Edit File by line

<?php

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namespace sgpb;

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use \DOMDocument;

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/**

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* WordPress eXtended RSS file parser implementations

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* @package WordPress

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* @subpackage Importer

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/**

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* WordPress Importer class for managing parsing of WXR files.

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class WXR_Parser {

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function parse( $file ) {

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// Attempt to use proper XML parsers first

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if ( extension_loaded( 'simplexml' ) ) {

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$parser = new WXR_Parser_SimpleXML;

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$result = $parser->parse( $file );

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// If SimpleXML succeeds or this is an invalid WXR file then return the results

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if ( ! is_wp_error( $result ) || 'SimpleXML_parse_error' != $result->get_error_code() )

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return $result;

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} else if ( extension_loaded( 'xml' ) ) {

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$parser = new WXR_Parser_XML;

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$result = $parser->parse( $file );

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// If XMLParser succeeds or this is an invalid WXR file then return the results

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if ( ! is_wp_error( $result ) || 'XML_parse_error' != $result->get_error_code() )

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return $result;

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}

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// We have a malformed XML file, so display the error and fallthrough to regex

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if ( isset($result) && defined('IMPORT_DEBUG') && IMPORT_DEBUG ) {

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echo '<pre>';

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if ( 'SimpleXML_parse_error' == $result->get_error_code() ) {

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foreach ( $result->get_error_data() as $error )

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echo esc_html($error->line) . ':' . esc_html($error->column) . ' ' . esc_html( $error->message ) . "\n";

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} else if ( 'XML_parse_error' == $result->get_error_code() ) {

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$error = $result->get_error_data();

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echo esc_html($error[0]) . ':' . esc_html($error[1]) . ' ' . esc_html( $error[2] );

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}

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echo '</pre>';

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echo '' . wp_kses_post(__( 'There was an error when reading this WXR file', 'popup-builder' ) ). ' ';

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echo wp_kses_post(__( 'Details are shown above. The importer will now try again with a different parser...', 'popup-builder' ) ) . '';

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}

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// use regular expressions if nothing else available or this is bad XML

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$parser = new WXR_Parser_Regex;

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return $parser->parse( $file );

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}

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}

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/**

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* WXR Parser that makes use of the SimpleXML PHP extension.

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class WXR_Parser_SimpleXML {

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function parse( $file ) {

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$authors = $posts = $categories = $tags = $terms = array();

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$internal_errors = libxml_use_internal_errors(true);

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$dom = new DOMDocument;

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$old_value = null;

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if ( function_exists( 'libxml_disable_entity_loader' ) ) {

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$old_value = libxml_disable_entity_loader( true );

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}

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$success = $dom->loadXML( file_get_contents( $file ) );// phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents

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if ( ! is_null( $old_value ) ) {

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libxml_disable_entity_loader( $old_value );

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}

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if ( ! $success || isset( $dom->doctype ) ) {

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return new \WP_Error( 'SimpleXML_parse_error', __( 'There was an error when reading this WXR file', 'popup-builder' ), libxml_get_errors() );

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}

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$xml = simplexml_import_dom( $dom );

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unset( $dom );

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// halt if loading produces an error

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if ( ! $xml )

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return new \WP_Error( 'SimpleXML_parse_error', __( 'There was an error when reading this WXR file', 'popup-builder' ), libxml_get_errors() );

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$wxr_version = $xml->xpath('/rss/channel/wp:wxr_version');

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if ( ! $wxr_version )

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return new \WP_Error( 'WXR_parse_error', __( 'This does not appear to be a WXR file, missing/invalid WXR version number', 'popup-builder' ) );

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$wxr_version = (string) trim( $wxr_version[0] );

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// confirm that we are dealing with the correct file format

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if ( ! preg_match( '/^\d+\.\d+$/', $wxr_version ) )

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return new \WP_Error( 'WXR_parse_error', __( 'This does not appear to be a WXR file, missing/invalid WXR version number', 'popup-builder' ) );

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$base_url = $xml->xpath('/rss/channel/wp:base_site_url');

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$base_url = (string) trim( $base_url[0] );

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$namespaces = $xml->getDocNamespaces();

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if ( ! isset( $namespaces['wp'] ) )

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$namespaces['wp'] = 'http://wordpress.org/export/1.1/';

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if ( ! isset( $namespaces['excerpt'] ) )

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$namespaces['excerpt'] = 'http://wordpress.org/export/1.1/excerpt/';

