public $args;

private $validate_args = array();

private $required_args = array();

public $debug_mode = true;

// Import Vars

public $wxr_path = '';

public $blog_id = 0;

public $user_id = 0;

public $blog_address = 0;

public $export_args = array();

public function __construct() {

$this->args = $this->get_cli_arguments();

}

public function init() {

if ( !$this->validate_args() ) {

$this->debug_msg( "Problems with arguments" );

exit;

}

$this->dispatch();

}

public function dispatch() {

$this->debug_msg( "Starting Export" );

$this->wxr_path = $this->args->path;

$this->export_wp( $this->export_args );

}

public function stop_the_insanity() {

global $wpdb, $wp_object_cache;

$wpdb->queries = array(); // or define( 'WP_IMPORTING', true );

if ( !is_object( $wp_object_cache ) )

return;

$wp_object_cache->group_ops = array();

$wp_object_cache->stats = array();

$wp_object_cache->memcache_debug = array();

$wp_object_cache->cache = array();

if ( method_exists( $wp_object_cache, '__remoteset' ) )

$wp_object_cache->__remoteset(); // important

}

public function debug_msg( $msg ) {

$msg = date( "Y-m-d H:i:s : " ) . $msg;

if ( $this->debug_mode )

echo $msg . "\n";

else

error_log( $msg );

}

public function set_required_arg( $name, $description='' ) {

$this->required_args[$name] = $description;

}

public function set_argument_validation( $name_match, $value_match, $description='argument validation error' ) {

$this->validate_args[] = array( 'name_match' => $name_match, 'value_match' => $value_match, 'description' => $description );

}

private function validate_args() {

$result = true;

$this->debug_msg( "Validating arguments" );

if ( empty( $_SERVER['argv'][1] ) && !empty( $this->required_args ) ) {

$this->show_help();

$result = false;

} else {

foreach ( $this->required_args as $name => $description ) {

if ( !isset( $this->args->$name ) ) {

$this->raise_required_argument_error( $name, $description );

$result = false;

}

}

}

foreach ( $this->validate_args as $validator ) {

foreach ( $this->args as $name => $value ) {

$name_match_result = preg_match( $validator['name_match'], $name );

if ( ! $name_match_result ) {

continue;

} else {

$value_match_result = $this->dispatch_argument_validator( $validator['value_match'], $value );

if ( ! $value_match_result ) {

$this->raise_argument_error( $name, $value, $validator );

$result = false;

continue;

}

}

}

}

return $result;

}

private function dispatch_argument_validator( $match, $value ) {

$match_result = false;

if ( is_callable( array( &$this, $match ) ) ) {

$_match_result = call_user_func( array( &$this, $match ), $value );

} else if ( is_callable( $match ) ) {

$_match_result = call_user_func( $match, $value );

} else {

$_match_result = preg_match( $match, $value );

}

return $_match_result;

}

private function raise_argument_error( $name, $value, $validator ) {

printf( "Validation of %s with value %s failed: %s\n", $name, $value, $validator['description'] );

}

private function raise_required_argument_error( $name, $description ) {

printf( "Argument --%s is required: %s\n", $name, $description );

}

private function show_help() {

$example = "php " . __FILE__ . " --blog=blogname --path=/tmp/ --user=admin [--start_date=2011-01-01] --end_date=2011-12-31] [--post_type=post] [--author=admin] [--category=Uncategorized] [--post_status=publish] [--skip_comments=1] [--file_item_count=1000]";

printf( "Please call the script with the following arguments: \n%s\n", $example );

foreach ( $this->required_args as $name => $description )

$msg .= $this->raise_required_argument_error( $name, $description );

}

private function cli_init_blog( $blog ) {

if ( is_multisite() ) {

if ( is_numeric( $blog ) ) {

$blog_address = get_blogaddress_by_id( (int) $blog );

} else {

$blog_address = get_blogaddress_by_name( $blog );

}

if ( $blog_address == 'http://' || strstr( $blog_address, 'wordpress.com.wordpress.com' ) ) {

$this->debug_msg( sprintf( "the blog_address received from %s looks weird: %s", $blog, $blog_address ) );

return false;

}

$blog_address = str_replace( 'http://', '', $blog_address );

$blog_address = preg_replace( '#/$#', '', $blog_address );

