in_array() — internals

in_array() — internals

Where it lives

• Signature: src/builtins/array/in_array.rs
• Lowering: src/codegen/lower_inst/builtins/arrays.rs:1786 (lower_in_array)
• Function symbol: lower_in_array()

Lowering notes

• Lowers in_array() for indexed and associative arrays with PHP loose or strict membership.

Runtime helpers

No direct __rt_* helpers captured — the lowering is inlined or routes through another builtin.

Signature summary

function in_array(mixed $needle, array $haystack, bool $strict = false): bool

What the type checker enforces

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

Eval interpreter (magician)

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

Cross-references

• User reference for in_array()