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// grab authors

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foreach ( $xml->xpath('/rss/channel/wp:author') as $author_arr ) {

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$a = $author_arr->children( $namespaces['wp'] );

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$login = (string) $a->author_login;

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$authors[$login] = array(

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'author_id' => (int) $a->author_id,

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'author_login' => $login,

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'author_email' => (string) $a->author_email,

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'author_display_name' => (string) $a->author_display_name,

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'author_first_name' => (string) $a->author_first_name,

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'author_last_name' => (string) $a->author_last_name

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);

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}

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// grab cats, tags and terms

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foreach ( $xml->xpath('/rss/channel/wp:category') as $term_arr ) {

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$t = $term_arr->children( $namespaces['wp'] );

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$category = array(

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'term_id' => (int) $t->term_id,

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'category_nicename' => (string) $t->category_nicename,

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'category_parent' => (string) $t->category_parent,

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'cat_name' => (string) $t->cat_name,

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'category_description' => (string) $t->category_description

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);

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foreach ( $t->termmeta as $meta ) {

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$category['termmeta'][] = array(

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'key' => (string) $meta->meta_key,

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'value' => (string) $meta->meta_value

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);

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}

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$categories[] = $category;

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}

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foreach ( $xml->xpath('/rss/channel/wp:tag') as $term_arr ) {

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$t = $term_arr->children( $namespaces['wp'] );

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$tag = array(

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'term_id' => (int) $t->term_id,

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'tag_slug' => (string) $t->tag_slug,

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'tag_name' => (string) $t->tag_name,

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'tag_description' => (string) $t->tag_description

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);

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foreach ( $t->termmeta as $meta ) {

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$tag['termmeta'][] = array(

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'key' => (string) $meta->meta_key,

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'value' => (string) $meta->meta_value

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);

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}

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$tags[] = $tag;

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}

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foreach ( $xml->xpath('/rss/channel/wp:term') as $term_arr ) {

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$t = $term_arr->children( $namespaces['wp'] );

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$term = array(

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'term_id' => (int) $t->term_id,

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'term_taxonomy' => (string) $t->term_taxonomy,

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'slug' => (string) $t->term_slug,

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'term_parent' => (string) $t->term_parent,

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'term_name' => (string) $t->term_name,

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'term_description' => (string) $t->term_description

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);

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foreach ( $t->termmeta as $meta ) {

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$term['termmeta'][] = array(

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'key' => (string) $meta->meta_key,

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'value' => (string) $meta->meta_value

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);

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}

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$terms[] = $term;

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}

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// grab posts

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foreach ( $xml->channel->item as $item ) {

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$post = array(

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'post_title' => (string) $item->title,

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'guid' => (string) $item->guid,

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);

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$dc = $item->children( 'http://purl.org/dc/elements/1.1/' );

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$post['post_author'] = (string) $dc->creator;

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$content = $item->children( 'http://purl.org/rss/1.0/modules/content/' );

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$excerpt = $item->children( $namespaces['excerpt'] );

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$post['post_content'] = (string) $content->encoded;

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$post['post_excerpt'] = (string) $excerpt->encoded;

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$wp = $item->children( $namespaces['wp'] );

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$post['post_id'] = (int) $wp->post_id;

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$post['post_date'] = (string) $wp->post_date;

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$post['post_date_gmt'] = (string) $wp->post_date_gmt;

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$post['comment_status'] = (string) $wp->comment_status;

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$post['ping_status'] = (string) $wp->ping_status;

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$post['post_name'] = (string) $wp->post_name;

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$post['status'] = (string) $wp->status;

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$post['post_parent'] = (int) $wp->post_parent;

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$post['menu_order'] = (int) $wp->menu_order;

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$post['post_type'] = (string) $wp->post_type;

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$post['post_password'] = (string) $wp->post_password;

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$post['is_sticky'] = (int) $wp->is_sticky;

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if ( isset($wp->attachment_url) )

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$post['attachment_url'] = (string) $wp->attachment_url;

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foreach ( $item->category as $c ) {

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$att = $c->attributes();

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if ( isset( $att['nicename'] ) )

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$post['terms'][] = array(

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'name' => (string) $c,

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'slug' => (string) $att['nicename'],

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'domain' => (string) $att['domain']

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);

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}

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foreach ( $wp->postmeta as $meta ) {

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$post['postmeta'][] = array(

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'key' => (string) $meta->meta_key,

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'value' => (string) $meta->meta_value

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);

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}

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foreach ( $wp->comment as $comment ) {

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$meta = array();

