the_author( string $deprecated = '', bool $deprecated_echo = true ): string

61function the_author( $deprecated = '', $deprecated_echo = true ) {62	if ( ! empty( $deprecated ) ) {63		_deprecated_argument( __FUNCTION__, '2.1.0' );64	}65 66	if ( true !== $deprecated_echo ) {67		_deprecated_argument(68			__FUNCTION__,69			'1.5.0',70			sprintf(71				/* translators: %s: get_the_author() */72				__( 'Use %s instead if you do not want the value echoed.' ),73				'<code>get_the_author()</code>'74			)75		);76	}77 78	if ( $deprecated_echo ) {79		echo get_the_author();80	}81 82	return get_the_author();83}