$blog_id = get_blog_id_from_url( $blog_address );

} else {

$blog_id = 1;

}

$home_url = str_replace( 'http://', '', get_home_url( $blog_id ) );

$home_url = preg_replace( '#/$#', '', $home_url );

$this->blog_address = $home_url;

if ( $blog_id > 0 ) {

$this->debug_msg( sprintf( "the blog_address we found is %s (%d)", $this->blog_address, $blog_id ) );

$this->args->blog = $blog_id;

if ( function_exists( 'is_multisite' ) && is_multisite() )

switch_to_blog( (int) $blog_id );

$this->blog_id = (int) $blog_id;

return true;

} else {

$this->debug_msg( sprintf( "could not get a blog_id for this address: %s", var_export( $blog_id, true ) ) );

die();

}

}

private function cli_set_user( $user_id ) {

if ( is_numeric( $user_id ) ) {

$user_id = (int) $user_id;

} else {

$user_id = (int) username_exists( $user_id );

}

if ( !$user_id || !wp_set_current_user( $user_id ) ) {

$this->debug_msg( sprintf( "could not get a user_id for this user: %s", var_export( $user_id, true ) ) );

die();

}

$current_user = wp_get_current_user();

$this->user_id = (int) $user_id;

return $user_id;

}

private function get_cli_arguments() {

$_ARG = new StdClass;

$argv = $_SERVER['argv'];

array_shift( $argv );

foreach ( $argv as $arg ) {

if ( preg_match( '#--([^=]+)=(.*)#', $arg, $reg ) )

$_ARG->$reg[1] = $reg[2];

elseif ( preg_match( '#-([a-zA-Z0-9])#', $arg, $reg ) )

$_ARG->$reg[1] = 'true';

}

return $_ARG;

}

private function export_wp( $args = array() ) {

global $wpdb, $post;

/**

* Wrap given string in XML CDATA tag.

*

* @since 2.1.0

*

* @param string $str String to wrap in XML CDATA tag.

*/

function wxr_cdata( $str ) {

if ( seems_utf8( $str ) == false )

$str = utf8_encode( $str );

// $str = ent2ncr(esc_html($str));

$str = '<![CDATA[' . str_replace( ']]>', ']]]]><![CDATA[>', $str ) . ']]>';

return $str;

}

/**

* Return the URL of the site

*

* @since 2.5.0

*

* @return string Site URL.

*/

function wxr_site_url() {

// ms: the base url

if ( is_multisite() )

return network_home_url();

// wp: the blog url

else

return get_bloginfo_rss( 'url' );

}

/**

* Output a cat_name XML tag from a given category object

*

* @since 2.1.0

*

* @param object $category Category Object

*/

function wxr_cat_name( $category ) {

if ( empty( $category->name ) )

return;

echo '<wp:cat_name>' . wxr_cdata( $category->name ) . '</wp:cat_name>';

}

/**

* Output a category_description XML tag from a given category object

*

* @since 2.1.0

*

* @param object $category Category Object

*/

function wxr_category_description( $category ) {

if ( empty( $category->description ) )

return;

echo '<wp:category_description>' . wxr_cdata( $category->description ) . '</wp:category_description>';

}

/**

* Output a tag_name XML tag from a given tag object

*

* @since 2.3.0

*

* @param object $tag Tag Object

*/

function wxr_tag_name( $tag ) {

if ( empty( $tag->name ) )

return;

echo '<wp:tag_name>' . wxr_cdata( $tag->name ) . '</wp:tag_name>';

}

/**

* Output a tag_description XML tag from a given tag object

*

* @since 2.3.0

*

* @param object $tag Tag Object

*/

function wxr_tag_description( $tag ) {

if ( empty( $tag->description ) )

return;

echo '<wp:tag_description>' . wxr_cdata( $tag->description ) . '</wp:tag_description>';

}

/**

* Output a term_name XML tag from a given term object

*

* @since 2.9.0

*

* @param object $term Term Object

*/

function wxr_term_name( $term ) {

if ( empty( $term->name ) )

return;

echo '<wp:term_name>' . wxr_cdata( $term->name ) . '</wp:term_name>';