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if ( isset( $comment->commentmeta ) ) {

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foreach ( $comment->commentmeta as $m ) {

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$meta[] = array(

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'key' => (string) $m->meta_key,

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'value' => (string) $m->meta_value

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);

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}

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}

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$post['comments'][] = array(

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'comment_id' => (int) $comment->comment_id,

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'comment_author' => (string) $comment->comment_author,

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'comment_author_email' => (string) $comment->comment_author_email,

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'comment_author_IP' => (string) $comment->comment_author_IP,

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'comment_author_url' => (string) $comment->comment_author_url,

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'comment_date' => (string) $comment->comment_date,

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'comment_date_gmt' => (string) $comment->comment_date_gmt,

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'comment_content' => (string) $comment->comment_content,

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'comment_approved' => (string) $comment->comment_approved,

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'comment_type' => (string) $comment->comment_type,

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'comment_parent' => (string) $comment->comment_parent,

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'comment_user_id' => (int) $comment->comment_user_id,

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'commentmeta' => $meta,

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);

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}

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$posts[] = $post;

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}

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return array(

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'authors' => $authors,

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'posts' => $posts,

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'categories' => $categories,

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'tags' => $tags,

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'terms' => $terms,

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'base_url' => $base_url,

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'version' => $wxr_version

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);

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}

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}

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/**

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* WXR Parser that makes use of the XML Parser PHP extension.

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class WXR_Parser_XML {

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public $wp_tags = array(

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'wp:post_id', 'wp:post_date', 'wp:post_date_gmt', 'wp:comment_status', 'wp:ping_status', 'wp:attachment_url',

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'wp:status', 'wp:post_name', 'wp:post_parent', 'wp:menu_order', 'wp:post_type', 'wp:post_password',

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'wp:is_sticky', 'wp:term_id', 'wp:category_nicename', 'wp:category_parent', 'wp:cat_name', 'wp:category_description',

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'wp:tag_slug', 'wp:tag_name', 'wp:tag_description', 'wp:term_taxonomy', 'wp:term_parent',

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'wp:term_name', 'wp:term_description', 'wp:author_id', 'wp:author_login', 'wp:author_email', 'wp:author_display_name',

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'wp:author_first_name', 'wp:author_last_name',

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);

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public $wp_sub_tags = array(

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'wp:comment_id', 'wp:comment_author', 'wp:comment_author_email', 'wp:comment_author_url',

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'wp:comment_author_IP', 'wp:comment_date', 'wp:comment_date_gmt', 'wp:comment_content',

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'wp:comment_approved', 'wp:comment_type', 'wp:comment_parent', 'wp:comment_user_id',

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);

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public $wxr_version;

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public $in_post;

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public $cdata;

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public $data;

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public $sub_data;

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public $in_tag;

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public $in_sub_tag;

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public $authors;

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public $posts;

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public $term;

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public $category;

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public $tag;

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public $base_url;

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public $base_blog_url;

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function parse( $file ) {

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$this->wxr_version = $this->in_post = $this->cdata = $this->data = $this->sub_data = $this->in_tag = $this->in_sub_tag = false;

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$this->authors = $this->posts = $this->term = $this->category = $this->tag = array();

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$xml = xml_parser_create( 'UTF-8' );

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xml_parser_set_option( $xml, XML_OPTION_SKIP_WHITE, 1 );

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xml_parser_set_option( $xml, XML_OPTION_CASE_FOLDING, 0 );

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xml_set_object( $xml, $this );

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xml_set_character_data_handler( $xml, 'cdata' );

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xml_set_element_handler( $xml, 'tag_open', 'tag_close' );

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if ( ! xml_parse( $xml, file_get_contents( $file ), true ) ) { // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents

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$current_line = xml_get_current_line_number( $xml );

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$current_column = xml_get_current_column_number( $xml );

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$error_code = xml_get_error_code( $xml );

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$error_string = xml_error_string( $error_code );

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return new \WP_Error( 'XML_parse_error', 'There was an error when reading this WXR file', array( $current_line, $current_column, $error_string ) );

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}

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xml_parser_free( $xml );

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if ( ! preg_match( '/^\d+\.\d+$/', $this->wxr_version ) )

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return new \WP_Error( 'WXR_parse_error', __( 'This does not appear to be a WXR file, missing/invalid WXR version number', 'popup-builder' ) );

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return array(

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'authors' => $this->authors,

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'posts' => $this->posts,

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'categories' => $this->category,

