PhpCsFixer\Fixer\Alias\PowToExponentiationFixer::isCandidate PHP Method

    public function isCandidate(Tokens $tokens)
    {
        // minimal candidate to fix is seven tokens: pow(x,x);
        return PHP_VERSION_ID >= 50600 && $tokens->count() > 7 && $tokens->isTokenKindFound(T_STRING);
    }