array_sample_size.php

<?php

// Implementation like lodash’s `sampleSize()`
// https://lodash.com/docs/4.17.15#sampleSize
function array_sample_size(array $array, int $size = 1)
{
	$size = min($size, count($array));
	$keys = array_rand($array, $size);

	if (!is_array($keys)) {
		$keys = [$keys];
	}

	$result = [];

	foreach ($keys as $key) {
		$result[] = $array[$key];
	}

	return $result;
}