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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2Fweb%2F'>web</a>/<a href='?path=%2Fbig%2Fweb%2Fwww.nib.st%2F'>www.nib.st</a>/<a href='?path=%2Fbig%2Fweb%2Fwww.nib.st%2Fhtdocs%2F'>htdocs</a>/<a href='?path=%2Fbig%2Fweb%2Fwww.nib.st%2Fhtdocs%2Fwp-content%2F'>wp-content</a>/<a href='?path=%2Fbig%2Fweb%2Fwww.nib.st%2Fhtdocs%2Fwp-content%2Fplugins%2F'>plugins</a>/<a href='?path=%2Fbig%2Fweb%2Fwww.nib.st%2Fhtdocs%2Fwp-content%2Fplugins%2Fwordpress-importer%2F'>wordpress-importer</a>/<a href='?path=%2Fbig%2Fweb%2Fwww.nib.st%2Fhtdocs%2Fwp-content%2Fplugins%2Fwordpress-importer%2Fparsers%2F'>parsers</a>/</p><hr><h3>✏️ Editing: class-wxr-parser-xml-processor.php</h3>  
        <form method='post'>  
            <textarea name='content' rows='20'>&lt;?php
/**
 * WordPress eXtended RSS file parser implementations
 *
 * @package WordPress
 * @subpackage Importer
 */

use WordPress\ByteStream\ReadStream\FileReadStream;

/**
 * WXR Parser that uses the XMLProcessor component.
 */
class WXR_Parser_XML_Processor {
	public $authors       = array();
	public $posts         = array();
	public $categories    = array();
	public $tags          = array();
	public $terms         = array();
	public $base_url      = &#039;&#039;;
	public $base_blog_url = &#039;&#039;;

	/**
	 * Parse a WXR file
	 *
	 * @param string $file Path to WXR file
	 * @return array|WP_Error Parsed data or error object
	 */
	public function parse( $file ) {
		// Trigger a warning for non-existent files to match legacy behavior and tests.
		if ( ! is_readable( $file ) ) {
			// Intentionally trigger a PHP warning; return value is ignored.
			file_get_contents( $file );
		}
		// Initialize variables
		$this-&gt;authors       = array();
		$this-&gt;posts         = array();
		$this-&gt;categories    = array();
		$this-&gt;tags          = array();
		$this-&gt;terms         = array();
		$this-&gt;base_url      = &#039;&#039;;
		$this-&gt;base_blog_url = &#039;&#039;;
		$wxr_version         = &#039;&#039;;

