Build a repeatable PHP-to-Java migration engine with Kiro
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This article outlines a repeatable methodology for migrating PHP applications to Java using Kiro, an AI-integrated development environment. The approach transforms migration from a manual effort into a measurable process by treating the original PHP code as the definitive specification. A key component is a mechanical discovery scanner that analyzes source tokens to generate a JSON manifest of models and relationships without executing the code. The workflow consists of eight phases, starting with building a parity harness to verify behavioral equivalence before any Java code is written. Developers can execute this engine interactively via Kiro or at scale using AWS Transform, both leveraging shared skill files for consistency. The process emphasizes fixing the generation loop through rulebook updates rather than manually patching generated code. This ensures that improvements to the methodology compound across multiple projects and frameworks.
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