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Kavalar
2024-05-20 15:37:46 +03:00
commit 00b7dbd0b7
10404 changed files with 3285853 additions and 0 deletions
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1496
wp-content/plugins/wordpress-importer/class-wp-import.php Normal file
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wp-content/plugins/wordpress-importer/compat.php Normal file
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<?php
/**
* Implementation for WordPress functions missing in older WordPress versions.
*
* @package WordPress
* @subpackage Importer
*/
if ( ! function_exists( 'wp_slash_strings_only' ) ) {
/**
* Adds slashes to only string values in an array of values.
*
* Compat for WordPress < 5.3.0.
*
* @since 0.7.0
*
* @param mixed $value Scalar or array of scalars.
* @return mixed Slashes $value
*/
function wp_slash_strings_only( $value ) {
return map_deep( $value, 'addslashes_strings_only' );
}
}
if ( ! function_exists( 'addslashes_strings_only' ) ) {
/**
* Adds slashes only if the provided value is a string.
*
* Compat for WordPress < 5.3.0.
*
* @since 0.7.0
*
* @param mixed $value
* @return mixed
*/
function addslashes_strings_only( $value ) {
return is_string( $value ) ? addslashes( $value ) : $value;
}
}

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wp-content/plugins/wordpress-importer/parsers.php Normal file
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<?php
/**
* WordPress eXtended RSS file parser implementations
*
* @package WordPress
* @subpackage Importer
*/
_deprecated_file( basename( __FILE__ ), '0.7.0' );
/** WXR_Parser class */
require_once dirname( __FILE__ ) . '/parsers/class-wxr-parser.php';
/** WXR_Parser_SimpleXML class */
require_once dirname( __FILE__ ) . '/parsers/class-wxr-parser-simplexml.php';
/** WXR_Parser_XML class */
require_once dirname( __FILE__ ) . '/parsers/class-wxr-parser-xml.php';
/** WXR_Parser_Regex class */
require_once dirname( __FILE__ ) . '/parsers/class-wxr-parser-regex.php';

348
wp-content/plugins/wordpress-importer/parsers/class-wxr-parser-regex.php Normal file
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<?php
/**
* WordPress eXtended RSS file parser implementations
*
* @package WordPress
* @subpackage Importer
*/
/**
* WXR Parser that uses regular expressions. Fallback for installs without an XML parser.
*/
class WXR_Parser_Regex {
public $authors = array();
public $posts = array();
public $categories = array();
public $tags = array();
public $terms = array();
public $base_url = '';
public $base_blog_url = '';
public $has_gzip;
function __construct() {
$this->has_gzip = is_callable( 'gzopen' );
}
function parse( $file ) {
$wxr_version = false;
$in_multiline = false;
$multiline_content = '';
$multiline_tags = array(
'item' => array( 'posts', array( $this, 'process_post' ) ),
'wp:category' => array( 'categories', array( $this, 'process_category' ) ),
'wp:tag' => array( 'tags', array( $this, 'process_tag' ) ),
'wp:term' => array( 'terms', array( $this, 'process_term' ) ),
);
$fp = $this->fopen( $file, 'r' );
if ( $fp ) {
while ( ! $this->feof( $fp ) ) {
$is_tag_line = false;
$importline = rtrim( $this->fgets( $fp ) );
if ( ! $wxr_version && preg_match( '|<wp:wxr_version>(\d+\.\d+)</wp:wxr_version>|', $importline, $version ) ) {
$wxr_version = $version[1];
}
if ( false !== strpos( $importline, '<wp:base_site_url>' ) ) {
preg_match( '|<wp:base_site_url>(.*?)</wp:base_site_url>|is', $importline, $url );
$this->base_url = $url[1];
continue;
}
if ( false !== strpos( $importline, '<wp:base_blog_url>' ) ) {
preg_match( '|<wp:base_blog_url>(.*?)</wp:base_blog_url>|is', $importline, $blog_url );
$this->base_blog_url = $blog_url[1];
continue;
} elseif ( empty( $this->base_blog_url ) ) {
$this->base_blog_url = $this->base_url;
}
if ( false !== strpos( $importline, '<wp:author>' ) ) {
preg_match( '|<wp:author>(.*?)</wp:author>|is', $importline, $author );
$a = $this->process_author( $author[1] );
$this->authors[ $a['author_login'] ] = $a;
continue;
}
foreach ( $multiline_tags as $tag => $handler ) {
// Handle multi-line tags on a singular line
$pos = strpos( $importline, "<$tag>" );
$pos_closing = strpos( $importline, "</$tag>" );
if ( preg_match( '|<' . $tag . '>(.*?)</' . $tag . '>|is', $importline, $matches ) ) {
$this->{$handler[0]}[] = call_user_func( $handler[1], $matches[1] );
} elseif ( false !== $pos ) {
// Take note of any content after the opening tag
$multiline_content = trim( substr( $importline, $pos + strlen( $tag ) + 2 ) );
// We don't want to have this line added to `$is_multiline` below.
