array_reduce()

array_reduce()

function array_reduce(array $array, callable $callback, mixed $initial = null): int

Iteratively reduces an array to a single value using a callback function.

Parameters:

• $array (array)
• $callback (callable)
• $initial (mixed), default null, optional

Returns: int

Availability

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

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

Internals

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