XML fragment, [1] => New post ID] var $file; var $id; var $mtnames = array (); var $newauthornames = array (); var $j = -1; function header() { echo '
'; echo '

'.__('Import WordPress').'

'; } function footer() { echo '
'; } function unhtmlentities($string) { // From php.net for < 4.3 compat $trans_tbl = get_html_translation_table(HTML_ENTITIES); $trans_tbl = array_flip($trans_tbl); return strtr($string, $trans_tbl); } function greet() { echo '
'; echo '

'.__('Howdy! Upload your WordPress eXtended RSS (WXR) file and we’ll import the posts, comments, custom fields, and categories into this blog.').'

'; echo '

'.__('Choose a WordPress WXR file to upload, then click Upload file and import.').'

'; wp_import_upload_form("admin.php?import=wordpress&step=1"); echo '
'; } function get_tag( $string, $tag ) { global $wpdb; preg_match("|<$tag.*?>(.*?)|is", $string, $return); $return = preg_replace('|^$|s', '$1', $return[1]); $return = $wpdb->escape( trim( $return ) ); return $return; } function users_form($n) { global $wpdb, $testing; $users = $wpdb->get_results("SELECT user_login FROM $wpdb->users ORDER BY user_login"); ?> mtnames))) { //a new mt author name is found ++ $this->j; $this->mtnames[$this->j] = $author; //add that new mt author name to an array $user_id = username_exists($this->newauthornames[$this->j]); //check if the new author name defined by the user is a pre-existing wp user if (!$user_id) { //banging my head against the desk now. if ($this->newauthornames[$this->j] == 'left_blank') { //check if the user does not want to change the authorname $user_id = wp_create_user($author, $pass); $this->newauthornames[$this->j] = $author; //now we have a name, in the place of left_blank. } else { $user_id = wp_create_user($this->newauthornames[$this->j], $pass); } } else { return $user_id; // return pre-existing wp username if it exists } } else { $key = array_search($author, $this->mtnames); //find the array key for $author in the $mtnames array $user_id = username_exists($this->newauthornames[$key]); //use that key to get the value of the author's name from $newauthornames } return $user_id; } function get_entries() { set_magic_quotes_runtime(0); $this->posts = array(); $this->categories = array(); $this->tags = array(); $num = 0; $doing_entry = false; $fp = fopen($this->file, 'r'); if ($fp) { while ( !feof($fp) ) { $importline = rtrim(fgets($fp)); if ( false !== strpos($importline, '') ) { preg_match('|(.*?)|is', $importline, $category); $this->categories[] = $category[1]; continue; } if ( false !== strpos($importline, '') ) { preg_match('|(.*?)|is', $importline, $tag); $this->tags[] = $tag[1]; continue; } if ( false !== strpos($importline, '') ) { $this->posts[$num] = ''; $doing_entry = true; continue; } if ( false !== strpos($importline, '') ) { $num++; $doing_entry = false; continue; } if ( $doing_entry ) { $this->posts[$num] .= $importline . "\n"; } } foreach ($this->posts as $post) { $post_ID = (int) $this->get_tag( $post, 'wp:post_id' ); if ($post_ID) { $this->posts_processed[$post_ID][0] = &$post; $this->posts_processed[$post_ID][1] = 0; } } fclose($fp); } } function get_wp_authors() { $temp = array (); $i = -1; foreach ($this->posts as $post) { if ('' != trim($post)) { ++ $i; $author = $this->get_tag( $post, 'dc:creator' ); array_push($temp, "$author"); //store the extracted author names in a temporary array } } // We need to find unique values of author names, while preserving the order, so this function emulates the unique_value(); php function, without the sorting. $authors[0] = array_shift($temp); $y = count($temp) + 1; for ($x = 1; $x < $y; $x ++) { $next = array_shift($temp); if (!(in_array($next, $authors))) array_push($authors, "$next"); } return $authors; } function get_authors_from_post() { $formnames = array (); $selectnames = array (); foreach ($_POST['user'] as $key => $line) { $newname = trim(stripslashes($line)); if ($newname == '') $newname = 'left_blank'; //passing author names from step 1 to step 2 is accomplished by using POST. left_blank denotes an empty entry in the form. array_push($formnames, "$newname"); } // $formnames is the array with the form entered names foreach ($_POST['userselect'] as $user => $key) { $selected = trim(stripslashes($key)); array_push($selectnames, "$selected"); } $count = count($formnames); for ($i = 0; $i < $count; $i ++) { if ($selectnames[$i] != '#NONE#') { //if no name was selected from the select menu, use the name entered in the form array_push($this->newauthornames, "$selectnames[$i]"); } else { array_push($this->newauthornames, "$formnames[$i]"); } } } function wp_authors_form() { ?>

admins entries.'); ?>

get_wp_authors(); echo '
    '; echo '
    '; wp_nonce_field('import-wordpress'); $j = -1; foreach ($authors as $author) { ++ $j; echo '
  1. '.__('Current author:').' '.$author.'
    '.sprintf(__('Create user %1$s or map to existing'), '
    '); $this->users_form($j); echo '
    2. '; } echo ''.'
    '; echo '
    '; echo '
'; } function select_authors() { $file = wp_import_handle_upload(); if ( isset($file['error']) ) { echo '

'.__('Sorry, there has been an error.').'