}

/**

* Output a term_description XML tag from a given term object

*

* @since 2.9.0

*

* @param object $term Term Object

*/

function wxr_term_description( $term ) {

if ( empty( $term->description ) )

return;

echo '<wp:term_description>' . wxr_cdata( $term->description ) . '</wp:term_description>';

}

/**

* Output list of authors with posts

*

* @since 3.1.0

*/

function wxr_authors_list() {

global $wpdb;

$authors = array();

$results = $wpdb->get_results( "SELECT DISTINCT post_author FROM $wpdb->posts" );

foreach ( (array) $results as $result )

$authors[] = get_userdata( $result->post_author );

$authors = array_filter( $authors );

foreach ( $authors as $author ) {

echo "\t<wp:author>";

echo '<wp:author_id>' . $author->ID . '</wp:author_id>';

echo '<wp:author_login>' . $author->user_login . '</wp:author_login>';

echo '<wp:author_email>' . $author->user_email . '</wp:author_email>';

echo '<wp:author_display_name>' . wxr_cdata( $author->display_name ) . '</wp:author_display_name>';

echo '<wp:author_first_name>' . wxr_cdata( $author->user_firstname ) . '</wp:author_first_name>';

echo '<wp:author_last_name>' . wxr_cdata( $author->user_lastname ) . '</wp:author_last_name>';

echo "</wp:author>\n";

}

}

/**

* Ouput all navigation menu terms

*

* @since 3.1.0

*/

function wxr_nav_menu_terms() {

$nav_menus = wp_get_nav_menus();

if ( empty( $nav_menus ) || ! is_array( $nav_menus ) )

return;

foreach ( $nav_menus as $menu ) {

echo "\t<wp:term><wp:term_id>{$menu->term_id}</wp:term_id><wp:term_taxonomy>nav_menu</wp:term_taxonomy><wp:term_slug>{$menu->slug}</wp:term_slug>";

wxr_term_name( $menu );

echo "</wp:term>\n";

}

}

/**

* Output list of taxonomy terms, in XML tag format, associated with a post

*

* @since 2.3.0

*/

function wxr_post_taxonomy() {

global $post;

$taxonomies = get_object_taxonomies( $post->post_type );

if ( empty( $taxonomies ) )

return;

$terms = wp_get_object_terms( $post->ID, $taxonomies );

foreach ( (array) $terms as $term ) {

echo "\t\t<category domain=\"{$term->taxonomy}\" nicename=\"{$term->slug}\">" . wxr_cdata( $term->name ) . "</category>\n";

}

}

function wxr_filter_postmeta( $return_me, $meta_key ) {

// We ignore the attachment metadata on import so no point in exporting it

if ( in_array( $meta_key, array( '_edit_lock', '_wp_attachment_metadata', '_wp_attached_file' ) ) )

$return_me = true;

return $return_me;

}

add_filter( 'wxr_export_skip_postmeta', 'wxr_filter_postmeta', 10, 2 );

// now we can use the functions we need.

$this->debug_msg( "Initialized all functions we need" );

/**

* This is mostly the original code of export_wp defined in wp-admin/includes/export.php

*/

$defaults = array( 'post_type' => 'all', 'author' => false, 'category' => false,

'start_date' => false, 'end_date' => false, 'status' => false, 'skip_comments' => false, 'file_item_count' => 1000,

);

$args = wp_parse_args( $args, $defaults );

$this->debug_msg( "Exporting with export_wp with arguments: " . var_export( $args, true ) );

do_action( 'export_wp' );

if ( 'all' != $args['post_type'] && post_type_exists( $args['post_type'] ) ) {

$ptype = get_post_type_object( $args['post_type'] );

if ( ! $ptype->can_export )

$args['post_type'] = 'post';

$where = $wpdb->prepare( "{$wpdb->posts}.post_type = %s", $args['post_type'] );

} else {

$post_types = get_post_types( array( 'can_export' => true ) );

$esses = array_fill( 0, count( $post_types ), '%s' );

$where = $wpdb->prepare( "{$wpdb->posts}.post_type IN (" . implode( ',', $esses ) . ')', $post_types );

}

if ( $args['status'] && ( 'post' == $args['post_type'] || 'page' == $args['post_type'] ) )

$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_status = %s", $args['status'] );

else

$where .= " AND {$wpdb->posts}.post_status != 'auto-draft'";

