In Arizona is employer required to pay for PTO when employee quits or is terminated? Both or neither?

It depends on the employer's policy. If the employer has a policy or routine practice of paying out accrued PTO when an employee quits, then the employer would need to do the same for you. In some states (like California), employers are required to pay out accrued PTO, but Arizona isn't quite there yet. Good luck.

Generally, the answer is no. There is no statute in Arizona that requires an employer to pay accrued but unused PTO upon termination, regardless of the reason for termination of employment. A company, however, may elect to pay PTO under some but not all circumstances. You should review whether the company has such a policy and find out whether you are eligible.