WP_Post|object $post Post object.
	 */
	public function __construct( $post ) {
		foreach ( get_object_vars( $post ) as $key => $value ) {
			$this->$key = $value;
		}
	}

	/**
	 * Isset-er.
	 *
	 * @since 3.5.0
	 *
	 * @param string $key Property to check if set.
	 * @return bool
	 */
	public function __isset( $key ) {
		if ( 'ancestors' === $key ) {
			return true;
		}

		if ( 'page_template' === $key ) {
			return true;
		}

		if ( 'post_category' === $key ) {
			return true;
		}

		if ( 'tags_input' === $key ) {
			return true;
		}

		return metadata_exists( 'post', $this->ID, $key );
	}

	/**
	 * Getter.
	 *
	 * @since 3.5.0
	 *
	 * @param string $key Key to get.
	 * @return mixed
	 */
	public function __get( $key ) {
		if ( 'page_template' === $key && $this->__isset( $key ) ) {
			return get_post_meta( $this->ID, '_wp_page_template', true );
		}

		if ( 'post_category' === $key ) {
			if ( is_object_in_taxonomy( $this->post_type, 'category' ) ) {
				$terms = get_the_terms( $this, 'category' );
			}

			if ( empty( $terms ) ) {
				return array();
			}

			return wp_list_pluck( $terms, 'term_id' );
		}

		if ( 'tags_input' === $key ) {
			if ( is_object_in_taxonomy( $this->post_type, 'post_tag' ) ) {
				$terms = get_the_terms( $this, 'post_tag' );
			}

			if ( empty( $terms ) ) {
				return array();
			}

			return wp_list_pluck( $terms, 'name' );
		}

		// Rest of the values need filtering.
		if ( 'ancestors' === $key ) {
			$value = get_post_ancestors( $this );
		} else {
			$value = get_post_meta( $this->ID, $key, true );
		}

		if ( $this->filter ) {
			$value = sanitize_post_field( $key, $value, $this->ID, $this->filter );
		}

		return $value;
	}

	/**
	 * {@Missing Summary}
	 *
	 * @since 3.5.0
	 *
	 * @param string $filter Filter.
	 * @return WP_Post
	 */
	public function filter( $filter ) {
		if ( $this->filter === $filter ) {
			return $this;
		}

		if ( 'raw' === $filter ) {
			return self::get_instance( $this->ID );
		}

		return sanitize_post( $this, $filter );
	}

	/**
	 * Convert object to array.
	 *
	 * @since 3.5.0
	 *
	 * @return array Object as array.
	 */
	public function to_array() {
		$post = get_object_vars( $this );

		foreach ( array( 'ancestors', 'page_template', 'post_category', 'tags_input' ) as $key ) {
			if ( $this->__isset( $key ) ) {
				$post[ $key ] = $this->__get( $key );
			}
		}

		return $post;
	}
}
<br />
<b>Fatal error</b>:  require_once(): Failed opening required '/var/www/html/dportilho.com.br/web/wp-includes/blocks/navigation-submenu.php' (include_path='.:/usr/share/pear') in <b>/var/www/html/dportilho.com.br/web/wp-includes/blocks/require-dynamic-blocks.php</b> on line <b>37</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function set() on null in /var/www/html/dportilho.com.br/web/wp-includes/l10n.php:856
Stack trace:
#0 /var/www/html/dportilho.com.br/web/wp-includes/l10n.php(959): load_textdomain('default', '/var/www/html/d...', 'pt_BR')
#1 /var/www/html/dportilho.com.br/web/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>/var/www/html/dportilho.com.br/web/wp-includes/l10n.php</b> on line <b>856</b><br />