$in_multiline = $tag;
$is_tag_line = true;
} elseif ( false !== $pos_closing ) {
$in_multiline = false;
$multiline_content .= trim( substr( $importline, 0, $pos_closing ) );
$this->{$handler[0]}[] = call_user_func( $handler[1], $multiline_content );
}
}
if ( $in_multiline && ! $is_tag_line ) {
$multiline_content .= $importline . "\n";
}
}
$this->fclose( $fp );
}
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' ) );
}
return array(
'authors' => $this->authors,
'posts' => $this->posts,
'categories' => $this->categories,
'tags' => $this->tags,
'terms' => $this->terms,
'base_url' => $this->base_url,
'base_blog_url' => $this->base_blog_url,
'version' => $wxr_version,
);
}
function get_tag( $string, $tag ) {
preg_match( "|<$tag.*?>(.*?)</$tag>|is", $string, $return );
if ( isset( $return[1] ) ) {
if ( substr( $return[1], 0, 9 ) == '<![CDATA[' ) {
if ( strpos( $return[1], ']]]]><![CDATA[>' ) !== false ) {
preg_match_all( '|<!\[CDATA\[(.*?)\]\]>|s', $return[1], $matches );
$return = '';
foreach ( $matches[1] as $match ) {
$return .= $match;
}
} else {
$return = preg_replace( '|^<!\[CDATA\[(.*)\]\]>$|s', '$1', $return[1] );
}
} else {
$return = $return[1];
}
} else {
$return = '';
}
return $return;
}
function process_category( $c ) {
$term = array(
'term_id' => $this->get_tag( $c, 'wp:term_id' ),
'cat_name' => $this->get_tag( $c, 'wp:cat_name' ),
'category_nicename' => $this->get_tag( $c, 'wp:category_nicename' ),
'category_parent' => $this->get_tag( $c, 'wp:category_parent' ),
'category_description' => $this->get_tag( $c, 'wp:category_description' ),
);
$term_meta = $this->process_meta( $c, 'wp:termmeta' );
if ( ! empty( $term_meta ) ) {
$term['termmeta'] = $term_meta;
}
return $term;
}
function process_tag( $t ) {
$term = array(
'term_id' => $this->get_tag( $t, 'wp:term_id' ),
'tag_name' => $this->get_tag( $t, 'wp:tag_name' ),
'tag_slug' => $this->get_tag( $t, 'wp:tag_slug' ),
'tag_description' => $this->get_tag( $t, 'wp:tag_description' ),
);
$term_meta = $this->process_meta( $t, 'wp:termmeta' );
if ( ! empty( $term_meta ) ) {
$term['termmeta'] = $term_meta;
}
return $term;
}
function process_term( $t ) {
$term = array(
'term_id' => $this->get_tag( $t, 'wp:term_id' ),
'term_taxonomy' => $this->get_tag( $t, 'wp:term_taxonomy' ),
'slug' => $this->get_tag( $t, 'wp:term_slug' ),
'term_parent' => $this->get_tag( $t, 'wp:term_parent' ),
'term_name' => $this->get_tag( $t, 'wp:term_name' ),
'term_description' => $this->get_tag( $t, 'wp:term_description' ),
);
$term_meta = $this->process_meta( $t, 'wp:termmeta' );
if ( ! empty( $term_meta ) ) {
$term['termmeta'] = $term_meta;
}
return $term;
}
function process_meta( $string, $tag ) {
$parsed_meta = array();
preg_match_all( "|<$tag>(.+?)</$tag>|is", $string, $meta );
if ( ! isset( $meta[1] ) ) {
return $parsed_meta;
