te that only replacement variables that are surrounded by a space on either side are captured,
		 * and that the replacement is a single space.
		 */
		return preg_replace( '`(\s%%[^\s%]+%%\s)+`iu', ' ', $replaced );
	}

	/**
	 * Returns the content from a post, in which shortcodes have been replaced.
	 *
	 * @param WP_Post $post_with_shortcodes An WP post.
	 *
	 * @return string The content of the post with all shortcodes in the post content processed.
	 */
	public function process_shortcodes( $post_with_shortcodes ) {
		global $post;

		/*
		 * Set the global $post to be the post in this iteration.
		 * This is required for post-specific shortcodes that reference the global post.
		 */

		// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited -- To setup the post we need to do this explicitly.
		$post = $post_with_shortcodes;
		// Set up WordPress data for this post, outside of "the_loop".
		setup_postdata( $post );
		$content = do_shortcode( $post->post_content );
		wp_reset_postdata();

		return $content;
	}

	/**
	 * Builds the data for a post.
	 *
	 * @param WP_Post $post A WordPress post.
	 *
	 * @return array The enriched post.
	 */
	protected function build_post_data( $post ) {
		$meta_data = array();

		foreach ( $this->get_meta_keys() as $meta_key => $meta_info ) {
			$meta_data_for_key = $this->get_meta_value_wrapper( $meta_key, $post->ID );
			$post_type         = $post->post_type;

			/*
			 * If there is no meta_data for the current key, check for default settings
			 *
			 * For title we need to check if there is a modified SEO-title available and save it.
			 * If the SEO title was not modified, we check if the user specified a default SEO title for this content type.
			 * Otherwise we use a default title '%%title%% %%sep%% %%sitename%%' (WPSEO_Frontend::$default_title).
			 *
			 * If the meta description was not modified, we check if the user specified a default meta description for this content type.
			 */
			if ( $meta_data_for_key === '' ) {
				switch ( $meta_key ) {
					case 'title':
						$meta_data_for_key = $this->apply_default_title( $post_type );
						break;
					case 'metadesc':
						$meta_data_for_key = $this->get_options_wrapper( 'metadesc-' . $post_type, '' );
						break;
				}
			}

			// Get the name we use as a human readable meta_data label in the results.
			$meta_key_name = $meta_info['name'];
			// Apply json decoder to meta keys that are arrays (e.g., related keywords).
			if ( $meta_info['should_decode'] ) {
				$meta_data[ $meta_key_name ] = json_decode( $meta_data_for_key );
			}
			else {
				$meta_data[ $meta_key_name ] = $meta_data_for_key;
				if ( $meta_info['should_replace_vars'] ) {
					$meta_data[ $meta_key_name ] = $this->process_replacevars( $meta_data_for_key, $post );
				}
			}
		}

		return array(
			'ID'           => $post->ID,
			'post_content' => $this->process_shortcodes( $post ),
			'meta'         => $meta_data,
		);
	}
}