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Contributing to xPDO
xPDO is an object-oriented framework on which MODX Revolution is built. It is maintained in a separate git repository from revolution and contributing to the xPDO core of MODX requires some additional work. xPDO contributors should follow the same ba...
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Getting started with xPDO
Design Patterns¶ There are a number of important design patterns that inspired the development of xPDO. These patterns are well described and are a part of Martin Fowler's Patterns of Enterprise Application Architecture (P of EAA). These include, but...
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Getting started with xPDO
Design Patterns¶ There are a number of important design patterns that inspired the development of xPDO. These patterns are well described and are a part of Martin Fowler's Patterns of Enterprise Application Architecture (P of EAA). These include, but...
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xPDO
xPDO is the object-relational-bridge that is built into MODX. Simply put, it's how MODX connects to the database, and how it interacts with different tables. In MODX 2.x, the modX class directly extends xPDO. While in hindsight that's not the best de...
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Retrieving Objects
To get Objects in xPDO, there are a variety of methods. The two basic themes we'll concern ourselves with here is in the differences between an Object, a Collection, and an Iterator. An Object is a single xPDOObject, nothing more, nothing less. It is...