pestphp/pest · error · InvalidArgumentException

The version must start with [<, >, <=, >=] or a number.

Error message

The version must start with [<, >, <=, >=] or a number.

What it means

Error "The version must start with [<, >, <=, >=] or a number." thrown in pestphp/pest.

Source

Thrown at src/PendingCalls/TestCall.php:240

        return $this;
    }

    public function skipOnPhp(string $version): self
    {
        if (mb_strlen($version) < 2) {
            throw new InvalidArgumentException('The version must start with [<] or [>].');
        }

        if (str_starts_with($version, '>=') || str_starts_with($version, '<=')) {
            $operator = substr($version, 0, 2);
            $version = substr($version, 2);
        } elseif (str_starts_with($version, '>') || str_starts_with($version, '<')) {
            $operator = $version[0];
            $version = substr($version, 1);
        } elseif (is_numeric($version[0])) {
            $operator = '==';
        } else {
            throw new InvalidArgumentException('The version must start with [<, >, <=, >=] or a number.');
        }

        return $this->skip(version_compare(PHP_VERSION, $version, $operator), sprintf('This test is skipped on PHP [%s%s].', $operator, $version));
    }

    public function skipOnWindows(): self
    {
        return $this->skipOnOs('Windows', 'This test is skipped on [Windows].');
    }

    public function skipOnMac(): self
    {
        return $this->skipOnOs('Darwin', 'This test is skipped on [Mac].');
    }

    public function skipOnLinux(): self
    {
        return $this->skipOnOs('Linux', 'This test is skipped on [Linux].');

View on GitHub (pinned to 1af74a215c)

When it happens

Trigger: Thrown at src/PendingCalls/TestCall.php:240 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of pestphp/pest@1af74a215c (2026-08-21). Data as JSON: /api/errors/5aac581423eef617. Report an issue: GitHub.