';
}
function get_tag( $string, $tag ) {
global $wpdb;
preg_match("|<$tag.*?>(.*?)$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);
$importdata = array_map('rtrim', file($this->file)); // Read the file into an array
$this->posts = array();
$this->categories = array();
$num = 0;
$doing_entry = false;
foreach ($importdata as $importline) {
if ( false !== strpos($importline, '') ) {
preg_match('|(.*?)|is', $importline, $category);
$this->categories[] = $category[1];
continue;
}
if ( false !== strpos($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;
}
}
}
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[$i]");
}
}
}
function wp_authors_form() {
?>
';
printf(__('Post %s already exists.'), stripslashes($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]) $this->process_post($parent[0]); // If not yet, process the parent first.
$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);
// 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) {
$cat_ID = (int) $wpdb->get_var("SELECT cat_ID FROM $wpdb->categories WHERE cat_name = '$category'");
if ($cat_ID == 0) {
$cat_ID = wp_insert_category(array('cat_name' => $category));
}
$post_cats[] = $cat_ID;
}
wp_set_post_categories($post_id, $post_cats);
}
}
// 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();
$this->process_posts();
}
function dispatch() {
if (empty ($_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');
$this->import();
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'));
?>