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WordPress/wp-admin/upgrade-functions.php

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<?php
require_once(ABSPATH . '/wp-admin/admin-functions.php');
require_once(ABSPATH . '/wp-admin/upgrade-schema.php');
// Functions to be called in install and upgrade scripts
function upgrade_all() {
populate_options();
upgrade_100();
upgrade_101();
upgrade_110();
upgrade_130();
upgrade_160();
save_mod_rewrite_rules();
}
function upgrade_100() {
global $wpdb;
// Get the title and ID of every post, post_name to check if it already has a value
$posts = $wpdb->get_results("SELECT ID, post_title, post_name FROM $wpdb->posts WHERE post_name = ''");
if ($posts) {
foreach($posts as $post) {
if ('' == $post->post_name) {
$newtitle = sanitize_title($post->post_title);
$wpdb->query("UPDATE $wpdb->posts SET post_name = '$newtitle' WHERE ID = '$post->ID'");
}
}
}
$categories = $wpdb->get_results("SELECT cat_ID, cat_name, category_nicename FROM $wpdb->categories");
foreach ($categories as $category) {
if ('' == $category->category_nicename) {
$newtitle = sanitize_title($category->cat_name);
$wpdb->query("UPDATE $wpdb->categories SET category_nicename = '$newtitle' WHERE cat_ID = '$category->cat_ID'");
}
}
$wpdb->query("UPDATE $wpdb->options SET option_value = REPLACE(option_value, 'wp-links/links-images/', 'wp-images/links/')
WHERE option_name LIKE 'links_rating_image%'
AND option_value LIKE 'wp-links/links-images/%'");
$done_ids = $wpdb->get_results("SELECT DISTINCT post_id FROM $wpdb->post2cat");
if ($done_ids) :
foreach ($done_ids as $done_id) :
$done_posts[] = $done_id->post_id;
endforeach;
$catwhere = ' AND ID NOT IN (' . implode(',', $done_posts) . ')';
else:
$catwhere = '';
endif;
$allposts = $wpdb->get_results("SELECT ID, post_category FROM $wpdb->posts WHERE post_category != '0' $catwhere");
if ($allposts) :
foreach ($allposts as $post) {
// Check to see if it's already been imported
$cat = $wpdb->get_row("SELECT * FROM $wpdb->post2cat WHERE post_id = $post->ID AND category_id = $post->post_category");
if (!$cat && 0 != $post->post_category) { // If there's no result
$wpdb->query("
INSERT INTO $wpdb->post2cat
(post_id, category_id)
VALUES
('$post->ID', '$post->post_category')
");
}
}
endif;
}
function upgrade_101() {
global $wpdb;
// Clean up indices, add a few
add_clean_index($wpdb->posts, 'post_name');
add_clean_index($wpdb->posts, 'post_status');
add_clean_index($wpdb->categories, 'category_nicename');
add_clean_index($wpdb->comments, 'comment_approved');
add_clean_index($wpdb->comments, 'comment_post_ID');
add_clean_index($wpdb->links , 'link_category');
add_clean_index($wpdb->links , 'link_visible');
}
function upgrade_110() {
global $wpdb;
// Set user_nicename.
// FIXME: user_nickname is no longer in the user table. Need to update and
// move this code to where the new usermeta table is setup.
