- Add build-typephp-program.sh script for compiling PHP to WASI
- Integrate HTTP fetch capability via file_get_contents() using WASI HTTP
- Move WASI builder script from projects/php-8.5.9/wasm to wasm directory
- Add PhpxLocator class to resolve PHPX directory with proper fallback logic
- Update compiler to pass PHPX directory and compiler executable to builder
- Add WASI SDK layout
- Add WasiProjectConfig class for managing WASI project configurations
- Implement --wasm=[browser|component] option parsing in compiler CLI
- Add automatic WASI detection based on project.yml files
- Integrate Jco for browser component generation
- Update documentation to reflect WASI 0.2 (Preview 2) support
- Add example wasm-hello project with browser demo
- Create index.html and main.js for browser-based WASI execution
- Implement OPFS persistence for virtual filesystem in browser
- Add type-safe environment variable handling for WASI builds
- Update compiler help text to show new WASM options
- Replace WASI Preview 1 references with WASI 0.2 terminology
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