}
foreach ( $meta[1] as $m ) {
$parsed_meta[] = array(
'key' => $this->get_tag( $m, 'wp:meta_key' ),
'value' => $this->get_tag( $m, 'wp:meta_value' ),
);
}
return $parsed_meta;
}
function process_author( $a ) {
return array(
'author_id' => $this->get_tag( $a, 'wp:author_id' ),
'author_login' => $this->get_tag( $a, 'wp:author_login' ),
'author_email' => $this->get_tag( $a, 'wp:author_email' ),
'author_display_name' => $this->get_tag( $a, 'wp:author_display_name' ),
'author_first_name' => $this->get_tag( $a, 'wp:author_first_name' ),
'author_last_name' => $this->get_tag( $a, 'wp:author_last_name' ),
);
}
function process_post( $post ) {
$post_id = $this->get_tag( $post, 'wp:post_id' );
$post_title = $this->get_tag( $post, 'title' );
$post_date = $this->get_tag( $post, 'wp:post_date' );
$post_date_gmt = $this->get_tag( $post, 'wp:post_date_gmt' );
$comment_status = $this->get_tag( $post, 'wp:comment_status' );
$ping_status = $this->get_tag( $post, 'wp:ping_status' );
$status = $this->get_tag( $post, 'wp:status' );
$post_name = $this->get_tag( $post, 'wp:post_name' );
$post_parent = $this->get_tag( $post, 'wp:post_parent' );
$menu_order = $this->get_tag( $post, 'wp:menu_order' );
$post_type = $this->get_tag( $post, 'wp:post_type' );
$post_password = $this->get_tag( $post, 'wp:post_password' );
$is_sticky = $this->get_tag( $post, 'wp:is_sticky' );
$guid = $this->get_tag( $post, 'guid' );
$post_author = $this->get_tag( $post, 'dc:creator' );
$post_excerpt = $this->get_tag( $post, 'excerpt:encoded' );
$post_excerpt = preg_replace_callback( '|<(/?[A-Z]+)|', array( &$this, '_normalize_tag' ), $post_excerpt );
$post_excerpt = str_replace( '<br>', '<br />', $post_excerpt );
$post_excerpt = str_replace( '<hr>', '<hr />', $post_excerpt );
$post_content = $this->get_tag( $post, 'content:encoded' );
$post_content = preg_replace_callback( '|<(/?[A-Z]+)|', array( &$this, '_normalize_tag' ), $post_content );
$post_content = str_replace( '<br>', '<br />', $post_content );
$post_content = str_replace( '<hr>', '<hr />', $post_content );
$postdata = compact(
'post_id',
'post_author',
'post_date',
'post_date_gmt',
'post_content',
'post_excerpt',
'post_title',
'status',
'post_name',
'comment_status',
'ping_status',
'guid',
'post_parent',
'menu_order',
'post_type',
'post_password',
'is_sticky'
);
$attachment_url = $this->get_tag( $post, 'wp:attachment_url' );
if ( $attachment_url ) {
$postdata['attachment_url'] = $attachment_url;
}
preg_match_all( '|<category domain="([^"]+?)" nicename="([^"]+?)">(.+?)</category>|is', $post, $terms, PREG_SET_ORDER );
foreach ( $terms as $t ) {
$post_terms[] = array(
'slug' => $t[2],
'domain' => $t[1],
'name' => str_replace( array( '<![CDATA[', ']]>' ), '', $t[3] ),
);
}
if ( ! empty( $post_terms ) ) {
$postdata['terms'] = $post_terms;
}
