What is the knowledge about PHP objects?
This article mainly explains "what is the knowledge related to PHP object". The content of the explanation is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what is the knowledge related to PHP object".
Object passing: one saying is that "PHP objects are passed by reference," or more accurately, aliases (identifiers) are passed, that is, they all hold a copy of the same identifier (ID), which points to the real content of the same object.
