Min

:::info[Note] This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information. :::

Returns the smallest element of the given Traversable, or null if the Traversable is empty

namespace HH\Lib\Math;

function min<T as num>(
  Traversable<T> $numbers,
): ?T;

• For a known number of inputs, see Math\minva().
• To find the largest number, see Math\max().

Parameters

• Traversable<T>$numbers

Returns

• ?T

Examples

$v = vec[3, 2, 6, 1, 4];
$min = Math\min($v);
echo "The min is $min";