$join = '';

if ( $args['category'] && 'post' == $args['post_type'] ) {

if ( $term = term_exists( $args['category'], 'category' ) ) {

$join = "INNER JOIN {$wpdb->term_relationships} ON ({$wpdb->posts}.ID = {$wpdb->term_relationships}.object_id)";

$where .= $wpdb->prepare( " AND {$wpdb->term_relationships}.term_taxonomy_id = %d", $term['term_taxonomy_id'] );

}

}

// Check that the author is a valid author and use it if so

if ( $args['author'] ) {

if ( is_numeric( $args['author'] ) )

$author = get_user_by( 'id', $args['author'] );

else

$author = get_user_by( 'login', $args['author'] );

if ( $author && !is_wp_error( $author ) )

$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_author = %d", $author->ID );

}

if ( $args['start_date'] )

$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_date >= %s", date( 'Y-m-d 00:00:00', strtotime( $args['start_date'] ) ) );

if ( $args['end_date'] )

$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_date <= %s", date( 'Y-m-d 23:59:59', strtotime( $args['end_date'] ) ) );

if ($args['start_id'])

$where .= $wpdb->prepare( " AND {$wpdb->posts}.ID > %d", $args['start_id'] );

// grab a snapshot of post IDs, just in case it changes during the export

$all_the_post_ids = $wpdb->get_col( "SELECT ID FROM {$wpdb->posts} $join WHERE $where ORDER BY post_date ASC, post_parent ASC" );

// Get attachments for posts if we're not doing an all lookup

if ( 'all' != $args['post_type'] ) {

$attachment_ids = $wpdb->get_col( "SELECT ID FROM {$wpdb->posts} WHERE post_type = 'attachment' AND post_parent IN (". implode( ",", array_map( 'intval', $all_the_post_ids ) ) .")" );

$all_the_post_ids = array_merge( $all_the_post_ids, $attachment_ids );

}

// get the requested terms ready, empty unless posts filtered by category or all post_types

$cats = $tags = $terms = array();

if ( isset( $term ) && $term ) {

$cat = get_term( $term['term_id'], 'category' );

$cats = array( $cat->term_id => $cat );

unset( $term, $cat );

} else if ( 'all' == $args['post_type'] ) {

$categories = (array) get_categories( array( 'get' => 'all' ) );

$tags = (array) get_tags( array( 'get' => 'all' ) );

$custom_taxonomies = get_taxonomies( array( '_builtin' => false ) );

$custom_terms = (array) get_terms( $custom_taxonomies, array( 'get' => 'all' ) );

// put categories in order with no child going before its parent

while ( $cat = array_shift( $categories ) ) {

if ( $cat->parent == 0 || isset( $cats[$cat->parent] ) )

$cats[$cat->term_id] = $cat;

else

$categories[] = $cat;

}

// put terms in order with no child going before its parent

while ( $t = array_shift( $custom_terms ) ) {

if ( $t->parent == 0 || isset( $terms[$t->parent] ) )

$terms[$t->term_id] = $t;

else

$custom_terms[] = $t;

}

unset( $categories, $custom_taxonomies, $custom_terms );

}

$this->debug_msg( 'Exporting ' . count( $all_the_post_ids ) . ' items to be broken into ' . ceil( count( $all_the_post_ids ) / $args['file_item_count'] ) . ' files' );

$this->debug_msg( 'Exporting ' . count( $cats ) . ' categories' );

$this->debug_msg( 'Exporting ' . count( $tags ) . ' tags' );

$this->debug_msg( 'Exporting ' . count( $terms ) . ' terms' );

$sitename = sanitize_key( get_bloginfo( 'name' ) );

if ( ! empty( $sitename ) )

$sitename .= '.';

$append = array( date( 'Y-m-d' ) );

foreach( array_keys( $args ) as $arg_key ) {

if ( $defaults[$arg_key] <> $args[$arg_key] )

$append[]= "$arg_key-" . (string) sanitize_key( $args[$arg_key] );

}

$file_name_base = $sitename . 'wordpress.' . implode( ".", $append );

$file_count = 1;

while ( $post_ids = array_splice( $all_the_post_ids, 0, $args['file_item_count'] ) ) {

$full_path = trailingslashit( $this->wxr_path ) . $file_name_base . '.' . str_pad( $file_count, 3, '0', STR_PAD_LEFT ) . '.xml';

