strtoupper()

strtoupper()

function strtoupper(string $string): string

Converts a string to uppercase.

Parameters:

• $string (string)

Returns: string

Availability

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

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

Internals

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