array_keys()

array_keys()

function array_keys(array $array): array

Returns all the keys of an array.

Parameters:

• $array (array)

Returns: array

Availability

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

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

Internals

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