Pull the list of popular importers from WordPress.org.
These are the importers we suggest on import.php, prompting the user to install the relevant plugin for the import they want to go through. If the API is inaccessible, it falls back to a hard-coded list that should be kept sync'd with the API with each major version of WordPress. This API enables us to add new importers between releases, as they are completed or if services gain quick adoption. As a last resort, we can also temporarily disable importers that are broken (due to API changes, for example). The importer currently returns English strings (which are then run through translate() for existing strings), but the locale is passed to the API, allowing us to ship translated strings if we wish to be adventurous. props dllh for the assist. fixes #18977. git-svn-id: http://core.svn.wordpress.org/trunk@22632 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Andrew Nacin
parent
fbc68cd7c6
commit
dc0786c0ae
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@ -29,22 +29,19 @@ get_current_screen()->set_help_sidebar(
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'<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
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);
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$popular_importers = array();
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if ( current_user_can('install_plugins') )
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$popular_importers = array(
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'blogger' => array( __('Blogger'), __('Install the Blogger importer to import posts, comments, and users from a Blogger blog.'), 'install' ),
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'wpcat2tag' => array(__('Categories and Tags Converter'), __('Install the category/tag converter to convert existing categories to tags or tags to categories, selectively.'), 'install', 'wp-cat2tag' ),
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'livejournal' => array( __( 'LiveJournal' ), __( 'Install the LiveJournal importer to import posts from LiveJournal using their API.' ), 'install' ),
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'movabletype' => array( __('Movable Type and TypePad'), __('Install the Movable Type importer to import posts and comments from a Movable Type or TypePad blog.'), 'install', 'mt' ),
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'opml' => array( __('Blogroll'), __('Install the blogroll importer to import links in OPML format.'), 'install' ),
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'rss' => array( __('RSS'), __('Install the RSS importer to import posts from an RSS feed.'), 'install' ),
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'tumblr' => array( __('Tumblr'), __('Install the Tumblr importer to import posts & media from Tumblr using their API.'), 'install' ),
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'wordpress' => array( 'WordPress', __('Install the WordPress importer to import posts, pages, comments, custom fields, categories, and tags from a WordPress export file.'), 'install' )
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);
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if ( current_user_can( 'install_plugins' ) )
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$popular_importers = wp_get_popular_importers();
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else
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$popular_importers = array();
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if ( ! empty( $_GET['invalid'] ) && !empty($popular_importers[$_GET['invalid']][3]) ) {
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wp_redirect( admin_url('import.php?import=' . $popular_importers[$_GET['invalid']][3]) );
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exit;
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// Detect and redirect invalid importers like 'movabletype', which is registered as 'mt'
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if ( ! empty( $_GET['invalid'] ) && isset( $popular_importers[ $_GET['invalid'] ] ) ) {
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$importer_id = $popular_importers[ $_GET['invalid'] ]['importer-id'];
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if ( $importer_id != $_GET['invalid'] ) { // Prevent redirect loops.
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wp_redirect( admin_url( 'admin.php?import=' . $importer_id ) );
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exit;
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}
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unset( $importer_id );
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}
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add_thickbox();
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@ -68,28 +65,26 @@ $importers = get_importers();
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// If a popular importer is not registered, create a dummy registration that links to the plugin installer.
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foreach ( $popular_importers as $pop_importer => $pop_data ) {
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if ( isset( $importers[$pop_importer] ) )
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if ( isset( $importers[ $pop_importer ] ) )
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continue;
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if ( isset( $pop_data[3] ) && isset( $importers[ $pop_data[3] ] ) )
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if ( isset( $importers[ $pop_data['importer-id'] ] ) )
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continue;
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$importers[$pop_importer] = $popular_importers[$pop_importer];
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$importers[ $pop_data['importer-id'] ] = array( $pop_data['name'], $pop_data['description'], 'install' => $pop_data['plugin-slug'] );
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}
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if ( empty($importers) ) {
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echo '<p>'.__('No importers are available.').'</p>'; // TODO: make more helpful
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if ( empty( $importers ) ) {
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echo '<p>' . __('No importers are available.') . '</p>'; // TODO: make more helpful
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} else {
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uasort($importers, create_function('$a, $b', 'return strcmp($a[0], $b[0]);'));
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uasort($importers, create_function('$a, $b', 'return strnatcasecmp($a[0], $b[0]);'));
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?>
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<table class="widefat importers" cellspacing="0">
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<?php
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$style = '';
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foreach ($importers as $id => $data) {
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$style = ('class="alternate"' == $style || 'class="alternate active"' == $style) ? '' : 'alternate';
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$alt = '';
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foreach ($importers as $importer_id => $data) {
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$action = '';
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if ( 'install' == $data[2] ) {
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$plugin_slug = $id . '-importer';
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if ( isset( $data['install'] ) ) {
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$plugin_slug = $data['install'];
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if ( file_exists( WP_PLUGIN_DIR . '/' . $plugin_slug ) ) {
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// Looks like Importer is installed, But not active
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$plugins = get_plugins( '/' . $plugin_slug );
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@ -111,13 +106,12 @@ if ( empty($importers) ) {
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}
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}
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} else {
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$action = "<a href='" . esc_url("admin.php?import=$id") . "' title='" . esc_attr( wptexturize(strip_tags($data[1])) ) ."'>{$data[0]}</a>";
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$action = "<a href='" . esc_url( "admin.php?import=$importer_id" ) . "' title='" . esc_attr( wptexturize( strip_tags( $data[1] ) ) ) ."'>{$data[0]}</a>";
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}
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if ($style != '')
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$style = 'class="'.$style.'"';
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$alt = $alt ? '' : ' class="alternate"';
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echo "
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<tr $style>
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<tr$alt>
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<td class='import-system row-title'>$action</td>
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<td class='desc'>{$data[1]}</td>
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</tr>";
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@ -93,3 +93,93 @@ function wp_import_handle_upload() {
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return array( 'file' => $file, 'id' => $id );
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}
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/**
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* Returns a list from WordPress.org of popular importer plugins.