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'tags' => $this->tag,

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'terms' => $this->term,

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'base_url' => $this->base_url,

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'version' => $this->wxr_version

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);

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}

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function tag_open( $parse, $tag, $attr ) {

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if ( in_array( $tag, $this->wp_tags ) ) {

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$this->in_tag = substr( $tag, 3 );

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return;

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}

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if ( in_array( $tag, $this->wp_sub_tags ) ) {

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$this->in_sub_tag = substr( $tag, 3 );

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return;

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}

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switch ( $tag ) {

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case 'category':

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if ( isset($attr['domain'], $attr['nicename']) ) {

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$this->sub_data['domain'] = $attr['domain'];

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$this->sub_data['slug'] = $attr['nicename'];

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}

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break;

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case 'item': $this->in_post = true;

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case 'title': if ( $this->in_post ) $this->in_tag = 'post_title'; break;

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case 'guid': $this->in_tag = 'guid'; break;

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case 'dc:creator': $this->in_tag = 'post_author'; break;

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case 'content:encoded': $this->in_tag = 'post_content'; break;

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case 'excerpt:encoded': $this->in_tag = 'post_excerpt'; break;

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case 'wp:term_slug': $this->in_tag = 'slug'; break;

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case 'wp:meta_key': $this->in_sub_tag = 'key'; break;

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case 'wp:meta_value': $this->in_sub_tag = 'value'; break;

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}

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}

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function cdata( $parser, $cdata ) {

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if ( ! trim( $cdata ) )

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return;

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if ( false !== $this->in_tag || false !== $this->in_sub_tag ) {

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$this->cdata .= $cdata;

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} else {

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$this->cdata .= trim( $cdata );

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}

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}

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function tag_close( $parser, $tag ) {

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switch ( $tag ) {

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case 'wp:comment':

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unset( $this->sub_data['key'], $this->sub_data['value'] ); // remove meta sub_data

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if ( ! empty( $this->sub_data ) )

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$this->data['comments'][] = $this->sub_data;

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$this->sub_data = false;

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break;

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case 'wp:commentmeta':

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$this->sub_data['commentmeta'][] = array(

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'key' => $this->sub_data['key'],

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'value' => $this->sub_data['value']

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);

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break;

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case 'category':

[390] Fix | Delete

if ( ! empty( $this->sub_data ) ) {

[391] Fix | Delete

$this->sub_data['name'] = $this->cdata;

[392] Fix | Delete

$this->data['terms'][] = $this->sub_data;

[393] Fix | Delete

}

[394] Fix | Delete

$this->sub_data = false;

[395] Fix | Delete

break;

[396] Fix | Delete

case 'wp:postmeta':

[397] Fix | Delete

if ( ! empty( $this->sub_data ) )

[398] Fix | Delete

$this->data['postmeta'][] = $this->sub_data;

[399] Fix | Delete

$this->sub_data = false;

[400] Fix | Delete

break;

[401] Fix | Delete

case 'item':

[402] Fix | Delete

$this->posts[] = $this->data;

[403] Fix | Delete

$this->data = false;

[404] Fix | Delete

break;

[405] Fix | Delete

case 'wp:category':

[406] Fix | Delete

case 'wp:tag':

[407] Fix | Delete

case 'wp:term':

[408] Fix | Delete

$n = substr( $tag, 3 );

[409] Fix | Delete

array_push( $this->$n, $this->data );

[410] Fix | Delete

$this->data = false;

[411] Fix | Delete

break;

[412] Fix | Delete

case 'wp:author':

[413] Fix | Delete

if ( ! empty($this->data['author_login']) )

[414] Fix | Delete

$this->authors[$this->data['author_login']] = $this->data;

[415] Fix | Delete

$this->data = false;

[416] Fix | Delete

break;

[417] Fix | Delete

case 'wp:base_site_url':

[418] Fix | Delete

$this->base_url = $this->cdata;

[419] Fix | Delete

break;

[420] Fix | Delete

case 'wp:wxr_version':

[421] Fix | Delete

$this->wxr_version = $this->cdata;

[422] Fix | Delete

break;

[423] Fix | Delete

[424] Fix | Delete

default:

[425] Fix | Delete

if ( $this->in_sub_tag ) {

[426] Fix | Delete

$this->sub_data[$this->in_sub_tag] = ! empty( $this->cdata ) ? $this->cdata : '';

[427] Fix | Delete

$this->in_sub_tag = false;

[428] Fix | Delete

} else if ( $this->in_tag ) {

[429] Fix | Delete

$this->data[$this->in_tag] = ! empty( $this->cdata ) ? $this->cdata : '';

[430] Fix | Delete

$this->in_tag = false;

[431] Fix | Delete

}

[432] Fix | Delete

}

[433] Fix | Delete

[434] Fix | Delete

$this->cdata = false;

[435] Fix | Delete

}

[436] Fix | Delete

}

[437] Fix | Delete

[438] Fix | Delete

/**

[439] Fix | Delete

* WXR Parser that uses regular expressions. Fallback for installs without an XML parser.