preg_match_all( '|<wp:comment>(.+?)</wp:comment>|is', $post, $comments );
$comments = $comments[1];
if ( $comments ) {
foreach ( $comments as $comment ) {
$post_comments[] = array(
'comment_id' => $this->get_tag( $comment, 'wp:comment_id' ),
'comment_author' => $this->get_tag( $comment, 'wp:comment_author' ),
'comment_author_email' => $this->get_tag( $comment, 'wp:comment_author_email' ),
'comment_author_IP' => $this->get_tag( $comment, 'wp:comment_author_IP' ),
'comment_author_url' => $this->get_tag( $comment, 'wp:comment_author_url' ),
'comment_date' => $this->get_tag( $comment, 'wp:comment_date' ),
'comment_date_gmt' => $this->get_tag( $comment, 'wp:comment_date_gmt' ),
'comment_content' => $this->get_tag( $comment, 'wp:comment_content' ),
'comment_approved' => $this->get_tag( $comment, 'wp:comment_approved' ),
'comment_type' => $this->get_tag( $comment, 'wp:comment_type' ),
'comment_parent' => $this->get_tag( $comment, 'wp:comment_parent' ),
'comment_user_id' => $this->get_tag( $comment, 'wp:comment_user_id' ),
'commentmeta' => $this->process_meta( $comment, 'wp:commentmeta' ),
);
}
}
if ( ! empty( $post_comments ) ) {
$postdata['comments'] = $post_comments;
}
$post_meta = $this->process_meta( $post, 'wp:postmeta' );
if ( ! empty( $post_meta ) ) {
$postdata['postmeta'] = $post_meta;
}
return $postdata;
}
function _normalize_tag( $matches ) {
return '<' . strtolower( $matches[1] );
}
function fopen( $filename, $mode = 'r' ) {
if ( $this->has_gzip ) {
return gzopen( $filename, $mode );
}
return fopen( $filename, $mode );
}
function feof( $fp ) {
if ( $this->has_gzip ) {
return gzeof( $fp );
}
return feof( $fp );
}
function fgets( $fp, $len = 8192 ) {
if ( $this->has_gzip ) {
return gzgets( $fp, $len );
}
return fgets( $fp, $len );
}
function fclose( $fp ) {
if ( $this->has_gzip ) {
return gzclose( $fp );
}
return fclose( $fp );
}
}

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wp-content/plugins/wordpress-importer/parsers/class-wxr-parser-simplexml.php Normal file
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<?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 = array();
$posts = array();
$categories = array();
$tags = array();
$terms = array();
$internal_errors = libxml_use_internal_errors( true );
$dom = new DOMDocument;
$old_value = null;
if ( function_exists( 'libxml_disable_entity_loader' ) && PHP_VERSION_ID < 80000 ) {
$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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wp-content/plugins/wordpress-importer/parsers/class-wxr-parser-xml.php Normal file
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<?php
/**
* WordPress eXtended RSS file parser implementations
*
* @package WordPress
* @subpackage Importer
*/
/**
* WXR Parser that makes use of the XML Parser PHP extension.
