Add Mike Karthauser podcast episode

Testing Legacy

source/_podcast_episodes/7-mike-karthauser-testing-legacy.md

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+---
+date: 2024-01-10
+topic: Testing Legacy
+guests:
+  - Mike Karthauser
+transistor:
+  id: c264ca69
+links:
+-
+ - Huboo
+ - https://huboo.com
+-
+ - PHPUnit
+ - https://phpunit.de
+-
+ - Laravel
+ - https://laravel.com
+-
+ - Expression Engine
+ - https://expressionengine.com
+-
+ - PHPBench
+ - https://phpbench.com
+-
+ - Working in small batches
+ - http://www.startuplessonslearned.com/2009/02/work-in-small-batches.html
+-
+ - Cyclomatic complexity
+ - https://en.wikipedia.org/wiki/Cyclomatic_complexity
+-
+ - Shopify
+ - https://www.shopify.com
+-
+  - Drupal Commerce
+  - https://drupalcommerce.org
+-
+ - PHP South West
+ - https://phpsw.uk
+-
+  - Automica labs
+  - https://automica.io
+-
+  - Mike on LinkedIn
+  - https://www.linkedin.com/in/mikekarthauser
+---
+
+Oliver and Mike discuss e-commerce, legacy code, technical debt, automated testing, test-driven development, refactoring, code vs. no-code solutions, and Mike's recent talk at PHP South West in Bristol.