What are the visa & residency requirements in Morocco?

"In order to visit Morocco, foreign nationals must obtain a visa prior to their arrival. The process of applying for a visa involves submitting an application form, a valid passport, two passport-sized photographs, and a fee. Depending on the purpose of the visit, additional documents may be required. In order to obtain residency in Morocco, foreign nationals must submit an application form, a valid passport, two passport-sized photographs, a valid residence permit, and a fee. Depending on the purpose of the residency, additional documents may be required. The application process may also involve an interview with a representative from the Moroccan government," explained one expat living in Morocco.