*/
class WXR_Parser_XML {
public $wp_tags = array(
'wp:post_id',
'wp:post_date',
'wp:post_date_gmt',
'wp:comment_status',
'wp:ping_status',
'wp:attachment_url',
'wp:status',
'wp:post_name',
'wp:post_parent',
'wp:menu_order',
'wp:post_type',
'wp:post_password',
'wp:is_sticky',
'wp:term_id',
'wp:category_nicename',
'wp:category_parent',
'wp:cat_name',
'wp:category_description',
'wp:tag_slug',
'wp:tag_name',
'wp:tag_description',
'wp:term_taxonomy',
'wp:term_parent',
'wp:term_name',
'wp:term_description',
'wp:author_id',
'wp:author_login',
'wp:author_email',
'wp:author_display_name',
'wp:author_first_name',
'wp:author_last_name',
);
public $wp_sub_tags = array(
'wp:comment_id',
'wp:comment_author',
'wp:comment_author_email',
'wp:comment_author_url',
'wp:comment_author_IP',
'wp:comment_date',
'wp:comment_date_gmt',
'wp:comment_content',
'wp:comment_approved',
'wp:comment_type',
'wp:comment_parent',
'wp:comment_user_id',
);
public $wxr_version;
public $in_post;
public $cdata;
public $data;
public $sub_data;
public $in_tag;
public $in_sub_tag;
public $authors;
public $posts;
public $term;
public $category;
public $tag;
public $base_url;
public $base_blog_url;
function parse( $file ) {
$this->wxr_version = false;
$this->in_post = false;
$this->cdata = false;
$this->data = false;
$this->sub_data = false;
$this->in_tag = false;
$this->in_sub_tag = false;
$this->authors = array();
$this->posts = array();
$this->term = array();
$this->category = array();
$this->tag = array();
$xml = xml_parser_create( 'UTF-8' );
xml_parser_set_option( $xml, XML_OPTION_SKIP_WHITE, 1 );
xml_parser_set_option( $xml, XML_OPTION_CASE_FOLDING, 0 );
xml_set_object( $xml, $this );
xml_set_character_data_handler( $xml, 'cdata' );
xml_set_element_handler( $xml, 'tag_open', 'tag_close' );
if ( ! xml_parse( $xml, file_get_contents( $file ), true ) ) {
$current_line = xml_get_current_line_number( $xml );
$current_column = xml_get_current_column_number( $xml );
$error_code = xml_get_error_code( $xml );
$error_string = xml_error_string( $error_code );
return new WP_Error( 'XML_parse_error', 'There was an error when reading this WXR file', array( $current_line, $current_column, $error_string ) );
}
xml_parser_free( $xml );
if ( ! preg_match( '/^\d+\.\d+$/', $this->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' ) );
}
return array(
'authors' => $this->authors,
'posts' => $this->posts,
'categories' => $this->category,
'tags' => $this->tag,
'terms' => $this->term,
'base_url' => $this->base_url,
'base_blog_url' => $this->base_blog_url,
'version' => $this->wxr_version,
);
}
function tag_open( $parse, $tag, $attr ) {
if ( in_array( $tag, $this->wp_tags, true ) ) {
$this->in_tag = substr( $tag, 3 );
return;
}
if ( in_array( $tag, $this->wp_sub_tags, true ) ) {
$this->in_sub_tag = substr( $tag, 3 );
return;
}
switch ( $tag ) {
case 'category':
if ( isset( $attr['domain'], $attr['nicename'] ) ) {
if ( false === $this->sub_data ) {
$this->sub_data = array();
}
$this->sub_data['domain'] = $attr['domain'];
$this->sub_data['slug'] = $attr['nicename'];
}
break;
case 'item':
$this->in_post = true;
break;
case 'title':
if ( $this->in_post ) {
$this->in_tag = 'post_title';
}
break;
case 'guid':
$this->in_tag = 'guid';
break;
case 'dc:creator':
$this->in_tag = 'post_author';
break;
case 'content:encoded':
$this->in_tag = 'post_content';
break;
case 'excerpt:encoded':
$this->in_tag = 'post_excerpt';
break;
case 'wp:term_slug':
$this->in_tag = 'slug';
break;
case 'wp:meta_key':
$this->in_sub_tag = 'key';
break;
case 'wp:meta_value':
$this->in_sub_tag = 'value';
break;
}
}
function cdata( $parser, $cdata ) {
if ( ! trim( $cdata ) ) {
return;
}
if ( false !== $this->in_tag || false !== $this->in_sub_tag ) {
$this->cdata .= $cdata;
} else {
$this->cdata .= trim( $cdata );
}
}
function tag_close( $parser, $tag ) {
switch ( $tag ) {
case 'wp:comment':
unset( $this->sub_data['key'], $this->sub_data['value'] ); // remove meta sub_data
if ( ! empty( $this->sub_data ) ) {
