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Zend Framework: Zend_Io Component Proposal

Table of Contents

1. Overview

Zend_Io is intended to be used by any application that requires to transform between primitive PHP types and binary form and read/write that data to a character stream.

2. References

• PHP Reader Project

3. Component Requirements, Constraints, and Acceptance Criteria

• This component will read primitive PHP types from character streams.
• This component will write primitive PHP types into character streams.

"Please note" Zend_Io will not be a mere wrapper for PHP streams but rather provide a unified API to byte transformations allowing anyone to use regular PHP functions to manipulate the same file descriptor.

4. Dependencies on Other Framework Components

• Zend_Exception

5. Theory of Operation

6. Milestones / Tasks

• Milestone 1: Working prototype transformed from existing code and checked into the incubator (necessary tasks: conform to Zend naming conventions, refactor to support the new API described here, and add support for Zend_Config).
• Milestone 2: Unit tests exist, work, and are checked into SVN.
• Milestone 3: Initial documentation exists.

7. Class Index

• Zend_Io_Reader
• Zend_Io_FileReader
• Zend_Io_StringReader

• Zend_Io_Writer
• Zend_Io_FileWriter
• Zend_Io_StringWriter

• Zend_Io_Exception

8. Use Cases

... (see good use cases book)

9. Class Skeletons