "ALTER TABLE $wpdb->blogs CHANGE COLUMN archived archived varchar(1) NOT NULL default '0'" );
2365 $wpdb->query( "ALTER TABLE $wpdb->blogs CHANGE COLUMN archived archived tinyint(2) NOT NULL default 0" );
2369 if ( $wp_current_db_version < 30133 ) {
2370 // dbDelta() can recreate but can't drop the index.
2371 $wpdb->query( "ALTER TABLE $wpdb->terms DROP INDEX slug" );
2374 // Upgrade versions prior to 4.2.
2375 if ( $wp_current_db_version < 31351 ) {
2376 if ( ! is_multisite() ) {
2377 $wpdb->query( "ALTER TABLE $wpdb->usermeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
2379 $wpdb->query( "ALTER TABLE $wpdb->terms DROP INDEX slug, ADD INDEX slug(slug(191))" );
2380 $wpdb->query( "ALTER TABLE $wpdb->terms DROP INDEX name, ADD INDEX name(name(191))" );
2381 $wpdb->query( "ALTER TABLE $wpdb->commentmeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
2382 $wpdb->query( "ALTER TABLE $wpdb->postmeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
2383 $wpdb->query( "ALTER TABLE $wpdb->posts DROP INDEX post_name, ADD INDEX post_name(post_name(191))" );
2388 * Install global terms.
2393 if ( !function_exists( 'install_global_terms' ) ) :
2394 function install_global_terms() {
2395 global $wpdb, $charset_collate;
2397 CREATE TABLE $wpdb->sitecategories (
2398 cat_ID bigint(20) NOT NULL auto_increment,
2399 cat_name varchar(55) NOT NULL default '',
2400 category_nicename varchar(200) NOT NULL default '',
2401 last_updated timestamp NOT NULL,
2402 PRIMARY KEY (cat_ID),
2403 KEY category_nicename (category_nicename),
2404 KEY last_updated (last_updated)
2407 // now create tables
2408 dbDelta( $ms_queries );