array_key_exists() — internals

array_key_exists() — internals

Where it lives

• Signature: src/builtins/array/array_key_exists.rs
• Lowering: src/codegen/lower_inst/builtins/arrays/key_exists.rs:22 (lower_array_key_exists)
• Function symbol: lower_array_key_exists()

Lowering notes

• Lowers array_key_exists() for indexed arrays and associative arrays.

Runtime helpers

The following runtime helpers are referenced:

• __rt_hash_get

Signature summary

function array_key_exists(string $key, array $array): bool

What the type checker enforces

• Arity: takes exactly 2 arguments.

Eval interpreter (magician)

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

Cross-references

• User reference for array_key_exists()