Definition: The term "VCard PHP" refers to a powerful PHP library for converting text into XML files. It's designed to be extremely flexible, allowing you to easily convert any kind of document into an XML file. It's used in various applications where XML is needed, such as e-commerce platforms, website templates, or even data management systems. The word "VCard" stands for Virtual Card, which is the type of document that can be converted into an XML format by this library.