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See #51800, #52217 Built from https://develop.svn.wordpress.org/trunk@49936 git-svn-id: http://core.svn.wordpress.org/trunk@49635 1a063a9b-81f0-0310-95a4-ce76da25c4cd
233 lines
6.5 KiB
PHP
233 lines
6.5 KiB
PHP
<?php
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/**
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* WordPress Administration Importer API.
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*
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* @package WordPress
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* @subpackage Administration
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*/
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/**
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* Retrieve list of importers.
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*
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* @since 2.0.0
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*
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* @global array $wp_importers
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* @return array
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*/
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function get_importers() {
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global $wp_importers;
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if ( is_array( $wp_importers ) ) {
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uasort( $wp_importers, '_usort_by_first_member' );
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}
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return $wp_importers;
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}
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/**
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* Sorts a multidimensional array by first member of each top level member
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*
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* Used by uasort() as a callback, should not be used directly.
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*
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* @since 2.9.0
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* @access private
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*
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* @param array $a
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* @param array $b
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* @return int
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*/
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function _usort_by_first_member( $a, $b ) {
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return strnatcasecmp( $a[0], $b[0] );
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}
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/**
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* Register importer for WordPress.
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*
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* @since 2.0.0
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*
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* @global array $wp_importers
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*
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* @param string $id Importer tag. Used to uniquely identify importer.
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* @param string $name Importer name and title.
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* @param string $description Importer description.
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* @param callable $callback Callback to run.
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* @return void|WP_Error Void on success. WP_Error when $callback is WP_Error.
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*/
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function register_importer( $id, $name, $description, $callback ) {
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global $wp_importers;
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if ( is_wp_error( $callback ) ) {
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return $callback;
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}
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$wp_importers[ $id ] = array( $name, $description, $callback );
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}
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/**
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* Cleanup importer.
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*
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* Removes attachment based on ID.
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*
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* @since 2.0.0
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*
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* @param string $id Importer ID.
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*/
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function wp_import_cleanup( $id ) {
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wp_delete_attachment( $id );
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}
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/**
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* Handle importer uploading and add attachment.
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*
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* @since 2.0.0
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*
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* @return array Uploaded file's details on success, error message on failure
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*/
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function wp_import_handle_upload() {
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if ( ! isset( $_FILES['import'] ) ) {
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return array(
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'error' => sprintf(
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/* translators: 1: php.ini, 2: post_max_size, 3: upload_max_filesize */
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__( 'File is empty. Please upload something more substantial. This error could also be caused by uploads being disabled in your %1$s file or by %2$s being defined as smaller than %3$s in %1$s.' ),
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'php.ini',
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'post_max_size',
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'upload_max_filesize'
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),
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);
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}
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$overrides = array(
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'test_form' => false,
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'test_type' => false,
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);
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$_FILES['import']['name'] .= '.txt';
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$upload = wp_handle_upload( $_FILES['import'], $overrides );
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if ( isset( $upload['error'] ) ) {
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return $upload;
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}
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// Construct the object array.
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$object = array(
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'post_title' => wp_basename( $upload['file'] ),
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'post_content' => $upload['url'],
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'post_mime_type' => $upload['type'],
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'guid' => $upload['url'],
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'context' => 'import',
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'post_status' => 'private',
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);
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// Save the data.
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$id = wp_insert_attachment( $object, $upload['file'] );
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/*
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* Schedule a cleanup for one day from now in case of failed
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* import or missing wp_import_cleanup() call.
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*/
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wp_schedule_single_event( time() + DAY_IN_SECONDS, 'importer_scheduled_cleanup', array( $id ) );
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return array(
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'file' => $upload['file'],
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'id' => $id,
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);
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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 an unmodified $wp_version.
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require ABSPATH . WPINC . '/version.php';
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$locale = get_user_locale();
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$cache_key = 'popular_importers_' . md5( $locale . $wp_version );
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$popular_importers = get_site_transient( $cache_key );
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if ( ! $popular_importers ) {
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$url = add_query_arg(
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array(
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'locale' => $locale,
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'version' => $wp_version,
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),
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'http://api.wordpress.org/core/importers/1.1/'
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);
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$options = array( 'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ) );
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if ( wp_http_supports( array( 'ssl' ) ) ) {
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$url = set_url_scheme( $url, 'https' );
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}
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$response = wp_remote_get( $url, $options );
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$popular_importers = json_decode( wp_remote_retrieve_body( $response ), true );
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if ( is_array( $popular_importers ) ) {
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set_site_transient( $cache_key, $popular_importers, 2 * DAY_IN_SECONDS );
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} else {
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$popular_importers = false;
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}
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}
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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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}
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foreach ( $popular_importers['importers'] as &$importer ) {
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// phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText
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$importer['description'] = translate( $importer['description'] );
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if ( 'WordPress' !== $importer['name'] ) {
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// phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText
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$importer['name'] = translate( $importer['name'] );
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}
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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' => __( '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' => __( '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' => __( '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' => __( '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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'rss' => array(
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'name' => __( 'RSS' ),
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'description' => __( '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' => __( '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' => __( '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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