// Create the file if it doesn't exist

if ( ! file_exists( $full_path ) ) {

touch( $full_path );

$this->debug_msg( 'Created file ' . $full_path );

}

if ( ! file_exists( $full_path ) ) {

$this->debug_msg( "Failed to create file " . $full_path );

exit;

}

$this->debug_msg( 'Writing to file ' . $full_path );

$this->start_export();

echo '<?xml version="1.0" encoding="' . get_bloginfo( 'charset' ) . "\" ?>\n";

?>

<!-- This is a WordPress eXtended RSS file generated by WordPress as an export of your site. -->

<!-- It contains information about your site's posts, pages, comments, categories, and other content. -->

<!-- You may use this file to transfer that content from one site to another. -->

<!-- This file is not intended to serve as a complete backup of your site. -->

<!-- To import this information into a WordPress site follow these steps: -->

<!-- 1. Log in to that site as an administrator. -->

<!-- 2. Go to Tools: Import in the WordPress admin panel. -->

<!-- 3. Install the "WordPress" importer from the list. -->

<!-- 4. Activate & Run Importer. -->

<!-- 5. Upload this file using the form provided on that page. -->

<!-- 6. You will first be asked to map the authors in this export file to users -->

<!-- on the site. For each author, you may choose to map to an -->

<!-- existing user on the site or to create a new user. -->

<!-- 7. WordPress will then import each of the posts, pages, comments, categories, etc. -->

<!-- contained in this file into your site. -->

<?php the_generator( 'export' ); ?>

<rss version="2.0"

xmlns:excerpt="http://wordpress.org/export/<?php echo WXR_VERSION; ?>/excerpt/"

xmlns:content="http://purl.org/rss/1.0/modules/content/"

xmlns:wfw="http://wellformedweb.org/CommentAPI/"

xmlns:dc="http://purl.org/dc/elements/1.1/"

xmlns:wp="http://wordpress.org/export/<?php echo WXR_VERSION; ?>/"

>

<channel>

<title><?php bloginfo_rss( 'name' ); ?></title>

<link><?php bloginfo_rss( 'url' ); ?></link>

<description><?php bloginfo_rss( 'description' ); ?></description>

<pubDate><?php echo date( 'D, d M Y H:i:s +0000' ); ?></pubDate>

<language><?php echo get_option( 'rss_language' ); ?></language>

<wp:wxr_version><?php echo WXR_VERSION; ?></wp:wxr_version>

<wp:base_site_url><?php echo wxr_site_url(); ?></wp:base_site_url>

<wp:base_blog_url><?php bloginfo_rss( 'url' ); ?></wp:base_blog_url>

<?php wxr_authors_list(); ?>

<?php foreach ( $cats as $c ) : ?>

<wp:category><wp:term_id><?php echo $c->term_id ?></wp:term_id><wp:category_nicename><?php echo $c->slug; ?></wp:category_nicename><wp:category_parent><?php echo $c->parent ? $cats[$c->parent]->slug : ''; ?></wp:category_parent><?php wxr_cat_name( $c ); ?><?php wxr_category_description( $c ); ?></wp:category>

<?php endforeach; ?>

<?php foreach ( $tags as $t ) : ?>

<wp:tag><wp:term_id><?php echo $t->term_id ?></wp:term_id><wp:tag_slug><?php echo $t->slug; ?></wp:tag_slug><?php wxr_tag_name( $t ); ?><?php wxr_tag_description( $t ); ?></wp:tag>

<?php endforeach; ?>

<?php foreach ( $terms as $t ) : ?>

<wp:term><wp:term_id><?php echo $t->term_id ?></wp:term_id><wp:term_taxonomy><?php echo $t->taxonomy; ?></wp:term_taxonomy><wp:term_slug><?php echo $t->slug; ?></wp:term_slug><wp:term_parent><?php echo $t->parent ? $terms[$t->parent]->slug : ''; ?></wp:term_parent><?php wxr_term_name( $t ); ?><?php wxr_term_description( $t ); ?></wp:term>

<?php endforeach; ?>

<?php if ( 'all' == $args['post_type'] ) wxr_nav_menu_terms(); ?>

<?php do_action( 'rss2_head' ); ?>

<?php

$this->flush_export( $full_path, false );

?>

<?php if ( $post_ids ) {

global $wp_query;

$wp_query->in_the_loop = true; // Fake being in the loop.

