<br />
<b>Notice</b>:  Undefined index: HTTP_ACCEPT_LANGUAGE in <b>/home/tbolleke/public_html/index.php</b> on line <b>11</b><br />
<br />
<b>Notice</b>:  Undefined index: HTTP_REFERER in <b>/home/tbolleke/public_html/index.php</b> on line <b>12</b><br />
	// 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;
}

				'description'   => array(
					'description' => __( 'Description of the ability.' ),
					'type'        => 'string',
					'context'     => array( 'view', 'edit' ),
					'readonly'    => true,
				),
				'category'      => array(
					'description' => __( 'Ability category this ability belongs to.' ),
					'type'        => 'string',
					'context'     => array( 'view', 'edit', 'embed' ),
					'readonly'    => true,
				),
				'input_schema'  => array(
					'description' => __( 'JSON Schema for the ability input.' ),
					'type'        => 'object',
					'context'     => array( 'view', 'edit' ),
					'readonly'    => true,
				),
				'output_schema' => array(
					'description' => __( 'JSON Schema for the ability output.' ),
					'type'        => 'object',
					'context'     => array( 'view', 'edit' ),
					'readonly'    => true,
				),
				'meta'          => array(
					'description' => __( 'Meta information about the ability.' ),
					'type'        => 'object',
					'properties'  => array(
						'annotations' => array(
							'description' => __( 'Annotations for the ability.' ),
							'type'        => array( 'boolean', 'null' ),
							'default'     => null,
						),
					),
					'context'     => array( 'view', 'edit' ),
					'readonly'    => true,
				),
			),
		);

		return $this->add_additional_fields_schema( $schema );
	}

	/**
	 * Retrieves the query params for collections.
	 *
	 * @since 6.9.0
	 *
	 * @return array<string, mixed> Collection parameters.
	 */
	public function get_collection_params(): array {
		return array(
			'context'  => $this->get_context_param( array( 'default' => 'view' ) ),
			'page'     => array(
				'description' => __( 'Current page of the collection.' ),
				'type'        => 'integer',
				'default'     => 1,
				'minimum'     => 1,
			),
			'per_page' => array(
				'description' => __( 'Maximum number of items to be returned in result set.' ),
				'type'        => 'integer',
				'default'     => 50,
				'minimum'     => 1,
				'maximum'     => 100,
			),
			'category' => array(
				'description'       => __( 'Limit results to abilities in specific ability category.' ),
				'type'              => 'string',
				'sanitize_callback' => 'sanitize_key',
				'validate_callback' => 'rest_validate_request_arg',
			),
		);
	}
}
<br />
<b>Fatal error</b>:  require(): Failed opening required '/home/tbolleke/public_html/wp-includes/style-engine/class-wp-style-engine-css-rule.php' (include_path='.:') in <b>/home/tbolleke/public_html/wp-settings.php</b> on line <b>409</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function set() on null in /home/tbolleke/public_html/wp-includes/l10n.php:857
Stack trace:
#0 /home/tbolleke/public_html/wp-includes/l10n.php(960): load_textdomain('default', '/home/tbolleke/...', 'nl_NL')
#1 /home/tbolleke/public_html/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain()
#2 [internal function]: WP_Fatal_Error_Handler-&gt;handle()
#3 {main}
  thrown in <b>/home/tbolleke/public_html/wp-includes/l10n.php</b> on line <b>857</b><br />