// $users = $wpdb->get_results("SELECT ID, user_nickname, user_nicename FROM $wpdb->users");
// foreach ($users as $user) {
// if ('' == $user->user_nicename) {
// $newname = sanitize_title($user->user_nickname);
// $wpdb->query("UPDATE $wpdb->users SET user_nicename = '$newname' WHERE ID = '$user->ID'");
// }
// }
$users = $wpdb->get_results("SELECT ID, user_pass from $wpdb->users");
foreach ($users as $row) {
if (!preg_match('/^[A-Fa-f0-9]{32}$/', $row->user_pass)) {
$wpdb->query('UPDATE '.$wpdb->users.' SET user_pass = MD5(\''.$row->user_pass.'\') WHERE ID = \''.$row->ID.'\'');
}
}
// Get the GMT offset, we'll use that later on
$all_options = get_alloptions_110();
$time_difference = $all_options->time_difference;
$server_time = time()+date('Z');
$weblogger_time = $server_time + $time_difference*3600;
$gmt_time = time();
$diff_gmt_server = ($gmt_time - $server_time) / 3600;
$diff_weblogger_server = ($weblogger_time - $server_time) / 3600;
$diff_gmt_weblogger = $diff_gmt_server - $diff_weblogger_server;
$gmt_offset = -$diff_gmt_weblogger;
// Add a gmt_offset option, with value $gmt_offset
add_option('gmt_offset', $gmt_offset);
// Check if we already set the GMT fields (if we did, then
// MAX(post_date_gmt) can't be '0000-00-00 00:00:00'
// <michel_v> I just slapped myself silly for not thinking about it earlier
$got_gmt_fields = ($wpdb->get_var("SELECT MAX(post_date_gmt) FROM $wpdb->posts") == '0000-00-00 00:00:00') ? false : true;
if (!$got_gmt_fields) {
// Add or substract time to all dates, to get GMT dates
$add_hours = intval($diff_gmt_weblogger);
$add_minutes = intval(60 * ($diff_gmt_weblogger - $add_hours));
$wpdb->query("UPDATE $wpdb->posts SET post_date_gmt = DATE_ADD(post_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
$wpdb->query("UPDATE $wpdb->posts SET post_modified = post_date");
$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'");
$wpdb->query("UPDATE $wpdb->comments SET comment_date_gmt = DATE_ADD(comment_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
$wpdb->query("UPDATE $wpdb->users SET user_registered = DATE_ADD(user_registered, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
}
}
function upgrade_130() {
global $wpdb, $table_prefix;
// Remove extraneous backslashes.
$posts = $wpdb->get_results("SELECT ID, post_title, post_content, post_excerpt, guid, post_date, post_name, post_status, post_author FROM $wpdb->posts");
if ($posts) {
foreach($posts as $post) {
$post_content = addslashes(deslash($post->post_content));
$post_title = addslashes(deslash($post->post_title));
$post_excerpt = addslashes(deslash($post->post_excerpt));
if ( empty($post->guid) )
$guid = get_permalink($post->ID);
else
$guid = $post->guid;
$wpdb->query("UPDATE $wpdb->posts SET post_title = '$post_title', post_content = '$post_content', post_excerpt = '$post_excerpt', guid = '$guid' WHERE ID = '$post->ID'");
}
}
// Remove extraneous backslashes.
$comments = $wpdb->get_results("SELECT comment_ID, comment_author, comment_content FROM $wpdb->comments");
if ($comments) {
foreach($comments as $comment) {
$comment_content = addslashes(deslash($comment->comment_content));
$comment_author = addslashes(deslash($comment->comment_author));
$wpdb->query("UPDATE $wpdb->comments SET comment_content = '$comment_content', comment_author = '$comment_author' WHERE comment_ID = '$comment->comment_ID'");
}
}
// Remove extraneous backslashes.
$links = $wpdb->get_results("SELECT link_id, link_name, link_description FROM $wpdb->links");
if ($links) {
foreach($links as $link) {
$link_name = addslashes(deslash($link->link_name));
$link_description = addslashes(deslash($link->link_description));
$wpdb->query("UPDATE $wpdb->links SET link_name = '$link_name', link_description = '$link_description' WHERE link_id = '$link->link_id'");
}
}
// The "paged" option for what_to_show is no more.
if ($wpdb->get_var("SELECT option_value FROM $wpdb->options WHERE option_name = 'what_to_show'") == 'paged') {
$wpdb->query("UPDATE $wpdb->options SET option_value = 'posts' WHERE option_name = 'what_to_show'");
}
$active_plugins = __get_option('active_plugins');
// If plugins are not stored in an array, they're stored in the old
// newline separated format. Convert to new format.
