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Editing: class-wxr-parser-simplexml.php
<?php /** * WordPress eXtended RSS file parser implementations * * @package WordPress * @subpackage Importer */ /** * WXR Parser that makes use of the SimpleXML PHP extension. */ class WXR_Parser_SimpleXML { function parse( $file ) { $authors = $posts = $categories = $tags = $terms = array(); $internal_errors = libxml_use_internal_errors(true); $dom = new DOMDocument; $old_value = null; if ( function_exists( 'libxml_disable_entity_loader' ) ) { $old_value = libxml_disable_entity_loader( true ); } $success = $dom->loadXML( file_get_contents( $file ) ); if ( ! is_null( $old_value ) ) { libxml_disable_entity_loader( $old_value ); } if ( ! $success || isset( $dom->doctype ) ) { return new WP_Error( 'SimpleXML_parse_error', __( 'There was an error when reading this WXR file', 'wordpress-importer' ), libxml_get_errors() ); } $xml = simplexml_import_dom( $dom ); unset( $dom ); // halt if loading produces an error if ( ! $xml ) return new WP_Error( 'SimpleXML_parse_error', __( 'There was an error when reading this WXR file', 'wordpress-importer' ), libxml_get_errors() ); $wxr_version = $xml->xpath('/rss/channel/wp:wxr_version'); if ( ! $wxr_version ) return new WP_Error( 'WXR_parse_error', __( 'This does not appear to be a WXR file, missing/invalid WXR version number', 'wordpress-importer' ) ); $wxr_version = (string) trim( $wxr_version[0] ); // confirm that we are dealing with the correct file format if ( ! preg_match( '/^\d+\.\d+$/', $wxr_version ) ) return new WP_Error( 'WXR_parse_error', __( 'This does not appear to be a WXR file, missing/invalid WXR version number', 'wordpress-importer' ) ); $base_url = $xml->xpath('/rss/channel/wp:base_site_url'); $base_url = (string) trim( isset( $base_url[0] ) ? $base_url[0] : '' ); $base_blog_url = $xml->xpath('/rss/channel/wp:base_blog_url'); if ( $base_blog_url ) { $base_blog_url = (string) trim( $base_blog_url[0] ); } else { $base_blog_url = $base_url; } $namespaces = $xml->getDocNamespaces(); if ( ! isset( $namespaces['wp'] ) ) $namespaces['wp'] = 'http://wordpress.org/export/1.1/'; if ( ! isset( $namespaces['excerpt'] ) ) $namespaces['excerpt'] = 'http://wordpress.org/export/1.1/excerpt/'; // grab authors foreach ( $xml->xpath('/rss/channel/wp:author') as $author_arr ) { $a = $author_arr->children( $namespaces['wp'] ); $login = (string) $a->author_login; $authors[$login] = array( 'author_id' => (int) $a->author_id, 'author_login' => $login, 'author_email' => (string) $a->author_email, 'author_display_name' => (string) $a->author_display_name, 'author_first_name' => (string) $a->author_first_name, 'author_last_name' => (string) $a->author_last_name ); } // grab cats, tags and terms foreach ( $xml->xpath('/rss/channel/wp:category') as $term_arr ) { $t = $term_arr->children( $namespaces['wp'] ); $category = array( 'term_id' => (int) $t->term_id, 'category_nicename' => (string) $t->category_nicename, 'category_parent' => (string) $t->category_parent, 'cat_name' => (string) $t->cat_name, 'category_description' => (string) $t->category_description ); foreach ( $t->termmeta as $meta ) { $category['termmeta'][] = array( 'key' => (string) $meta->meta_key, 'value' => (string) $meta->meta_value ); } $categories[] = $category; } foreach ( $xml->xpath('/rss/channel/wp:tag') as $term_arr ) { $t = $term_arr->children( $namespaces['wp'] ); $tag = array( 'term_id' => (int) $t->term_id, 'tag_slug' => (string) $t->tag_slug, 'tag_name' => (string) $t->tag_name, 