$this->data['comments'][] = $this->sub_data;
}
$this->sub_data = false;
break;
case 'wp:commentmeta':
$this->sub_data['commentmeta'][] = array(
'key' => $this->sub_data['key'],
'value' => $this->sub_data['value'],
);
break;
case 'category':
if ( ! empty( $this->sub_data ) ) {
$this->sub_data['name'] = $this->cdata;
$this->data['terms'][] = $this->sub_data;
}
$this->sub_data = false;
break;
case 'wp:postmeta':
if ( ! empty( $this->sub_data ) ) {
$this->data['postmeta'][] = $this->sub_data;
}
$this->sub_data = false;
break;
case 'item':
$this->posts[] = $this->data;
$this->data = false;
break;
case 'wp:category':
case 'wp:tag':
case 'wp:term':
$n = substr( $tag, 3 );
array_push( $this->$n, $this->data );
$this->data = false;
break;
case 'wp:termmeta':
if ( ! empty( $this->sub_data ) ) {
$this->data['termmeta'][] = $this->sub_data;
}
$this->sub_data = false;
break;
case 'wp:author':
if ( ! empty( $this->data['author_login'] ) ) {
$this->authors[ $this->data['author_login'] ] = $this->data;
}
$this->data = false;
break;
case 'wp:base_site_url':
$this->base_url = $this->cdata;
if ( ! isset( $this->base_blog_url ) ) {
$this->base_blog_url = $this->cdata;
}
break;
case 'wp:base_blog_url':
$this->base_blog_url = $this->cdata;
break;
case 'wp:wxr_version':
$this->wxr_version = $this->cdata;
break;
default:
if ( $this->in_sub_tag ) {
if ( false === $this->sub_data ) {
$this->sub_data = array();
}
$this->sub_data[ $this->in_sub_tag ] = ! empty( $this->cdata ) ? $this->cdata : '';
$this->in_sub_tag = false;
} elseif ( $this->in_tag ) {
if ( false === $this->data ) {
$this->data = array();
}
$this->data[ $this->in_tag ] = ! empty( $this->cdata ) ? $this->cdata : '';
$this->in_tag = false;
}
}
$this->cdata = false;
}
}

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<?php
/**
* WordPress eXtended RSS file parser implementations
*
* @package WordPress
* @subpackage Importer
*/
/**
* WordPress Importer class for managing parsing of WXR files.
*/
class WXR_Parser {
function parse( $file ) {
// Attempt to use proper XML parsers first
if ( extension_loaded( 'simplexml' ) ) {
$parser = new WXR_Parser_SimpleXML;
$result = $parser->parse( $file );
// If SimpleXML succeeds or this is an invalid WXR file then return the results
if ( ! is_wp_error( $result ) || 'SimpleXML_parse_error' != $result->get_error_code() ) {
return $result;
}
} elseif ( extension_loaded( 'xml' ) ) {
$parser = new WXR_Parser_XML;
$result = $parser->parse( $file );
// If XMLParser succeeds or this is an invalid WXR file then return the results
if ( ! is_wp_error( $result ) || 'XML_parse_error' != $result->get_error_code() ) {
return $result;
}
}
// We have a malformed XML file, so display the error and fallthrough to regex
if ( isset( $result ) && defined( 'IMPORT_DEBUG' ) && IMPORT_DEBUG ) {
echo '<pre>';
if ( 'SimpleXML_parse_error' == $result->get_error_code() ) {
foreach ( $result->get_error_data() as $error ) {
echo $error->line . ':' . $error->column . ' ' . esc_html( $error->message ) . "\n";
}
} elseif ( 'XML_parse_error' == $result->get_error_code() ) {
$error = $result->get_error_data();
echo $error[0] . ':' . $error[1] . ' ' . esc_html( $error[2] );
}
echo '</pre>';
echo '<p><strong>' . __( 'There was an error when reading this WXR file', 'wordpress-importer' ) . '</strong><br />';
echo __( 'Details are shown above. The importer will now try again with a different parser...', 'wordpress-importer' ) . '</p>';
}
// use regular expressions if nothing else available or this is bad XML
$parser = new WXR_Parser_Regex;
return $parser->parse( $file );
}
}

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=== WordPress Importer ===
Contributors: wordpressdotorg
Donate link: https://wordpressfoundation.org/donate/
Tags: importer, wordpress
Requires at least: 5.2
Tested up to: 6.2
Requires PHP: 5.6
Stable tag: 0.8.1
License: GPLv2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Import posts, pages, comments, custom fields, categories, tags and more from a WordPress export file.
