spl_autoload_extensions() — internals

spl_autoload_extensions() — internals

Where it lives

• Signature: src/builtins/spl/spl_autoload_extensions.rs
• Lowering: src/codegen/lower_inst/builtins/spl.rs:178 (lower_spl_autoload_extensions)
• Function symbol: lower_spl_autoload_extensions()

Lowering notes

• Lowers spl_autoload_extensions() against the mutable extension globals.

Runtime helpers

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

Signature summary

function spl_autoload_extensions(string $file_extensions = null): string

What the type checker enforces

• Arity: takes 0–1 arguments (1 optional).

Eval interpreter (magician)

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

Cross-references

• User reference for spl_autoload_extensions()