// fetch 20 posts at a time rather than loading the entire table into memory

while ( $next_posts = array_splice( $post_ids, 0, 20 ) ) {

$where = 'WHERE ID IN (' . join( ',', $next_posts ) . ')';

$posts = $wpdb->get_results( "SELECT * FROM {$wpdb->posts} $where" );

// Begin Loop

foreach ( $posts as $post ) {

setup_postdata( $post );

$is_sticky = is_sticky( $post->ID ) ? 1 : 0;

?>

<item>

<title><?php echo apply_filters( 'the_title_rss', $post->post_title ); ?></title>

<link><?php the_permalink_rss() ?></link>

<pubDate><?php echo mysql2date( 'D, d M Y H:i:s +0000', get_post_time( 'Y-m-d H:i:s', true ), false ); ?></pubDate>

<dc:creator><?php echo get_the_author_meta( 'login' ); ?></dc:creator>

<guid isPermaLink="false"><?php esc_url( the_guid() ); ?></guid>

<description></description>

<content:encoded><?php echo wxr_cdata( apply_filters( 'the_content_export', $post->post_content ) ); ?></content:encoded>

<excerpt:encoded><?php echo wxr_cdata( apply_filters( 'the_excerpt_export', $post->post_excerpt ) ); ?></excerpt:encoded>

<wp:post_id><?php echo $post->ID; ?></wp:post_id>

<wp:post_date><?php echo $post->post_date; ?></wp:post_date>

<wp:post_date_gmt><?php echo $post->post_date_gmt; ?></wp:post_date_gmt>

<wp:comment_status><?php echo $post->comment_status; ?></wp:comment_status>

<wp:ping_status><?php echo $post->ping_status; ?></wp:ping_status>

<wp:post_name><?php echo $post->post_name; ?></wp:post_name>

<wp:status><?php echo $post->post_status; ?></wp:status>

<wp:post_parent><?php echo $post->post_parent; ?></wp:post_parent>

<wp:menu_order><?php echo $post->menu_order; ?></wp:menu_order>

<wp:post_type><?php echo $post->post_type; ?></wp:post_type>

<wp:post_password><?php echo $post->post_password; ?></wp:post_password>

<wp:is_sticky><?php echo $is_sticky; ?></wp:is_sticky>

<?php if ( $post->post_type == 'attachment' ) : ?>

<wp:attachment_url><?php echo wp_get_attachment_url( $post->ID ); ?></wp:attachment_url>

<?php endif; ?>

<?php wxr_post_taxonomy(); ?>

<?php $postmeta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->postmeta WHERE post_id = %d", $post->ID ) );

foreach ( $postmeta as $meta ) :

if ( apply_filters( 'wxr_export_skip_postmeta', false, $meta->meta_key, $meta ) )

continue;

?>

<wp:postmeta>

<wp:meta_key><?php echo $meta->meta_key; ?></wp:meta_key>

<wp:meta_value><?php echo wxr_cdata( $meta->meta_value ); ?></wp:meta_value>

</wp:postmeta>

<?php endforeach; ?>

<?php if ( false === $args['skip_comments'] ): ?>

<?php $comments = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved <> 'spam'", $post->ID ) );

foreach ( $comments as $c ) : ?>

<wp:comment>

<wp:comment_id><?php echo $c->comment_ID; ?></wp:comment_id>

<wp:comment_author><?php echo wxr_cdata( $c->comment_author ); ?></wp:comment_author>

<wp:comment_author_email><?php echo $c->comment_author_email; ?></wp:comment_author_email>

<wp:comment_author_url><?php echo esc_url_raw( $c->comment_author_url ); ?></wp:comment_author_url>

<wp:comment_author_IP><?php echo $c->comment_author_IP; ?></wp:comment_author_IP>

<wp:comment_date><?php echo $c->comment_date; ?></wp:comment_date>

<wp:comment_date_gmt><?php echo $c->comment_date_gmt; ?></wp:comment_date_gmt>

<wp:comment_content><?php echo wxr_cdata( $c->comment_content ); ?></wp:comment_content>