if ( !is_array( $active_plugins ) ) {
$active_plugins = explode("\n", trim($active_plugins));
update_option('active_plugins', $active_plugins);
}
// Obsolete tables
$wpdb->query('DROP TABLE IF EXISTS ' . $table_prefix . 'optionvalues');
$wpdb->query('DROP TABLE IF EXISTS ' . $table_prefix . 'optiontypes');
$wpdb->query('DROP TABLE IF EXISTS ' . $table_prefix . 'optiongroups');
$wpdb->query('DROP TABLE IF EXISTS ' . $table_prefix . 'optiongroup_options');
// Update comments table to use comment_type
$wpdb->query("UPDATE $wpdb->comments SET comment_type='trackback', comment_content = REPLACE(comment_content, '<trackback />', '') WHERE comment_content LIKE '<trackback />%'");
$wpdb->query("UPDATE $wpdb->comments SET comment_type='pingback', comment_content = REPLACE(comment_content, '<pingback />', '') WHERE comment_content LIKE '<pingback />%'");
// Some versions have multiple duplicate option_name rows with the same values
$options = $wpdb->get_results("SELECT option_name, COUNT(option_name) AS dupes FROM `$wpdb->options` GROUP BY option_name");
foreach ( $options as $option ) {
if ( 1 != $option->dupes ) { // Could this be done in the query?
$limit = $option->dupes - 1;
$dupe_ids = $wpdb->get_col("SELECT option_id FROM $wpdb->options WHERE option_name = '$option->option_name' LIMIT $limit");
$dupe_ids = join($dupe_ids, ',');
$wpdb->query("DELETE FROM $wpdb->options WHERE option_id IN ($dupe_ids)");
}
}
make_site_theme();
}
function upgrade_160() {
global $wpdb, $table_prefix;
$users = $wpdb->get_results("SELECT * FROM $wpdb->users");
foreach ( $users as $user ) :
if ( !empty( $user->user_firstname ) )
update_usermeta( $user->ID, 'first_name', addslashes($user->user_firstname) );
if ( !empty( $user->user_lastname ) )
update_usermeta( $user->ID, 'last_name', addslashes($user->user_lastname) );
if ( !empty( $user->user_nickname ) )
update_usermeta( $user->ID, 'nickname', addslashes($user->user_nickname) );
if ( !empty( $user->user_level ) )
update_usermeta( $user->ID, $table_prefix . 'user_level', $user->user_level );
if ( !empty( $user->user_icq ) )
update_usermeta( $user->ID, 'icq', addslashes($user->user_icq) );
if ( !empty( $user->user_aim ) )
update_usermeta( $user->ID, 'aim', addslashes($user->user_aim) );
if ( !empty( $user->user_msn ) )
update_usermeta( $user->ID, 'msn', addslashes($user->user_msn) );
if ( !empty( $user->user_yim ) )
update_usermeta( $user->ID, 'yim', addslashes($user->user_icq) );
if ( !empty( $user->user_description ) )
update_usermeta( $user->ID, 'description', addslashes($user->user_description) );
if ( !isset( $user->user_idmode ) ):
$idmode = $user->user_idmode;
if ($idmode == 'nickname') $id = $user->user_nickname;
if ($idmode == 'login') $id = $user->user_login;
if ($idmode == 'firstname') $id = $user->user_firstname;
if ($idmode == 'lastname') $id = $user->user_lastname;
if ($idmode == 'namefl') $id = $user->user_firstname.' '.$user->user_lastname;
if ($idmode == 'namelf') $id = $user->user_lastname.' '.$user->user_firstname;
if (!$idmode) $id = $user->user_nickname;
$id = addslashes( $id );
$wpdb->query("UPDATE $wpdb->users SET display_name = '$id' WHERE ID = '$user->ID'");
endif;
endforeach;
$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' );
$wpdb->hide_errors();
foreach ( $old_user_fields as $old )
$wpdb->query("ALTER TABLE $wpdb->users DROP $old");
$wpdb->show_errors();
}
// The functions we use to actually do stuff
// General
function maybe_create_table($table_name, $create_ddl) {
global $wpdb;
foreach ($wpdb->get_col("SHOW TABLES",0) as $table ) {
if ($table == $table_name) {
return true;
}
}
//didn't find it try to create it.
