fprintf()

fprintf()

function fprintf(resource $stream, string $format, ...$values): int

Write a formatted string to a stream.

Parameters:

• $stream (resource)
• $format (string)
• ...$values — variadic: collects excess arguments into $values.

Returns: int

Availability

• Compiled (AOT): supported by the Elephc code generator.
• eval() (magician interpreter): supported — declarative interpreter builtin (crates/elephc-magician/src/interpreter/builtins/filesystem/fprintf.rs).

No examples yet — check examples/ and showcases/ for usage patterns.

Internals

For how fprintf is implemented in the compiler, see the internals page.