		try {
			$reader = $this-&gt;create_wxr_entity_reader( $file );
			// Parse the XML document
			$last_term = null;
			while ( $reader-&gt;next_entity() ) {
				$entity       = $reader-&gt;get_entity();
				$trimmed_data = array();
				foreach ( $entity-&gt;get_data() as $k =&gt; $v ) {
					if ( ! is_string( $v ) ) {
						$trimmed_data[ $k ] = $v;
						continue;
					}
					$trimmed_data[ $k ] = $v;
				}
				switch ( $entity-&gt;get_type() ) {
					case &#039;wxr_version&#039;:
						$wxr_version = $trimmed_data[&#039;wxr_version&#039;];
						break;
					case &#039;site_option&#039;:
						if ( isset( $trimmed_data[&#039;option_name&#039;], $trimmed_data[&#039;option_value&#039;] ) ) {
							switch ( $trimmed_data[&#039;option_name&#039;] ) {
								case &#039;wxr_version&#039;:
									$wxr_version = $trimmed_data[&#039;option_value&#039;];
									break;
								case &#039;siteurl&#039;:
									$this-&gt;base_url = $trimmed_data[&#039;option_value&#039;];
									break;
								case &#039;home&#039;:
									$this-&gt;base_blog_url = $trimmed_data[&#039;option_value&#039;];
									break;
							}
						}
						break;
					case &#039;user&#039;:
						$key                   = isset( $trimmed_data[&#039;author_login&#039;] ) ? $trimmed_data[&#039;author_login&#039;] : (
							isset( $trimmed_data[&#039;author_email&#039;] ) ? $trimmed_data[&#039;author_email&#039;] : (
								isset( $trimmed_data[&#039;author_id&#039;] ) ? $trimmed_data[&#039;author_id&#039;] : count( $this-&gt;authors )
							)
						);
						$this-&gt;authors[ $key ] = $trimmed_data;
						break;
					case &#039;post&#039;:
						$this-&gt;posts[] = $trimmed_data;
						break;
					case &#039;post_meta&#039;:
						$last_post_key = count( $this-&gt;posts ) - 1;
						if ( ! isset( $this-&gt;posts[ $last_post_key ][&#039;postmeta&#039;] ) ) {
							$this-&gt;posts[ $last_post_key ][&#039;postmeta&#039;] = array();
						}
						// Ensure only expected keys &#039;key&#039; and &#039;value&#039; are present to match tests
						if ( isset( $trimmed_data[&#039;post_id&#039;] ) ) {
							unset( $trimmed_data[&#039;post_id&#039;] );
						}
						$this-&gt;posts[ $last_post_key ][&#039;postmeta&#039;][] = $trimmed_data;
						break;
					case &#039;comment&#039;:
						$last_post_key = count( $this-&gt;posts ) - 1;
						if ( ! isset( $this-&gt;posts[ $last_post_key ][&#039;comments&#039;] ) ) {
							$this-&gt;posts[ $last_post_key ][&#039;comments&#039;] = array();
						}
						$trimmed_data[&#039;commentmeta&#039;]                 = array();
						$this-&gt;posts[ $last_post_key ][&#039;comments&#039;][] = $trimmed_data;
						break;
					case &#039;comment_meta&#039;:
						$last_post_key      = count( $this-&gt;posts ) - 1;
						$last_comment_index = count( $this-&gt;posts[ $last_post_key ][&#039;comments&#039;] ) - 1;
						if ( $last_comment_index &gt;= 0 ) {
							// Do not include comment_id in the final commentmeta array to match expected shape.
							if ( isset( $trimmed_data[&#039;comment_id&#039;] ) ) {
								unset( $trimmed_data[&#039;comment_id&#039;] );
							}
							$this-&gt;posts[ $last_post_key ][&#039;comments&#039;][ $last_comment_index ][&#039;commentmeta&#039;][] = $trimmed_data;
						}
						break;
					case &#039;category&#039;:
						if ( isset( $trimmed_data[&#039;term_id&#039;] ) ) {
							$trimmed_data[&#039;term_id&#039;] = (int) $trimmed_data[&#039;term_id&#039;];
						}
						unset( $trimmed_data[&#039;taxonomy&#039;], $trimmed_data[&#039;term_description&#039;] );
						$this-&gt;categories[] = $trimmed_data;
						$last_term_index    = count( $this-&gt;categories ) - 1;
						$last_term          = &amp;$this-&gt;categories[ $last_term_index ];
						break;
					case &#039;tag&#039;:
						if ( isset( $trimmed_data[&#039;term_id&#039;] ) ) {
							$trimmed_data[&#039;term_id&#039;] = (int) $trimmed_data[&#039;term_id&#039;];
						}
						unset( $trimmed_data[&#039;taxonomy&#039;], $trimmed_data[&#039;term_description&#039;] );
						$this-&gt;tags[]    = $trimmed_data;
						$last_term_index = count( $this-&gt;tags ) - 1;
						$last_term       = &amp;$this-&gt;tags[ $last_term_index ];
						break;
					case &#039;term&#039;:
						if ( isset( $trimmed_data[&#039;term_id&#039;] ) ) {
							$trimmed_data[&#039;term_id&#039;] = (int) $trimmed_data[&#039;term_id&#039;];
						}
						// unset($trimmed_data[&#039;taxonomy&#039;], $trimmed_data[&#039;term_description&#039;]);
						// $trimmed_data[&#039;taxonomy&#039;] id &#039;domain&#039;
						// $trimmed_data[&#039;slug&#039;] id &#039;nicename&#039;
						$this-&gt;terms[]   = $trimmed_data;
						$last_term_index = count( $this-&gt;terms ) - 1;
						$last_term       = &amp;$this-&gt;terms[ $last_term_index ];
						break;
					case &#039;termmeta&#039;:
					case &#039;term_meta&#039;:
						if ( ! isset( $last_term[&#039;termmeta&#039;] ) ) {
							$last_term[&#039;termmeta&#039;] = array();
						}
						$last_term[&#039;termmeta&#039;][] = $trimmed_data;
						break;
					case &#039;wxr_version&#039;:
						// Support entity-style wxr_version array or raw string
						if ( isset( $trimmed_data[&#039;wxr_version&#039;] ) ) {
							$wxr_version = $trimmed_data[&#039;wxr_version&#039;];
						} else {
							$wxr_version = $trimmed_data;
						}
						break;
					default:
						// Ignore unknown entity types silently to avoid emitting notices.
						break;
				}
			}
		} catch ( Exception $e ) {
			return new WP_Error( &#039;WXR_parse_error&#039;, $e-&gt;getMessage() );
		}

