array_merge_recursive() — internals

array_merge_recursive() — internals

Where it lives

• Signature: src/builtins/array/array_merge_recursive.rs
• Lowering: src/codegen/lower_inst/builtins/arrays.rs:1387 (lower_array_merge_recursive)
• Function symbol: lower_array_merge_recursive()

Lowering notes

• Lowers array_merge_recursive() (recursive merge with scalar collisions combined into lists).

Runtime helpers

The following runtime helpers are referenced:

• __rt_array_find_any_all
• __rt_array_merge_recursive
• __rt_array_udiff_uintersect

Signature summary

function array_merge_recursive(...$arrays): array

What the type checker enforces

• Arity: takes no arguments.
• Variadic: collects excess arguments into $arrays.

Eval interpreter (magician)

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

Cross-references

• User reference for array_merge_recursive()