$q = $wpdb->query($create_ddl);
// we cannot directly tell that whether this succeeded!
foreach ($wpdb->get_col("SHOW TABLES",0) as $table ) {
if ($table == $table_name) {
return true;
}
}
return false;
}
function drop_index($table, $index) {
global $wpdb;
$wpdb->hide_errors();
$wpdb->query("ALTER TABLE `$table` DROP INDEX `$index`");
// Now we need to take out all the extra ones we may have created
for ($i = 0; $i < 25; $i++) {
$wpdb->query("ALTER TABLE `$table` DROP INDEX `{$index}_$i`");
}
$wpdb->show_errors();
return true;
}
function add_clean_index($table, $index) {
global $wpdb;
drop_index($table, $index);
$wpdb->query("ALTER TABLE `$table` ADD INDEX ( `$index` )");
return true;
}
/**
** maybe_add_column()
** Add column to db table if it doesn't exist.
** Returns: true if already exists or on successful completion
** false on error
*/
function maybe_add_column($table_name, $column_name, $create_ddl) {
global $wpdb, $debug;
foreach ($wpdb->get_col("DESC $table_name", 0) as $column ) {
if ($debug) echo("checking $column == $column_name<br />");
if ($column == $column_name) {
return true;
}
}
//didn't find it try to create it.
$q = $wpdb->query($create_ddl);
// we cannot directly tell that whether this succeeded!
foreach ($wpdb->get_col("DESC $table_name", 0) as $column ) {
if ($column == $column_name) {
return true;
}
}
return false;
}
// get_alloptions as it was for 1.2.
function get_alloptions_110() {
global $wpdb;
if ($options = $wpdb->get_results("SELECT option_name, option_value FROM $wpdb->options")) {
foreach ($options as $option) {
// "When trying to design a foolproof system,
// never underestimate the ingenuity of the fools :)" -- Dougal
if ('siteurl' == $option->option_name) $option->option_value = preg_replace('|/+$|', '', $option->option_value);
if ('home' == $option->option_name) $option->option_value = preg_replace('|/+$|', '', $option->option_value);
if ('category_base' == $option->option_name) $option->option_value = preg_replace('|/+$|', '', $option->option_value);
$all_options->{$option->option_name} = stripslashes($option->option_value);
}
}
return $all_options;
}
// Version of get_option that is private to install/upgrade.
function __get_option($setting) {
global $wpdb;
$option = $wpdb->get_var("SELECT option_value FROM $wpdb->options WHERE option_name = '$setting'");
@ $kellogs = unserialize($option);
if ($kellogs !== FALSE)
return $kellogs;
else
return $option;
}
function deslash($content) {
// Note: \\\ inside a regex denotes a single backslash.
// Replace one or more backslashes followed by a single quote with
// a single quote.
$content = preg_replace("/\\\+'/", "'", $content);
// Replace one or more backslashes followed by a double quote with
// a double quote.
$content = preg_replace('/\\\+"/', '"', $content);
// Replace one or more backslashes with one backslash.
$content = preg_replace("/\\\+/", "\\", $content);
return $content;
}
function dbDelta($queries, $execute = true) {
global $wpdb;
// Seperate individual queries into an array
if( !is_array($queries) ) {
$queries = explode( ';', $queries );
if('' == $queries[count($queries) - 1]) array_pop($queries);
}
$cqueries = array(); // Creation Queries
$iqueries = array(); // Insertion Queries
$for_update = array();
// Create a tablename index for an array ($cqueries) of queries
foreach($queries as $qry) {
if(preg_match("|CREATE TABLE ([^ ]*)|", $qry, $matches)) {
$cqueries[strtolower($matches[1])] = $qry;
$for_update[$matches[1]] = 'Created table '.$matches[1];
}
else if(preg_match("|CREATE DATABASE ([^ ]*)|", $qry, $matches)) {
array_unshift($cqueries, $qry);
}
else if(preg_match("|INSERT INTO ([^ ]*)|", $qry, $matches)) {
$iqueries[] = $qry;
}
else if(preg_match("|UPDATE ([^ ]*)|", $qry, $matches)) {
$iqueries[] = $qry;
}
else {
// Unrecognized query type
}
}
// Check to see which tables and fields exist
if($tables = $wpdb->get_col('SHOW TABLES;')) {
// For every table in the database
foreach($tables as $table) {
// If a table query exists for the database table...
