nikic/PHP-Parser · error · \InvalidArgumentException

Name cannot be empty

Error message

Name cannot be empty

What it means

Error "Name cannot be empty" thrown in nikic/PHP-Parser.

Source

Thrown at lib/PhpParser/Node/Name.php:254

            return new static(
                self::prepareName($name1) . '\\' . self::prepareName($name2), $attributes
            );
        }
    }

    /**
     * Prepares a (string, array or Name node) name for use in name changing methods by converting
     * it to a string.
     *
     * @param string|string[]|self $name Name to prepare
     *
     * @psalm-return non-empty-string
     * @return string Prepared name
     */
    private static function prepareName($name): string {
        if (\is_string($name)) {
            if ('' === $name) {
                throw new \InvalidArgumentException('Name cannot be empty');
            }

            return $name;
        }
        if (\is_array($name)) {
            if (empty($name)) {
                throw new \InvalidArgumentException('Name cannot be empty');
            }

            return implode('\\', $name);
        }
        if ($name instanceof self) {
            return $name->name;
        }

        throw new \InvalidArgumentException(
            'Expected string, array of parts or Name instance'
        );

View on GitHub (pinned to fbd47f7ebc)

When it happens

Trigger: Thrown at lib/PhpParser/Node/Name.php:254 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of nikic/PHP-Parser@fbd47f7ebc (2026-08-17). Data as JSON: /api/errors/5c8824df4cce3620. Report an issue: GitHub.