exif_read_data() — internals

exif_read_data() — internals

Where it lives

• Signature: crates/elephc-builtin-contract/src/catalog_data.rs
• Lowering: src/image_prelude.rs:3940 (exif_read_data)
• Function symbol: exif_read_data()

Lowering notes

• Implemented by the compiler-injected image 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 exif_read_data(string $filename, ?string $required_sections = null, bool $as_arrays = false, bool $read_thumbnail = false): mixed

What the type checker enforces

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

Eval interpreter (magician)

Not callable from eval’d code — the magician interpreter has no entry for this builtin.

Cross-references

• User reference for exif_read_data()