if( array_key_exists(strtolower($table), $cqueries) ) {
// Clear the field and index arrays
unset($cfields);
unset($indices);
// Get all of the field names in the query from between the parens
preg_match("|\((.*)\)|ms", $cqueries[strtolower($table)], $match2);
$qryline = trim($match2[1]);
// Separate field lines into an array
$flds = explode("\n", $qryline);
//echo "<hr/><pre>\n".print_r(strtolower($table), true).":\n".print_r($cqueries, true)."</pre><hr/>";
// For every field line specified in the query
foreach($flds as $fld) {
// Extract the field name
preg_match("|^([^ ]*)|", trim($fld), $fvals);
$fieldname = $fvals[1];
// Verify the found field name
$validfield = true;
switch(strtolower($fieldname))
{
case '':
case 'primary':
case 'index':
case 'fulltext':
case 'unique':
case 'key':
$validfield = false;
$indices[] = trim(trim($fld), ", \n");
break;
}
$fld = trim($fld);
// If it's a valid field, add it to the field array
if($validfield) {
$cfields[strtolower($fieldname)] = trim($fld, ", \n");
}
}
// Fetch the table column structure from the database
$tablefields = $wpdb->get_results("DESCRIBE {$table};");
// For every field in the table
foreach($tablefields as $tablefield) {
// If the table field exists in the field array...
if(array_key_exists(strtolower($tablefield->Field), $cfields)) {
// Get the field type from the query
preg_match("|".$tablefield->Field." ([^ ]*( unsigned)?)|i", $cfields[strtolower($tablefield->Field)], $matches);
$fieldtype = $matches[1];
// Is actual field type different from the field type in query?
if($tablefield->Type != $fieldtype) {
// Add a query to change the column type
$cqueries[] = "ALTER TABLE {$table} CHANGE COLUMN {$tablefield->Field} " . $cfields[strtolower($tablefield->Field)];
$for_update[$table.'.'.$tablefield->Field] = "Changed type of {$table}.{$tablefield->Field} from {$tablefield->Type} to {$fieldtype}";
}
// Get the default value from the array
//echo "{$cfields[strtolower($tablefield->Field)]}<br>";
if(preg_match("| DEFAULT '(.*)'|i", $cfields[strtolower($tablefield->Field)], $matches)) {
$default_value = $matches[1];
if($tablefield->Default != $default_value)
{
// Add a query to change the column's default value
$cqueries[] = "ALTER TABLE {$table} ALTER COLUMN {$tablefield->Field} SET DEFAULT '{$default_value}'";
$for_update[$table.'.'.$tablefield->Field] = "Changed default value of {$table}.{$tablefield->Field} from {$tablefield->Default} to {$default_value}";
}
}
// Remove the field from the array (so it's not added)
unset($cfields[strtolower($tablefield->Field)]);
}
else {
// This field exists in the table, but not in the creation queries?