[440] Fix | Delete

[441] Fix | Delete

class WXR_Parser_Regex {

[442] Fix | Delete

public $authors = array();

[443] Fix | Delete

public $posts = array();

[444] Fix | Delete

public $categories = array();

[445] Fix | Delete

public $tags = array();

[446] Fix | Delete

public $terms = array();

[447] Fix | Delete

public $base_url = '';

[448] Fix | Delete

public $base_blog_url = '';

[449] Fix | Delete

public $has_gzip;

[450] Fix | Delete

function __construct() {

[451] Fix | Delete

$this->has_gzip = is_callable( 'gzopen' );

[452] Fix | Delete

}

[453] Fix | Delete

[454] Fix | Delete

function parse( $file ) {

[455] Fix | Delete

$wxr_version = $in_multiline = false;

[456] Fix | Delete

[457] Fix | Delete

$multiline_content = '';

[458] Fix | Delete

[459] Fix | Delete

$multiline_tags = array(

[460] Fix | Delete

'item' => array( 'posts', array( $this, 'process_post' ) ),

[461] Fix | Delete

'wp:category' => array( 'categories', array( $this, 'process_category' ) ),

[462] Fix | Delete

'wp:tag' => array( 'tags', array( $this, 'process_tag' ) ),

[463] Fix | Delete

'wp:term' => array( 'terms', array( $this, 'process_term' ) ),

[464] Fix | Delete

);

[465] Fix | Delete

[466] Fix | Delete

$fp = $this->fopen( $file, 'r' );

[467] Fix | Delete

if ( $fp ) {

[468] Fix | Delete

while ( ! $this->feof( $fp ) ) {

[469] Fix | Delete

$importline = rtrim( $this->fgets( $fp ) );

[470] Fix | Delete

[471] Fix | Delete

if ( ! $wxr_version && preg_match( '|<wp:wxr_version>(\d+\.\d+)</wp:wxr_version>|', $importline, $version ) )

[472] Fix | Delete

$wxr_version = $version[1];

[473] Fix | Delete

[474] Fix | Delete

if ( false !== strpos( $importline, '<wp:base_site_url>' ) ) {

[475] Fix | Delete

preg_match( '|<wp:base_site_url>(.*?)</wp:base_site_url>|is', $importline, $url );

[476] Fix | Delete

$this->base_url = $url[1];

[477] Fix | Delete

continue;

[478] Fix | Delete

}

[479] Fix | Delete

[480] Fix | Delete

if ( false !== strpos( $importline, '<wp:base_blog_url>' ) ) {

[481] Fix | Delete

preg_match( '|<wp:base_blog_url>(.*?)</wp:base_blog_url>|is', $importline, $blog_url );

[482] Fix | Delete

$this->base_blog_url = $blog_url[1];

[483] Fix | Delete

continue;

[484] Fix | Delete

} elseif ( empty( $this->base_blog_url ) ) {

[485] Fix | Delete

$this->base_blog_url = $this->base_url;

[486] Fix | Delete

}

[487] Fix | Delete

[488] Fix | Delete

if ( false !== strpos( $importline, '<wp:author>' ) ) {

[489] Fix | Delete

preg_match( '|<wp:author>(.*?)</wp:author>|is', $importline, $author );

[490] Fix | Delete

$a = $this->process_author( $author[1] );

[491] Fix | Delete

$this->authors[$a['author_login']] = $a;

[492] Fix | Delete

continue;

[493] Fix | Delete

}

[494] Fix | Delete

[495] Fix | Delete

foreach ( $multiline_tags as $tag => $handler ) {

[496] Fix | Delete

// Handle multi-line tags on a singular line

[497] Fix | Delete

if ( preg_match( '|<' . $tag . '>(.*?)</' . $tag . '>|is', $importline, $matches ) ) {

[498] Fix | Delete

$this->{$handler[0]}[] = call_user_func( $handler[1], $matches[1] );

[499] Fix | Delete