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*
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* @since 3.5.0
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*
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* @return array Importers with metadata for each.
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*/
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function wp_get_popular_importers() {
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include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version
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$locale = get_locale();
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$popular_importers = get_site_transient( 'popular_importers_' . $locale );
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if ( ! $popular_importers ) {
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$url = add_query_arg( 'locale', get_locale(), 'http://api.wordpress.org/core/importers/1.0/' );
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$options = array( 'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url() );
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$popular_importers = maybe_unserialize( wp_remote_retrieve_body( wp_remote_get( $url, $options ) ) );
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if ( is_array( $popular_importers ) )
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set_site_transient( 'popular_importers_' . $locale, $popular_importers, 2 * DAY_IN_SECONDS );
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else
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$popular_importers = false;
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}
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if ( is_array( $popular_importers ) ) {
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// If the data was received as translated, return it as-is.
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if ( $popular_importers['translated'] )
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return $popular_importers['importers'];
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foreach ( $popular_importers['importers'] as &$importer ) {
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$importer['description'] = translate( $importer['description'] );
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if ( $importer['name'] != 'WordPress' )
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$importer['name'] = translate( $importer['name'] );
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}
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return $popular_importers['importers'];
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}
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return array(
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// slug => name, description, plugin slug, and register_importer() slug
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'blogger' => array(
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'name' => __( 'Blogger' ),
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'description' => __( 'Install the Blogger importer to import posts, comments, and users from a Blogger blog.' ),
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'plugin-slug' => 'blogger-importer',
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'importer-id' => 'blogger',
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),
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'wpcat2tag' => array(
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'name' => __( 'Categories and Tags Converter' ),
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'description' => __( 'Install the category/tag converter to convert existing categories to tags or tags to categories, selectively.' ),
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'plugin-slug' => 'wpcat2tag-importer',
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'importer-id' => 'wp-cat2tag',
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),
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'livejournal' => array(
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'name' => __( 'LiveJournal' ),
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'description' => __( 'Install the LiveJournal importer to import posts from LiveJournal using their API.' ),
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'plugin-slug' => 'livejournal-importer',
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'importer-id' => 'livejournal',
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),
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'movabletype' => array(
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'name' => __( 'Movable Type and TypePad' ),
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'description' => __( 'Install the Movable Type importer to import posts and comments from a Movable Type or TypePad blog.' ),
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'plugin-slug' => 'movabletype-importer',
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'importer-id' => 'mt',
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),
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'opml' => array(
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'name' => __( 'Blogroll' ),
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'description' => __( 'Install the blogroll importer to import links in OPML format.' ),
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'plugin-slug' => 'opml-importer',
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'importer-id' => 'opml',
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),
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'rss' => array(
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'name' => __( 'RSS' ),
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'description' => __( 'Install the RSS importer to import posts from an RSS feed.' ),
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'plugin-slug' => 'rss-importer',
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'importer-id' => 'rss',
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),
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'tumblr' => array(
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'name' => __( 'Tumblr' ),
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'description' => __( 'Install the Tumblr importer to import posts & media from Tumblr using their API.' ),
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'plugin-slug' => 'tumblr-importer',
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'importer-id' => 'tumblr',
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),
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'wordpress' => array(
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'name' => 'WordPress',
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'description' => __( 'Install the WordPress importer to import posts, pages, comments, custom fields, categories, and tags from a WordPress export file.' ),
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'plugin-slug' => 'wordpress-importer',
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'importer-id' => 'wordpress',
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),
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);
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}
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