/**
* @param array|object $map
* @return array
*/
function mapAsArray($map)
{
if (is_array($map)) {
return $map;
} elseif (!is_object($map)) {
throw new \InvalidArgumentException('A map must be an array or an object.');
} elseif ($map instanceof \Iterator) {
return iterator_to_array($map);
} elseif ($map instanceof \Traversable) {
$array = [];
foreach ($map as $key => $value) {
$array[$key] = $value;
}
return $array;
}
return extractObjectVars($map);
}
/**
* @param mixed $value
* @return \Closure
*/
function hasValue($value)
{
return function ($item) use($value) {
if (!is_array($item) && !is_object($item)) {
return false;
}
/** @var object|array $item */
if (is_object($item)) {
$clone = clone $item;
unset($item);
$clone instanceof \Traversable or $clone = extractObjectVars($clone);
$item = $clone;
}
foreach ($item as $element) {
if ($element === $value) {
return true;
}
}
return false;
};
}