}
}
// For every remaining field specified for the table
foreach($cfields as $fieldname => $fielddef) {
// Push a query line into $cqueries that adds the field to that table
$cqueries[] = "ALTER TABLE {$table} ADD COLUMN $fielddef";
$for_update[$table.'.'.$fieldname] = 'Added column '.$table.'.'.$fieldname;
}
// Index stuff goes here
// Fetch the table index structure from the database
$tableindices = $wpdb->get_results("SHOW INDEX FROM {$table};");
if($tableindices) {
// Clear the index array
unset($index_ary);
// For every index in the table
foreach($tableindices as $tableindex) {
// Add the index to the index data array
$keyname = $tableindex->Key_name;
$index_ary[$keyname]['columns'][] = array('fieldname' => $tableindex->Column_name, 'subpart' => $tableindex->Sub_part);
$index_ary[$keyname]['unique'] = ($tableindex->Non_unique == 0)?true:false;
}
// For each actual index in the index array
foreach($index_ary as $index_name => $index_data) {
// Build a create string to compare to the query
$index_string = '';
if($index_name == 'PRIMARY') {
$index_string .= 'PRIMARY ';
}
else if($index_data['unique']) {
$index_string .= 'UNIQUE ';
}
$index_string .= 'KEY ';
if($index_name != 'PRIMARY') {
$index_string .= $index_name;
}
$index_columns = '';
// For each column in the index
foreach($index_data['columns'] as $column_data) {
if($index_columns != '') $index_columns .= ',';
// Add the field to the column list string
$index_columns .= $column_data['fieldname'];
if($column_data['subpart'] != '') {
$index_columns .= '('.$column_data['subpart'].')';
}
}
// Add the column list to the index create string
$index_string .= ' ('.$index_columns.')';
if(!(($aindex = array_search($index_string, $indices)) === false)) {
unset($indices[$aindex]);
//echo "<pre style=\"border:1px solid #ccc;margin-top:5px;\">{$table}:<br/>Found index:".$index_string."</pre>\n";
}
//else echo "<pre style=\"border:1px solid #ccc;margin-top:5px;\">{$table}:<br/><b>Did not find index:</b>".$index_string."<br/>".print_r($indices, true)."</pre>\n";
}
}
// For every remaining index specified for the table
foreach($indices as $index) {
// Push a query line into $cqueries that adds the index to that table
$cqueries[] = "ALTER TABLE {$table} ADD $index";
$for_update[$table.'.'.$fieldname] = 'Added index '.$table.' '.$index;
}
// Remove the original table creation query from processing
unset($cqueries[strtolower($table)]);
unset($for_update[strtolower($table)]);
} else {
// This table exists in the database, but not in the creation queries?
}
}
}
$allqueries = array_merge($cqueries, $iqueries);
if($execute) {
foreach($allqueries as $query) {
//echo "<pre style=\"border:1px solid #ccc;margin-top:5px;\">".print_r($query, true)."</pre>\n";
$wpdb->query($query);
}
}
return $for_update;
}
function make_db_current() {
global $wp_queries;
$alterations = dbDelta($wp_queries);
echo "<ol>\n";
foreach($alterations as $alteration) echo "<li>$alteration</li>\n";
echo "</ol>\n";
}
function make_db_current_silent() {
global $wp_queries;
$alterations = dbDelta($wp_queries);
}
function make_site_theme_from_oldschool($theme_name, $template) {
$home_path = get_home_path();
$site_dir = ABSPATH . "wp-content/themes/$template";
if (! file_exists("$home_path/index.php"))
return false;
// Copy files from the old locations to the site theme.
// TODO: This does not copy arbitarary include dependencies. Only the
// standard WP files are copied.
$files = array('index.php' => 'index.php', 'wp-layout.css' => 'style.css', 'wp-comments.php' => 'comments.php', 'wp-comments-popup.php' => 'comments-popup.php');
foreach ($files as $oldfile => $newfile) {
if ($oldfile == 'index.php')
$oldpath = $home_path;
else
$oldpath = ABSPATH;
if ($oldfile == 'index.php') { // Check to make sure it's not a new index
$index = implode('', file("$oldpath/$oldfile"));
if ( strstr( $index, 'WP_USE_THEMES' ) ) {
if (! @copy(ABSPATH . 'wp-content/themes/default/index.php', "$site_dir/$newfile"))
return false;
continue; // Don't copy anything
}
}
if (! @copy("$oldpath/$oldfile", "$site_dir/$newfile"))
return false;
chmod("$site_dir/$newfile", 0777);
// Update the blog header include in each file.