'tag_description' => (string) $t->tag_description ); foreach ( $t->termmeta as $meta ) { $tag['termmeta'][] = array( 'key' => (string) $meta->meta_key, 'value' => (string) $meta->meta_value ); } $tags[] = $tag; } foreach ( $xml->xpath('/rss/channel/wp:term') as $term_arr ) { $t = $term_arr->children( $namespaces['wp'] ); $term = array( 'term_id' => (int) $t->term_id, 'term_taxonomy' => (string) $t->term_taxonomy, 'slug' => (string) $t->term_slug, 'term_parent' => (string) $t->term_parent, 'term_name' => (string) $t->term_name, 'term_description' => (string) $t->term_description ); foreach ( $t->termmeta as $meta ) { $term['termmeta'][] = array( 'key' => (string) $meta->meta_key, 'value' => (string) $meta->meta_value ); } $terms[] = $term; } // grab posts foreach ( $xml->channel->item as $item ) { $post = array( 'post_title' => (string) $item->title, 'guid' => (string) $item->guid, ); $dc = $item->children( 'http://purl.org/dc/elements/1.1/' ); $post['post_author'] = (string) $dc->creator; $content = $item->children( 'http://purl.org/rss/1.0/modules/content/' ); $excerpt = $item->children( $namespaces['excerpt'] ); $post['post_content'] = (string) $content->encoded; $post['post_excerpt'] = (string) $excerpt->encoded; $wp = $item->children( $namespaces['wp'] ); $post['post_id'] = (int) $wp->post_id; $post['post_date'] = (string) $wp->post_date; $post['post_date_gmt'] = (string) $wp->post_date_gmt; $post['comment_status'] = (string) $wp->comment_status; $post['ping_status'] = (string) $wp->ping_status; $post['post_name'] = (string) $wp->post_name; $post['status'] = (string) $wp->status; $post['post_parent'] = (int) $wp->post_parent; $post['menu_order'] = (int) $wp->menu_order; $post['post_type'] = (string) $wp->post_type; $post['post_password'] = (string) $wp->post_password; $post['is_sticky'] = (int) $wp->is_sticky; if ( isset($wp->attachment_url) ) $post['attachment_url'] = (string) $wp->attachment_url; foreach ( $item->category as $c ) { $att = $c->attributes(); if ( isset( $att['nicename'] ) ) $post['terms'][] = array( 'name' => (string) $c, 'slug' => (string) $att['nicename'], 'domain' => (string) $att['domain'] ); } foreach ( $wp->postmeta as $meta ) { $post['postmeta'][] = array( 'key' => (string) $meta->meta_key, 'value' => (string) $meta->meta_value ); } foreach ( $wp->comment as $comment ) { $meta = array(); if ( isset( $comment->commentmeta ) ) { foreach ( $comment->commentmeta as $m ) { $meta[] = array( 'key' => (string) $m->meta_key, 'value' => (string) $m->meta_value ); } } $post['comments'][] = array( 'comment_id' => (int) $comment->comment_id, 'comment_author' => (string) $comment->comment_author, 'comment_author_email' => (string) $comment->comment_author_email, 'comment_author_IP' => (string) $comment->comment_author_IP, 'comment_author_url' => (string) $comment->comment_author_url, 'comment_date' => (string) $comment->comment_date, 'comment_date_gmt' => (string) $comment->comment_date_gmt, 'comment_content' => (string) $comment->comment_content, 'comment_approved' => (string) $comment->comment_approved, 'comment_type' => (string) $comment->comment_type, 'comment_parent' => (string) $comment->comment_parent, 'comment_user_id' => (int) $comment->comment_user_id, 'commentmeta' => $meta, ); } $posts[] = $post; } return array( 'authors' => $authors, 'posts' => $posts, 'categories' => $categories, 'tags' => $tags, 'terms' => $terms, 'base_url' => $base_url, 'base_blog_url' => $base_blog_url, 'version' => $wxr_version ); } }
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