'; echo '

' . $file['error'] . '

'; return; } $this->file = $file['file']; $this->id = (int) $file['id']; $this->get_entries(); $this->wp_authors_form(); } function process_categories() { global $wpdb; $cat_names = (array) get_terms('category', 'fields=names'); while ( $c = array_shift($this->categories) ) { $cat_name = trim($this->get_tag( $c, 'wp:cat_name' )); // If the category exists we leave it alone if ( in_array($cat_name, $cat_names) ) continue; $category_nicename = $this->get_tag( $c, 'wp:category_nicename' ); $posts_private = (int) $this->get_tag( $c, 'wp:posts_private' ); $links_private = (int) $this->get_tag( $c, 'wp:links_private' ); $parent = $this->get_tag( $c, 'wp:category_parent' ); if ( empty($parent) ) $category_parent = '0'; else $category_parent = category_exists($parent); $catarr = compact('category_nicename', 'category_parent', 'posts_private', 'links_private', 'posts_private', 'cat_name'); $cat_ID = wp_insert_category($catarr); } } function process_tags() { global $wpdb; $tag_names = (array) get_terms('post_tag', 'fields=names'); while ( $c = array_shift($this->tags) ) { $tag_name = trim($this->get_tag( $c, 'wp:tag_name' )); // If the category exists we leave it alone if ( in_array($tag_name, $tag_names) ) continue; $slug = $this->get_tag( $c, 'wp:tag_slug' ); $description = $this->get_tag( $c, 'wp:tag_description' ); $tagarr = compact('slug', 'description'); $tag_ID = wp_insert_term($tag_name, 'post_tag', $tagarr); } } function process_posts() { $i = -1; echo '
    '; foreach ($this->posts as $post) { $result = $this->process_post($post); if ( is_wp_error( $result ) ) return $result; } echo '
'; wp_import_cleanup($this->id); echo '

'.sprintf(__('All done.').' '.__('Have fun!').'', get_option('home')).'