<wp:comment_approved><?php echo $c->comment_approved; ?></wp:comment_approved>

<wp:comment_type><?php echo $c->comment_type; ?></wp:comment_type>

<wp:comment_parent><?php echo $c->comment_parent; ?></wp:comment_parent>

<wp:comment_user_id><?php echo $c->user_id; ?></wp:comment_user_id>

<?php $c_meta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->commentmeta WHERE comment_id = %d", $c->comment_ID ) );

foreach ( $c_meta as $meta ) : ?>

<wp:commentmeta>

<wp:meta_key><?php echo $meta->meta_key; ?></wp:meta_key>

<wp:meta_value><?php echo wxr_cdata( $meta->meta_value ); ?></wp:meta_value>

</wp:commentmeta>

<?php endforeach; ?>

</wp:comment>

<?php endforeach; ?>

<?php endif; ?>

</item>

<?php

$this->flush_export( $full_path );

}

}

} ?>

</channel>

</rss>

<?php

$this->flush_export( $full_path );

$this->end_export();

$this->stop_the_insanity();

$file_count++;

}

$this->debug_msg( 'All done!' );

}

private function start_export() {

ob_start();

}

private function end_export() {

ob_end_clean();

}

private function flush_export( $file_path, $append = true ) {

$result = ob_get_clean();

if ( $append )

$append = FILE_APPEND;

file_put_contents( $file_path, $result, $append );

$this->start_export();

}

private function check_start_date( $date ) {

$time = strtotime( $date );

if ( !empty( $date ) && !$time ) {

return false;

}

$this->export_args['start_date'] = date( 'Y-m-d', $time );

return true;

}

private function check_end_date( $date ) {

$time = strtotime( $date );

if ( !empty( $date ) && !$time ) {

return false;

}

$this->export_args['end_date'] = date( 'Y-m-d', $time );

return true;

}

private function check_start_id( $id ) {

if ( !is_numeric( $id ) ) {

return false;

}

$this->export_args['start_id'] = intval( $id );

return true;

}

private function check_post_type( $post_type ) {

$post_types = get_post_types();

if ( !in_array( $post_type, $post_types ) ) {

$this->debug_msg( 'The post type ' . $post_type . ' does not exists. Choose "all" or any of these instead: ' . var_export( $post_types, true ) );

return false;

}

$this->export_args['post_type'] = $post_type;

return true;

}

private function check_author( $author ) {

$authors = get_users_of_blog();

if ( empty( $authors ) || is_wp_error( $authors ) ) {

$this->debug_msg( 'Could not find any authors in this blog' );

return false;

}

$hit = false;

foreach( $authors as $user ) {

if ( $hit )

break;

if ( (int) $author == $user->ID || $author == $user->user_login )

$hit = $user->ID;

}

if ( false === $hit ) {

$this->debug_msg( 'Could not find a matching author for ' . $author . '. The following authors exist: ' . var_export( $authors, true ) );

return false;

}

$this->export_args['author'] = $hit;

return true;

}

private function check_category( $category ) {

$term = category_exists( $category );

if ( empty( $term ) || is_wp_error( $term ) ) {

$this->debug_msg( 'Could not find a category matching ' . $category );

return false;

}

$this->export_args['category'] = $category;

return true;

}

private function check_status( $status ) {

$stati = get_post_statuses();

if ( empty( $stati ) || is_wp_error( $stati ) ) {

$this->debug_msg( 'Could not find any post stati' );

return false;

}

if ( !isset( $stati[$status] ) ) {

$this->debug_msg( 'There is no such post_status: ' . $status . '. Here is a list of available stati: ' . var_export( $stati, true ) );

return false;

}

$this->export_args['status'] = $status;

return true;

}

private function check_skip_comments( $skip ) {

if ( (int) $skip <> 0 && (int) $skip <> 1 ) {

$this->debug_msg( "skip_comments needs to be 0 (no) or 1 (yes)" );

return false;

}

$this->export_args['skip_comments'] = $skip;

return true;

}

private function check_file_item_count( $file_item_count ) {

$file_item_count = intval( $file_item_count );

if ( $file_item_count <= 1 ) {

$this->debug_msg( "file_item_count needs to be a valid integer larger than 1" );

return false;

}

$this->export_args['file_item_count'] = $file_item_count;

return true;

}