file_get_contents() — internals

file_get_contents() — internals

Where it lives

• Signature: src/builtins/io/file_get_contents.rs
• Lowering: src/codegen/lower_inst/builtins/io.rs:38 (lower_file_get_contents)
• Function symbol: lower_file_get_contents()

Lowering notes

• Lowers file_get_contents(path) and boxes the runtime string-or-false result.

Runtime helpers

The following runtime helpers are referenced:

• __rt_file_get_contents_maybe_url
• __rt_php_input

Signature summary

function file_get_contents(string $filename): mixed

What the type checker enforces

• Arity: takes exactly 1 argument.

Eval interpreter (magician)

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

Cross-references

• User reference for file_get_contents()