is_callable()

is_callable()

function is_callable(mixed $value): bool

Checks whether a variable can be called as a function.

Parameters:

• $value (mixed)

Returns: bool

Availability

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

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

Internals

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