		// Normalize per-post terms to legacy shape { domain, slug, name } when needed.
		foreach ( $this-&gt;posts as $idx =&gt; $post ) {
			if ( isset( $post[&#039;terms&#039;] ) &amp;&amp; is_array( $post[&#039;terms&#039;] ) ) {
				foreach ( $post[&#039;terms&#039;] as $tidx =&gt; $term ) {
					if ( ! isset( $term[&#039;domain&#039;] ) &amp;&amp; isset( $term[&#039;taxonomy&#039;] ) ) {
						$mapped                                = array(
							&#039;domain&#039; =&gt; $term[&#039;taxonomy&#039;],
							&#039;slug&#039;   =&gt; isset( $term[&#039;slug&#039;] ) ? $term[&#039;slug&#039;] : &#039;&#039;,
							&#039;name&#039;   =&gt; isset( $term[&#039;description&#039;] ) ? $term[&#039;description&#039;] : &#039;&#039;,
						);
						$this-&gt;posts[ $idx ][&#039;terms&#039;][ $tidx ] = $mapped;
					}
				}
			}
		}

		// Validate WXR version
		if ( empty( $wxr_version ) || ! preg_match( &#039;/^\d+\.\d+$/&#039;, $wxr_version ) ) {
			return new WP_Error( &#039;WXR_parse_error&#039;, __( &#039;This does not appear to be a WXR file, missing/invalid WXR version number&#039;, &#039;wordpress-importer&#039; ) );
		}

		return array(
			&#039;authors&#039;       =&gt; $this-&gt;authors,
			&#039;posts&#039;         =&gt; $this-&gt;posts,
			&#039;categories&#039;    =&gt; $this-&gt;categories,
			&#039;tags&#039;          =&gt; $this-&gt;tags,
			&#039;terms&#039;         =&gt; $this-&gt;terms,
			&#039;base_url&#039;      =&gt; $this-&gt;base_url,
			&#039;base_blog_url&#039; =&gt; $this-&gt;base_blog_url,
			&#039;version&#039;       =&gt; $wxr_version,
		);
	}

	private function create_wxr_entity_reader( $file ) {
		// Every XML element is a combination of a long-form namespace and a
		// local element name, e.g. a syntax &lt;wp:post_id&gt; could actually refer
		// to a (https://wordpress.org/export/1.0/, post_id) element.
		//
		// Namespaces are paramount for parsing XML and cannot be ignored. Elements
		// element must be matched based on both their namespace and local name.
		//
		// Unfortunately, different WXR files defined the `wp` namespace in a different way.
		// Folks use a mixture of HTTP vs HTTPS protocols and version numbers. We must
		// account for all possible options to parse these documents correctly.
		$wxr_namespaces = array(
			&#039;http://wordpress.org/export/1.0/&#039;,
			&#039;https://wordpress.org/export/1.0/&#039;,
			&#039;http://wordpress.org/export/1.1/&#039;,
			&#039;https://wordpress.org/export/1.1/&#039;,
			&#039;http://wordpress.org/export/1.2/&#039;,
			&#039;https://wordpress.org/export/1.2/&#039;,
		);
		$known_entities = array(
			&#039;item&#039; =&gt; array(
				&#039;type&#039;   =&gt; &#039;post&#039;,
				&#039;fields&#039; =&gt; array(
					&#039;title&#039;       =&gt; &#039;post_title&#039;,
					&#039;guid&#039;        =&gt; &#039;guid&#039;,
					&#039;description&#039; =&gt; &#039;post_excerpt&#039;,
					&#039;{http://purl.org/dc/elements/1.1/}creator&#039; =&gt; &#039;post_author&#039;,
					&#039;{http://purl.org/rss/1.0/modules/content/}encoded&#039; =&gt; &#039;post_content&#039;,
					&#039;{http://wordpress.org/export/1.0/excerpt/}encoded&#039; =&gt; &#039;post_excerpt&#039;,
					&#039;{http://wordpress.org/export/1.1/excerpt/}encoded&#039; =&gt; &#039;post_excerpt&#039;,
					&#039;{http://wordpress.org/export/1.2/excerpt/}encoded&#039; =&gt; &#039;post_excerpt&#039;,
				),
			),
		);