$lines = explode("\n", implode('', file("$site_dir/$newfile")));
if ($lines) {
$f = fopen("$site_dir/$newfile", 'w');
foreach ($lines as $line) {
if (preg_match('/require.*wp-blog-header/', $line))
$line = '//' . $line;
// Update stylesheet references.
$line = str_replace("<?php echo __get_option('siteurl'); ?>/wp-layout.css", "<?php bloginfo('stylesheet_url'); ?>", $line);
// Update comments template inclusion.
$line = str_replace("<?php include(ABSPATH . 'wp-comments.php'); ?>", "<?php comments_template(); ?>", $line);
fwrite($f, "{$line}\n");
}
fclose($f);
}
}
// Add a theme header.
$header = "/*\nTheme Name: $theme_name\nTheme URI: " . __get_option('siteurl') . "\nDescription: A theme automatically created by the upgrade.\nVersion: 1.0\nAuthor: Moi\n*/\n";
$stylelines = file_get_contents("$site_dir/style.css");
if ($stylelines) {
$f = fopen("$site_dir/style.css", 'w');
fwrite($f, $header);
fwrite($f, $stylelines);
fclose($f);
}
return true;
}
function make_site_theme_from_default($theme_name, $template) {
$site_dir = ABSPATH . "wp-content/themes/$template";
$default_dir = ABSPATH . 'wp-content/themes/default';
// Copy files from the default theme to the site theme.
//$files = array('index.php', 'comments.php', 'comments-popup.php', 'footer.php', 'header.php', 'sidebar.php', 'style.css');
$theme_dir = @ dir("$default_dir");
if ($theme_dir) {
while(($theme_file = $theme_dir->read()) !== false) {
if (is_dir("$default_dir/$theme_file"))
continue;
if (! @copy("$default_dir/$theme_file", "$site_dir/$theme_file"))
return;
chmod("$site_dir/$theme_file", 0777);
}
}
// Rewrite the theme header.
$stylelines = explode("\n", implode('', file("$site_dir/style.css")));
if ($stylelines) {
$f = fopen("$site_dir/style.css", 'w');
foreach ($stylelines as $line) {
if (strstr($line, "Theme Name:")) $line = "Theme Name: $theme_name";
elseif (strstr($line, "Theme URI:")) $line = "Theme URI: " . __get_option('siteurl');
elseif (strstr($line, "Description:")) $line = "Description: Your theme";
elseif (strstr($line, "Version:")) $line = "Version: 1";
elseif (strstr($line, "Author:")) $line = "Author: You";
fwrite($f, "{$line}\n");
}
fclose($f);
}
// Copy the images.
umask(0);
if (! mkdir("$site_dir/images", 0777)) {
return false;
}
$images_dir = @ dir("$default_dir/images");
if ($images_dir) {
while(($image = $images_dir->read()) !== false) {
if (is_dir("$default_dir/images/$image"))
continue;
if (! @copy("$default_dir/images/$image", "$site_dir/images/$image"))
return;
chmod("$site_dir/images/$image", 0777);
}
}
}
// Create a site theme from the default theme.
function make_site_theme() {
// Name the theme after the blog.
$theme_name = __get_option('blogname');
$template = sanitize_title($theme_name);
$site_dir = ABSPATH . "wp-content/themes/$template";
// If the theme already exists, nothing to do.
if ( is_dir($site_dir)) {
return false;
}
// We must be able to write to the themes dir.
if (! is_writable(ABSPATH . "wp-content/themes")) {
return false;
}
umask(0);
if (! mkdir($site_dir, 0777)) {
return false;
}
if (file_exists(ABSPATH . 'wp-layout.css')) {
if (! make_site_theme_from_oldschool($theme_name, $template)) {
// TODO: rm -rf the site theme directory.
return false;
}
} else {
if (! make_site_theme_from_default($theme_name, $template))
// TODO: rm -rf the site theme directory.
return false;
}
// Make the new site theme active.
$current_template = __get_option('template');
if ($current_template == 'default') {
update_option('template', $template);
update_option('stylesheet', $template);
}
return $template;
}
?>
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