imagewebp() — internals

imagewebp() — internals

Where it lives

• Signature: crates/elephc-builtin-contract/src/catalog_data.rs
• Lowering: src/image_prelude.rs:3633 (imagewebp)
• Function symbol: imagewebp()

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 imagewebp(mixed $image, ?string $file = null, int $quality = -1): bool

What the type checker enforces

• Arity: takes 1–3 arguments (2 optional).

Eval interpreter (magician)

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

Cross-references

• User reference for imagewebp()