get_the_title( int|WP_Post $post = 0 ): string

118function get_the_title( $post = 0 ) {119	$post = get_post( $post );120 121	$post_title = $post->post_title ?? '';122	$post_id    = $post->ID ?? 0;123 124	if ( ! is_admin() ) {125		if ( ! empty( $post->post_password ) ) {126 127			/* translators: %s: Protected post title. */128			$prepend = __( 'Protected: %s' );129 130			/**131			 * Filters the text prepended to the post title for protected posts.132			 *133			 * The filter is only applied on the front end.134			 *135			 * @since 2.8.0136			 *137			 * @param string  $prepend Text displayed before the post title.138			 *                         Default 'Protected: %s'.139			 * @param WP_Post $post    Current post object.140			 */141			$protected_title_format = apply_filters( 'protected_title_format', $prepend, $post );142 143			$post_title = sprintf( $protected_title_format, $post_title );144		} elseif ( isset( $post->post_status ) && 'private' === $post->post_status ) {145 146			/* translators: %s: Private post title. */147			$prepend = __( 'Private: %s' );148 149			/**150			 * Filters the text prepended to the post title of private posts.151			 *152			 * The filter is only applied on the front end.153			 *154			 * @since 2.8.0155			 *156			 * @param string  $prepend Text displayed before the post title.157			 *                         Default 'Private: %s'.158			 * @param WP_Post $post    Current post object.159			 */160			$private_title_format = apply_filters( 'private_title_format', $prepend, $post );161 162			$post_title = sprintf( $private_title_format, $post_title );163		}164	}165 166	/**167	 * Filters the post title.168	 *169	 * @since 0.71170	 *171	 * @param string $post_title The post title.172	 * @param int    $post_id    The post ID.173	 */174	return apply_filters( 'the_title', $post_title, $post_id );175}