wp_count_terms( array|string $args = array(), array|string $deprecated = '' ): string|WP_Error

1950function wp_count_terms( $args = array(), $deprecated = '' ) {1951	$use_legacy_args = false;1952 1953	// Check whether function is used with legacy signature: `$taxonomy` and `$args`.1954	if ( $args1955		&& ( is_string( $args ) && taxonomy_exists( $args )1956			|| is_array( $args ) && wp_is_numeric_array( $args ) )1957	) {1958		$use_legacy_args = true;1959	}1960 1961	$defaults = array( 'hide_empty' => false );1962 1963	if ( $use_legacy_args ) {1964		$defaults['taxonomy'] = $args;1965		$args                 = $deprecated;1966	}1967 1968	$args = wp_parse_args( $args, $defaults );1969 1970	// Backward compatibility.1971	if ( isset( $args['ignore_empty'] ) ) {1972		$args['hide_empty'] = $args['ignore_empty'];1973		unset( $args['ignore_empty'] );1974	}1975 1976	$args['fields'] = 'count';1977 1978	return get_terms( $args );1979}