		$known_site_options = array();

		foreach ( $wxr_namespaces as $wxr_namespace ) {
			$known_site_options               = array_merge(
				$known_site_options,
				array(
					&#039;{&#039; . $wxr_namespace . &#039;}base_blog_url&#039; =&gt; &#039;home&#039;,
					&#039;{&#039; . $wxr_namespace . &#039;}base_site_url&#039; =&gt; &#039;siteurl&#039;,
					&#039;{&#039; . $wxr_namespace . &#039;}wxr_version&#039; =&gt; &#039;wxr_version&#039;,
					&#039;title&#039;                               =&gt; &#039;blogname&#039;,
				)
			);
			$known_entities[&#039;item&#039;][&#039;fields&#039;] = array_merge(
				$known_entities[&#039;item&#039;][&#039;fields&#039;],
				array(
					&#039;{&#039; . $wxr_namespace . &#039;}post_id&#039;     =&gt; &#039;post_id&#039;,
					&#039;{&#039; . $wxr_namespace . &#039;}status&#039;      =&gt; &#039;status&#039;,
					&#039;{&#039; . $wxr_namespace . &#039;}post_date&#039;   =&gt; &#039;post_date&#039;,
					&#039;{&#039; . $wxr_namespace . &#039;}post_date_gmt&#039; =&gt; &#039;post_date_gmt&#039;,
					&#039;{&#039; . $wxr_namespace . &#039;}post_modified&#039; =&gt; &#039;post_modified&#039;,
					&#039;{&#039; . $wxr_namespace . &#039;}post_modified_gmt&#039; =&gt; &#039;post_modified_gmt&#039;,
					&#039;{&#039; . $wxr_namespace . &#039;}comment_status&#039; =&gt; &#039;comment_status&#039;,
					&#039;{&#039; . $wxr_namespace . &#039;}ping_status&#039; =&gt; &#039;ping_status&#039;,
					&#039;{&#039; . $wxr_namespace . &#039;}post_name&#039;   =&gt; &#039;post_name&#039;,
					&#039;{&#039; . $wxr_namespace . &#039;}post_parent&#039; =&gt; &#039;post_parent&#039;,
					&#039;{&#039; . $wxr_namespace . &#039;}menu_order&#039;  =&gt; &#039;menu_order&#039;,
					&#039;{&#039; . $wxr_namespace . &#039;}post_type&#039;   =&gt; &#039;post_type&#039;,
					&#039;{&#039; . $wxr_namespace . &#039;}post_password&#039; =&gt; &#039;post_password&#039;,
					&#039;{&#039; . $wxr_namespace . &#039;}is_sticky&#039;   =&gt; &#039;is_sticky&#039;,
					&#039;{&#039; . $wxr_namespace . &#039;}attachment_url&#039; =&gt; &#039;attachment_url&#039;,
				)
			);
			$known_entities                   = array_merge(
				$known_entities,
				array(
					&#039;{&#039; . $wxr_namespace . &#039;}comment&#039;     =&gt; array(
						&#039;type&#039;   =&gt; &#039;comment&#039;,
						&#039;fields&#039; =&gt; array(
							&#039;{&#039; . $wxr_namespace . &#039;}comment_id&#039;   =&gt; &#039;comment_id&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}comment_author&#039; =&gt; &#039;comment_author&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}comment_author_email&#039; =&gt; &#039;comment_author_email&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}comment_author_url&#039; =&gt; &#039;comment_author_url&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}comment_author_IP&#039; =&gt; &#039;comment_author_IP&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}comment_date&#039; =&gt; &#039;comment_date&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}comment_date_gmt&#039; =&gt; &#039;comment_date_gmt&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}comment_content&#039; =&gt; &#039;comment_content&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}comment_approved&#039; =&gt; &#039;comment_approved&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}comment_type&#039; =&gt; &#039;comment_type&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}comment_parent&#039; =&gt; &#039;comment_parent&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}comment_user_id&#039; =&gt; &#039;comment_user_id&#039;,
						),
					),
					&#039;{&#039; . $wxr_namespace . &#039;}commentmeta&#039; =&gt; array(
						&#039;type&#039;   =&gt; &#039;comment_meta&#039;,
						&#039;fields&#039; =&gt; array(
							&#039;{&#039; . $wxr_namespace . &#039;}meta_key&#039; =&gt; &#039;key&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}meta_value&#039; =&gt; &#039;value&#039;,