== Description ==
The WordPress Importer will import the following content from a WordPress export file:
* Posts, pages and other custom post types
* Comments and comment meta
* Custom fields and post meta
* Categories, tags and terms from custom taxonomies and term meta
* Authors
For further information and instructions please see the [documention on Importing Content](https://wordpress.org/support/article/importing-content/#wordpress).
== Installation ==
The quickest method for installing the importer is:
1. Visit Tools -> Import in the WordPress dashboard
1. Click on the WordPress link in the list of importers
1. Click "Install Now"
1. Finally click "Activate Plugin & Run Importer"
If you would prefer to do things manually then follow these instructions:
1. Upload the `wordpress-importer` folder to the `/wp-content/plugins/` directory
1. Activate the plugin through the 'Plugins' menu in WordPress
1. Go to the Tools -> Import screen, click on WordPress
== Changelog ==
= 0.8.1 =
* Update compatibility tested-up-to to WordPress 6.2.
* Update paths to build status badges.
= 0.8 =
* Update minimum WordPress requirement to 5.2.
* Update minimum PHP requirement to 5.6.
* Update compatibility tested-up-to to WordPress 6.1.
* PHP 8.0, 8.1, and 8.2 compatibility fixes.
* Fix a bug causing blank lines in content to be ignored when using the Regex Parser.
* Fix a bug resulting in a PHP fatal error when IMPORT_DEBUG is enabled and a category creation error occurs.
* Improved Unit testing & automated testing.
= 0.7 =
* Update minimum WordPress requirement to 3.7 and ensure compatibility with PHP 7.4.
* Fix bug that caused not importing term meta.
* Fix bug that caused slashes to be stripped from imported meta data.
* Fix bug that prevented import of serialized meta data.
* Fix file size check after download of remote files with HTTP compression enabled.
* Improve accessibility of form fields by adding missing labels.
* Improve imports for remote file URLs without name and/or extension.
* Add support for `wp:base_blog_url` field to allow importing multiple files with WP-CLI.
* Add support for term meta parsing when using the regular expressions or XML parser.
* Developers: All PHP classes have been moved into their own files.
* Developers: Allow to change `IMPORT_DEBUG` via `wp-config.php` and change default value to the value of `WP_DEBUG`.
= 0.6.4 =
* Improve PHP7 compatibility.
* Fix bug that caused slashes to be stripped from imported comments.
* Fix for various deprecation notices including `wp_get_http()` and `screen_icon()`.
* Fix for importing export files with multiline term meta data.
= 0.6.3 =
* Add support for import term metadata.
* Fix bug that caused slashes to be stripped from imported content.
* Fix bug that caused characters to be stripped inside of CDATA in some cases.
* Fix PHP notices.
= 0.6.2 =
* Add `wp_import_existing_post` filter, see [Trac ticket #33721](https://core.trac.wordpress.org/ticket/33721).
= 0.6 =
* Support for WXR 1.2 and multiple CDATA sections
* Post aren't duplicates if their post_type's are different
= 0.5.2 =
* Double check that the uploaded export file exists before processing it. This prevents incorrect error messages when
an export file is uploaded to a server with bad permissions and WordPress 3.3 or 3.3.1 is being used.