'; } function process_post($post) { global $wpdb; $post_ID = (int) $this->get_tag( $post, 'wp:post_id' ); if ( $post_ID && !empty($this->posts_processed[$post_ID][1]) ) // Processed already return 0; // There are only ever one of these $post_title = $this->get_tag( $post, 'title' ); $post_date = $this->get_tag( $post, 'wp:post_date' ); $post_date_gmt = $this->get_tag( $post, 'wp:post_date_gmt' ); $comment_status = $this->get_tag( $post, 'wp:comment_status' ); $ping_status = $this->get_tag( $post, 'wp:ping_status' ); $post_status = $this->get_tag( $post, 'wp:status' ); $post_name = $this->get_tag( $post, 'wp:post_name' ); $post_parent = $this->get_tag( $post, 'wp:post_parent' ); $menu_order = $this->get_tag( $post, 'wp:menu_order' ); $post_type = $this->get_tag( $post, 'wp:post_type' ); $guid = $this->get_tag( $post, 'guid' ); $post_author = $this->get_tag( $post, 'dc:creator' ); $post_content = $this->get_tag( $post, 'content:encoded' ); $post_content = preg_replace('|<(/?[A-Z]+)|e', "'<' . strtolower('$1')", $post_content); $post_content = str_replace('
', '
', $post_content); $post_content = str_replace('
', '
', $post_content); preg_match_all('|(.*?)|is', $post, $tags); $tags = $tags[1]; $tag_index = 0; foreach ($tags as $tag) { $tags[$tag_index] = $wpdb->escape($this->unhtmlentities(str_replace(array (''), '', $tag))); $tag_index++; } preg_match_all('|(.*?)|is', $post, $categories); $categories = $categories[1]; $cat_index = 0; foreach ($categories as $category) { $categories[$cat_index] = $wpdb->escape($this->unhtmlentities(str_replace(array (''), '', $category))); $cat_index++; } if ($post_id = post_exists($post_title, '', $post_date)) { echo '
  • '; printf(__('Post %s already exists.'), stripslashes($post_title)); } else { // If it has parent, process parent first. $post_parent = (int) $post_parent; if ($parent = $this->posts_processed[$post_parent]) { if (!$parent[1]) { $result = $this->process_post($parent[0]); // If not yet, process the parent first. if ( is_wp_error( $result ) ) return $result; } $post_parent = $parent[1]; // New ID of the parent; } echo '
  • '; printf(__('Importing post %s...'), stripslashes($post_title)); $post_author = $this->checkauthor($post_author); //just so that if a post already exists, new users are not created by checkauthor $postdata = compact('post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_excerpt', 'post_status', 'post_name', 'comment_status', 'ping_status', 'post_modified', 'post_modified_gmt', 'guid', 'post_parent', 'menu_order', 'post_type'); $comment_post_ID = $post_id = wp_insert_post($postdata); if ( is_wp_error( $post_id ) ) return $post_id; // Memorize old and new ID. if ( $post_id && $post_ID && $this->posts_processed[$post_ID] ) $this->posts_processed[$post_ID][1] = $post_id; // New ID. // Add categories. if (count($categories) > 0) { $post_cats = array(); foreach ($categories as $category) { $slug = sanitize_term_field('slug', $category, 0, 'category', 'db'); $cat = get_term_by('slug', $slug, 'category'); $cat_ID = 0; if ( ! empty($cat) ) $cat_ID = $cat->term_id; if ($cat_ID == 0) { $category = $wpdb->escape($category); $cat_ID = wp_insert_category(array('cat_name' => $category)); } $post_cats[] = $cat_ID; } wp_set_post_categories($post_id, $post_cats); } // Add tags. if (count($tags) > 0) { $post_tags = array(); foreach ($tags as $tag) { $slug = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db'); $tag_obj = get_term_by('slug', $slug, 'post_tag'); $tag_id = 0; if ( ! empty($tag_obj) ) $tag_id = $tag_obj->term_id; if ( $tag_id == 0 ) { $tag = $wpdb->escape($tag); $tag_id = wp_insert_term($tag, 'post_tag'); $tag_id = $tag_id['term_id']; } $post_tags[] = $tag_id; } wp_set_post_tags($post_id, $post_tags); } } // Now for comments preg_match_all('|(.*?)|is', $post, $comments); $comments = $comments[1]; $num_comments = 0; if ( $comments) { foreach ($comments as $comment) { $comment_author = $this->get_tag( $comment, 'wp:comment_author'); $comment_author_email = $this->get_tag( $comment, 'wp:comment_author_email'); $comment_author_IP = $this->get_tag( $comment, 'wp:comment_author_IP'); $comment_author_url = $this->get_tag( $comment, 'wp:comment_author_url'); $comment_date = $this->get_tag( $comment, 'wp:comment_date'); $comment_date_gmt = $this->get_tag( $comment, 'wp:comment_date_gmt'); $comment_content = $this->get_tag( $comment, 'wp:comment_content'); $comment_approved = $this->get_tag( $comment, 'wp:comment_approved'); $comment_type = $this->get_tag( $comment, 'wp:comment_type'); $comment_parent = $this->get_tag( $comment, 'wp:comment_parent'); if ( !comment_exists($comment_author, $comment_date) ) { $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_url', 'comment_author_email', 'comment_author_IP', 'comment_date', 'comment_date_gmt', 'comment_content', 'comment_approved', 'comment_type', 'comment_parent'); wp_insert_comment($commentdata); $num_comments++; } } } if ( $num_comments ) printf(' '.__('(%s comments)'), $num_comments); // Now for post meta preg_match_all('|(.*?)|is', $post, $postmeta); $postmeta = $postmeta[1]; if ( $postmeta) { foreach ($postmeta as $p) { $key = $this->get_tag( $p, 'wp:meta_key' ); $value = $this->get_tag( $p, 'wp:meta_value' ); $value = stripslashes($value); // add_post_meta() will escape. add_post_meta( $post_id, $key, $value ); } } } function import() { $this->id = (int) $_GET['id']; $this->file = get_attached_file($this->id); $this->get_authors_from_post(); $this->get_entries(); $this->process_categories(); $this->process_tags(); $result = $this->process_posts(); if ( is_wp_error( $result ) ) return $result; } function dispatch() { if (empty ($_GET['step'])) $step = 0; else $step = (int) $_GET['step']; $this->header(); switch ($step) { case 0 : $this->greet(); break; case 1 : check_admin_referer('import-upload'); $this->select_authors(); break; case 2: check_admin_referer('import-wordpress'); $result = $this->import(); if ( is_wp_error( $result ) ) echo $result->get_error_message(); break; } $this->footer(); } function WP_Import() { // Nothing. } } $wp_import = new WP_Import(); register_importer('wordpress', 'WordPress', __('Import posts, comments, custom fields, pages, and categories from a WordPress export file'), array ($wp_import, 'dispatch')); ?>