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PHP Architect · Vol 22, Issue 4 · April 2023

DDD Alley: DDD Alley: Impedance Mismatch

by Edward Barnard

When I drew out our PHP application on the whiteboard, it looked like a Big Ball of Mud. We changed the drawing slightly, and something interesting appeared.

The full article is in PHP Architect Vol 22, Issue 4. Subscribe to read it and every new issue.

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Edward Barnard

About the author

Edward Barnard

Ed Barnard had a front-row seat when the Morris Worm took down the Internet, November 1988. He was teaching CRAY-1 supercomputer operating system internals to analysts as they were being directly hit by the Worm. It was a busy week! Ed continues to indulge his interests in computer security and teaching software concepts to others.

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