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imagefilledrectangle() — internals

Compiler internals for imagefilledrectangle(): lowering path, type checks, and runtime helpers.

imagefilledrectangle() — internals

Where it lives

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 imagefilledrectangle(mixed $image, int $x1, int $y1, int $x2, int $y2, int $color): bool

What the type checker enforces

  • Arity: takes exactly 6 arguments.

Eval interpreter (magician)

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

Cross-references