Engineering,
taught
&
leadership,
practised.
I'm Steven — CTO at Digitonic, a PHP engineer since 2010 and a keen golfer with a terrible handicap. This is where I write it all down.
…and a few friends I can't name.
Latest from the journal
Add Input and Output Guardrails to a Laravel AI SDK Agent
The Laravel AI SDK ships no moderation API, but it does give you one clean interception seam. Here is how I wrap an agent with input and output guardrails using agent middleware.
Cut LLM Costs with a Semantic Response Cache in the Laravel AI SDK
Exact-match caching never fires on natural-language prompts. Here's how I cache LLM responses by meaning using embeddings, pgvector, and the Laravel AI SDK.
PHP 8.5 Attributes on Constants: A Real Deprecation Path at Last
PHP 8.5 finally lets attributes target global constants, so #[\Deprecated] works on them — and on traits. Here is what actually changed, and what will break if you ship it too early.