xmlwriter_start_document() — internals

xmlwriter_start_document() — internals

Where it lives

• Signature: crates/elephc-builtin-contract/src/catalog_xml.rs
• Lowering: src/xml_prelude/build/writer.rs:1264 (xmlwriter_start_document)
• Function symbol: xmlwriter_start_document()

Lowering notes

• Implemented by the compiler-injected xml prelude.

Semantic descriptor

Shared contract implemented by an injected elephc-PHP prelude.

EIR and runtime boundary

Implemented by an injected elephc-PHP prelude.

Signature summary

function xmlwriter_start_document(mixed $writer, ?string $version = '1.0', ?string $encoding = null, ?string $standalone = null): bool

What the type checker enforces

• Arity: takes 1–4 arguments (3 optional).

Eval interpreter (magician)

• Declaration: crates/elephc-magician/src/interpreter/builtins/xml/xmlwriter_start_document.rs (eval_builtin!)
• Execution: Magician interpreter adapter.
• Adapter reason: dynamic-language-surface.
• Dispatch hooks: direct, values

Cross-references

• User reference for xmlwriter_start_document()