WordPress/wp-admin/import/livejournal.php

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PHP
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<?php
class LJ_Import {
var $file;
function header() {
echo '<div class="wrap">';
echo '<h2>'.__('Import LiveJournal').'</h2>';
}
function footer() {
echo '</div>';
}
function unhtmlentities($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 '<p>'.__('Howdy! This importer allows you to extract posts from LiveJournal XML export file into your blog. Pick a LiveJournal file to upload and click Import.').'</p>';
wp_import_upload_form("admin.php?import=livejournal&amp;step=1");
}
function import_posts() {
global $wpdb, $current_user;
set_magic_quotes_runtime(0);
$importdata = file($this->file); // Read the file into an array
$importdata = implode('', $importdata); // squish it
$importdata = str_replace(array ("\r\n", "\r"), "\n", $importdata);
preg_match_all('|<entry>(.*?)</entry>|is', $importdata, $posts);
$posts = $posts[1];
unset($importdata);
echo '<ol>';
foreach ($posts as $post) {
flush();
preg_match('|<subject>(.*?)</subject>|is', $post, $post_title);
$post_title = $wpdb->escape(trim($post_title[1]));
if ( empty($post_title) ) {
preg_match('|<itemid>(.*?)</itemid>|is', $post, $post_title);
$post_title = $wpdb->escape(trim($post_title[1]));
}
preg_match('|<eventtime>(.*?)</eventtime>|is', $post, $post_date);
$post_date = strtotime($post_date[1]);
$post_date = gmdate('Y-m-d H:i:s', $post_date);
preg_match('|<event>(.*?)</event>|is', $post, $post_content);
$post_content = str_replace(array ('<![CDATA[', ']]>'), '', trim($post_content[1]));
$post_content = $this->unhtmlentities($post_content);
// Clean up content
$post_content = preg_replace('|<(/?[A-Z]+)|e', "'<' . strtolower('$1')", $post_content);
$post_content = str_replace('<br>', '<br />', $post_content);
$post_content = str_replace('<hr>', '<hr />', $post_content);
$post_content = $wpdb->escape($post_content);
$post_author = $current_user->ID;
$post_status = 'publish';
echo '<li>';
if ($post_id = post_exists($post_title, $post_content, $post_date)) {
printf(__('Post <i>%s</i> already exists.'), stripslashes($post_title));
} else {
printf(__('Importing post <i>%s</i>...'), stripslashes($post_title));
$postdata = compact('post_author', 'post_date', 'post_content', 'post_title', 'post_status');
$post_id = wp_insert_post($postdata);
if (!$post_id) {
_e("Couldn't get post ID");
echo '</li>';
break;
}
}
preg_match_all('|<comment>(.*?)</comment>|is', $post, $comments);
$comments = $comments[1];
if ( $comments ) {
$comment_post_ID = $post_id;
$num_comments = 0;
foreach ($comments as $comment) {
preg_match('|<event>(.*?)</event>|is', $comment, $comment_content);
$comment_content = str_replace(array ('<![CDATA[', ']]>'), '', trim($comment_content[1]));
$comment_content = $this->unhtmlentities($comment_content);
// Clean up content
$comment_content = preg_replace('|<(/?[A-Z]+)|e', "'<' . strtolower('$1')", $comment_content);
$comment_content = str_replace('<br>', '<br />', $comment_content);
$comment_content = str_replace('<hr>', '<hr />', $comment_content);
$comment_content = $wpdb->escape($comment_content);
preg_match('|<eventtime>(.*?)</eventtime>|is', $comment, $comment_date);
$comment_date = trim($comment_date[1]);
$comment_date = date('Y-m-d H:i:s', strtotime($comment_date));
preg_match('|<name>(.*?)</name>|is', $comment, $comment_author);
$comment_author = $wpdb->escape(trim($comment_author[1]));
preg_match('|<email>(.*?)</email>|is', $comment, $comment_author_email);
$comment_author_email = $wpdb->escape(trim($comment_author_email[1]));
$comment_approved = 1;
// Check if it's already there
if (!comment_exists($comment_author, $comment_date)) {
$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_date', 'comment_content', 'comment_approved');
$commentdata = wp_filter_comment($commentdata);
wp_insert_comment($commentdata);
$num_comments++;
}
}
}
if ( $num_comments ) {
echo ' ';
printf(__('(%s comments)'), $num_comments);
}
echo '</li>';
flush();
ob_flush();
}
echo '</ol>';
}
function import() {
$file = wp_import_handle_upload();
if ( isset($file['error']) ) {
echo $file['error'];
return;
}
$this->file = $file['file'];
$this->import_posts();
wp_import_cleanup($file['id']);
echo '<h3>';
printf(__('All done. <a href="%s">Have fun!</a>'), get_option('home'));
echo '</h3>';
}
function dispatch() {
if (empty ($_GET['step']))
$step = 0;
else
$step = (int) $_GET['step'];
$this->header();
switch ($step) {
case 0 :
$this->greet();
break;
case 1 :
$this->import();
break;
}
$this->footer();
}
function LJ_Import() {
// Nothing.
}
}
$livejournal_import = new LJ_Import();
register_importer('livejournal', __('LiveJournal'), __('Import posts from LiveJournal'), array ($livejournal_import, 'dispatch'));
?>