P_Post ) {
			return (int) $page_on_front;
		}
	}

	// Check to see if we are using rewrite rules.
	$rewrite = $wp_rewrite->wp_rewrite_rules();

	// Not using rewrite rules, and 'p=N' and 'page_id=N' methods failed, so we're out of options.
	if ( empty( $rewrite ) ) {
		return 0;
	}

	// Strip 'index.php/' if we're not using path info permalinks.
	if ( ! $wp_rewrite->using_index_permalinks() ) {
		$url = str_replace( $wp_rewrite->index . '/', '', $url );
	}

	if ( str_contains( trailingslashit( $url ), home_url( '/' ) ) ) {
		// Chop off http://domain.com/[path].
		$url = str_replace( home_url(), '', $url );
	} else {
		// Chop off /path/to/blog.
		$home_path = parse_url( home_url( '/' ) );
		$home_path = isset( $home_path['path'] ) ? $home_path['path'] : '';
		$url       = preg_replace( sprintf( '#^%s#', preg_quote( $home_path ) ), '', trailingslashit( $url ) );
	}

	// Trim leading and lagging slashes.
	$url = trim( $url, '/' );

	$request              = $url;
	$post_type_query_vars = array();

	foreach ( get_post_types( array(), 'objects' ) as $post_type => $t ) {
		if ( ! empty( $t->query_var ) ) {
			$post_type_query_vars[ $t->query_var ] = $post_type;
		}
	}

	// Look for matches.
	$request_match = $request;
	foreach ( (array) $rewrite as $match => $query ) {

		/*
		 * If the requesting file is the anchor of the match,
		 * prepend it to the path info.
		 */
		if ( ! empty( $url ) && ( $url !== $request ) && str_starts_with( $match, $url ) ) {
			$request_match = $url . '/' . $request;
		}

		if ( preg_match( "#^$match#", $request_match, $matches ) ) {

			if ( $wp_rewrite->use_verbose_page_rules && preg_match( '/pagename=\$matches\[([0-9]+)\]/', $query, $varmatch ) ) {
				// This is a verbose page match, let's check to be sure about it.
				$page = get_page_by_path( $matches[ $varmatch[1] ] );
				if ( ! $page ) {
					continue;
				}

				$post_status_obj = get_post_status_object( $page->post_status );
				if ( ! $post_status_obj->public && ! $post_status_obj->protected
					&& ! $post_status_obj->private && $post_status_obj->exclude_from_search ) {
					continue;
				}
			}

			/*
			 * Got a match.
			 * Trim the query of everything up to the '?'.
			 */
			$query = preg_replace( '!^.+\?!', '', $query );

			// Substitute the substring matches into the query.
			$query = addslashes( WP_MatchesMapRegex::apply( $query, $matches ) );

			// Filter out non-public query vars.
			global $wp;
			parse_str( $query, $query_vars );
			$query = array();
			foreach ( (array) $query_vars as $key => $value ) {
				if ( in_array( (string) $key, $wp->public_query_vars, true ) ) {
					$query[ $key ] = $value;
					if ( isset( $post_type_query_vars[ $key ] ) ) {
						$query['post_type'] = $post_type_query_vars[ $key ];
						$query['name']      = $value;
					}
				}
			}

			// Resolve conflicts between posts with numeric slugs and date archive queries.
			$query = wp_resolve_numeric_slug_conflicts( $query );

			// Do the query.
			$query = new WP_Query( $query );
			if ( ! empty( $query->posts ) && $query->is_singular ) {
				return $query->post->ID;
			} else {
				return 0;
			}
		}
	}
	return 0;
}
<br />
<b>Warning</b>:  call_user_func_array() expects parameter 1 to be a valid callback, function '_wp_filter_taxonomy_base' not found or invalid function name in <b>/var/www/html/dportilho.com.br/web/wp-includes/class-wp-hook.php</b> on line <b>326</b><br />
<br />
<b>Warning</b>:  call_user_func_array() expects parameter 1 to be a valid callback, function '_wp_filter_taxonomy_base' not found or invalid function name in <b>/var/www/html/dportilho.com.br/web/wp-includes/class-wp-hook.php</b> on line <b>326</b><br />
<br />
<b>Warning</b>:  Use of undefined constant EP_CATEGORIES - assumed 'EP_CATEGORIES' (this will throw an Error in a future version of PHP) in <b>/var/www/html/dportilho.com.br/web/wp-includes/taxonomy.php</b> on line <b>51</b><br />
<br />
<b>Warning</b>:  call_user_func_array() expects parameter 1 to be a valid callback, function '_wp_filter_taxonomy_base' not found or invalid function name in <b>/var/www/html/dportilho.com.br/web/wp-includes/class-wp-hook.php</b> on line <b>326</b><br />
<br />
<b>Warning</b>:  call_user_func_array() expects parameter 1 to be a valid callback, function '_wp_filter_taxonomy_base' not found or invalid function name in <b>/var/www/html/dportilho.com.br/web/wp-includes/class-wp-hook.php</b> on line <b>326</b><br />
<br />
<b>Warning</b>:  Use of undefined constant EP_TAGS - assumed 'EP_TAGS' (this will throw an Error in a future version of PHP) in <b>/var/www/html/dportilho.com.br/web/wp-includes/taxonomy.php</b> on line <b>57</b><br />
<br />
<b>Warning</b>:  Use of undefined constant EP_NONE - assumed 'EP_NONE' (this will throw an Error in a future version of PHP) in <b>/var/www/html/dportilho.com.br/web/wp-includes/class-wp-taxonomy.php</b> on line <b>391</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to undefined function add_rewrite_tag() in /var/www/html/dportilho.com.br/web/wp-includes/class-wp-taxonomy.php:513
Stack trace:
#0 /var/www/html/dportilho.com.br/web/wp-includes/taxonomy.php(533): WP_Taxonomy-&gt;add_rewrite_rules()
#1 /var/www/html/dportilho.com.br/web/wp-includes/taxonomy.php(82): register_taxonomy('category', 'post', Array)
#2 /var/www/html/dportilho.com.br/web/wp-includes/class-wp-hook.php(324): create_initial_taxonomies('')
#3 /var/www/html/dportilho.com.br/web/wp-includes/class-wp-hook.php(348): WP_Hook-&gt;apply_filters(NULL, Array)
#4 /var/www/html/dportilho.com.br/web/wp-includes/plugin.php(517): WP_Hook-&gt;do_action(Array)
#5 /var/www/html/dportilho.com.br/web/wp-settings.php(704): do_action('init')
#6 /var/www/html/dportilho.com.br/web/wp-config.php(126): require_once('/var/www/html/d...')
#7 /var/www/html/dportilho.com.br/web/wp-load.php(50): require_once('/var/www/html/d...')
#8 /var/www/html/dportilho.com.br/web/wp-blog-header.php(13): require_once('/var/www/html/d in <b>/var/www/html/dportilho.com.br/web/wp-includes/class-wp-taxonomy.php</b> on line <b>513</b><br />