getprotobynumber() — internals

getprotobynumber() — internals

Where it lives

• Signature: src/builtins/io/getprotobynumber.rs
• Lowering: src/codegen/lower_inst/builtins/io.rs:3463 (lower_getprotobynumber)
• Function symbol: lower_getprotobynumber()

Lowering notes

• Lowers getprotobynumber(number) and boxes a missing entry as PHP false.

Runtime helpers

The following runtime helpers are referenced:

• __rt_getprotobynumber

Signature summary

function getprotobynumber(int $protocol): mixed

What the type checker enforces

• Arity: takes exactly 1 argument.

Eval interpreter (magician)

• Declaration: crates/elephc-magician/src/interpreter/builtins/network_env/getprotobynumber.rs (eval_builtin!)
• Dispatch hooks: direct, values

Cross-references

• User reference for getprotobynumber()