= 0.5 =
* Import comment meta (requires export from WordPress 3.2)
* Minor bugfixes and enhancements
= 0.4 =
* Map comment user_id where possible
* Import attachments from `wp:attachment_url`
* Upload attachments to correct directory
* Remap resized image URLs correctly
= 0.3 =
* Use an XML Parser if possible
* Proper import support for nav menus
* ... and much more, see [Trac ticket #15197](https://core.trac.wordpress.org/ticket/15197)
= 0.1 =
* Initial release
== Frequently Asked Questions ==
= Help! I'm getting out of memory errors or a blank screen. =
If your exported file is very large, the import script may run into your host's configured memory limit for PHP.
A message like "Fatal error: Allowed memory size of 8388608 bytes exhausted" indicates that the script can't successfully import your XML file under the current PHP memory limit. If you have access to the php.ini file, you can manually increase the limit; if you do not (your WordPress installation is hosted on a shared server, for instance), you might have to break your exported XML file into several smaller pieces and run the import script one at a time.
For those with shared hosting, the best alternative may be to consult hosting support to determine the safest approach for running the import. A host may be willing to temporarily lift the memory limit and/or run the process directly from their end.
-- [Support Article: Importing Content](https://wordpress.org/support/article/importing-content/#before-importing)
== Filters ==
The importer has a couple of filters to allow you to completely enable/block certain features:
* `import_allow_create_users`: return false if you only want to allow mapping to existing users
* `import_allow_fetch_attachments`: return false if you do not wish to allow importing and downloading of attachments
* `import_attachment_size_limit`: return an integer value for the maximum file size in bytes to save (default is 0, which is unlimited)
There are also a few actions available to hook into:
* `import_start`: occurs after the export file has been uploaded and author import settings have been chosen
* `import_end`: called after the last output from the importer

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<?php
/*
* @wordpress-plugin
* Plugin Name: WordPress Importer
* Plugin URI: https://wordpress.org/plugins/wordpress-importer/
* Description: Import posts, pages, comments, custom fields, categories, tags and more from a WordPress export file.
* Author: wordpressdotorg
* Author URI: https://wordpress.org/
* Version: 0.8.1
* Requires at least: 5.2
* Requires PHP: 5.6
* Text Domain: wordpress-importer
* License: GPLv2 or later
* License URI: https://www.gnu.org/licenses/gpl-2.0.html
*/
if ( ! defined( 'WP_LOAD_IMPORTERS' ) ) {
return;
}
/** Display verbose errors */
if ( ! defined( 'IMPORT_DEBUG' ) ) {
define( 'IMPORT_DEBUG', WP_DEBUG );
}
/** WordPress Import Administration API */
require_once ABSPATH . 'wp-admin/includes/import.php';
if ( ! class_exists( 'WP_Importer' ) ) {
$class_wp_importer = ABSPATH . 'wp-admin/includes/class-wp-importer.php';
if ( file_exists( $class_wp_importer ) ) {
require $class_wp_importer;
}
}
/** Functions missing in older WordPress versions. */
require_once dirname( __FILE__ ) . '/compat.php';
/** WXR_Parser class */
require_once dirname( __FILE__ ) . '/parsers/class-wxr-parser.php';
/** WXR_Parser_SimpleXML class */
require_once dirname( __FILE__ ) . '/parsers/class-wxr-parser-simplexml.php';
/** WXR_Parser_XML class */
require_once dirname( __FILE__ ) . '/parsers/class-wxr-parser-xml.php';
/** WXR_Parser_Regex class */
require_once dirname( __FILE__ ) . '/parsers/class-wxr-parser-regex.php';
/** WP_Import class */
require_once dirname( __FILE__ ) . '/class-wp-import.php';
function wordpress_importer_init() {
load_plugin_textdomain( 'wordpress-importer' );
/**
* WordPress Importer object for registering the import callback
* @global WP_Import $wp_import
*/
$GLOBALS['wp_import'] = new WP_Import();
// phpcs:ignore WordPress.WP.CapitalPDangit
register_importer( 'wordpress', 'WordPress', __( 'Import <strong>posts, pages, comments, custom fields, categories, and tags</strong> from a WordPress export file.', 'wordpress-importer' ), array( $GLOBALS['wp_import'], 'dispatch' ) );
}
add_action( 'admin_init', 'wordpress_importer_init' );