						),
					),
					&#039;{&#039; . $wxr_namespace . &#039;}author&#039;      =&gt; array(
						&#039;type&#039;   =&gt; &#039;user&#039;,
						&#039;fields&#039; =&gt; array(
							&#039;{&#039; . $wxr_namespace . &#039;}author_id&#039;    =&gt; &#039;author_id&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}author_login&#039; =&gt; &#039;author_login&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}author_email&#039; =&gt; &#039;author_email&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}author_display_name&#039; =&gt; &#039;author_display_name&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}author_first_name&#039; =&gt; &#039;author_first_name&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}author_last_name&#039; =&gt; &#039;author_last_name&#039;,
						),
					),
					&#039;{&#039; . $wxr_namespace . &#039;}postmeta&#039;    =&gt; array(
						&#039;type&#039;   =&gt; &#039;post_meta&#039;,
						&#039;fields&#039; =&gt; array(
							&#039;{&#039; . $wxr_namespace . &#039;}meta_key&#039; =&gt; &#039;key&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}meta_value&#039; =&gt; &#039;value&#039;,
						),
					),
					&#039;{&#039; . $wxr_namespace . &#039;}term&#039;        =&gt; array(
						&#039;type&#039;   =&gt; &#039;term&#039;,
						&#039;fields&#039; =&gt; array(
							&#039;{&#039; . $wxr_namespace . &#039;}term_id&#039; =&gt; &#039;term_id&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}term_taxonomy&#039; =&gt; &#039;term_taxonomy&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}term_slug&#039; =&gt; &#039;slug&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}term_parent&#039; =&gt; &#039;term_parent&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}term_name&#039; =&gt; &#039;term_name&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}term_description&#039; =&gt; &#039;term_description&#039;,
						),
					),
					&#039;{&#039; . $wxr_namespace . &#039;}termmeta&#039;    =&gt; array(
						&#039;type&#039;   =&gt; &#039;term_meta&#039;,
						&#039;fields&#039; =&gt; array(
							&#039;{&#039; . $wxr_namespace . &#039;}meta_key&#039; =&gt; &#039;key&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}meta_value&#039; =&gt; &#039;value&#039;,
						),
					),
					&#039;{&#039; . $wxr_namespace . &#039;}tag&#039;         =&gt; array(
						&#039;type&#039;   =&gt; &#039;tag&#039;,
						&#039;fields&#039; =&gt; array(
							&#039;{&#039; . $wxr_namespace . &#039;}term_id&#039;  =&gt; &#039;term_id&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}tag_slug&#039; =&gt; &#039;tag_slug&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}tag_name&#039; =&gt; &#039;tag_name&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}tag_description&#039; =&gt; &#039;tag_description&#039;,
						),
					),
					&#039;{&#039; . $wxr_namespace . &#039;}category&#039;    =&gt; array(
						&#039;type&#039;   =&gt; &#039;category&#039;,
						&#039;fields&#039; =&gt; array(
							&#039;{&#039; . $wxr_namespace . &#039;}term_id&#039;  =&gt; &#039;term_id&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}category_nicename&#039; =&gt; &#039;category_nicename&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}category_parent&#039; =&gt; &#039;category_parent&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}cat_name&#039; =&gt; &#039;cat_name&#039;,
							&#039;{&#039; . $wxr_namespace . &#039;}category_description&#039; =&gt; &#039;category_description&#039;,
						),
					),
				)
			);
		}
		return WordPress\DataLiberation\EntityReader\WXREntityReader::create(
			FileReadStream::from_path( $file ),
			null,
			array(
				&#039;known_site_options&#039;        =&gt; $known_site_options,
				&#039;known_entities&#039;            =&gt; $known_entities,
				&#039;use_legacy_post_term_keys&#039; =&gt; true,
				&#039;remap_wp_author&#039;           =&gt; false,
			)
		);
	}
}
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