protected function _verifyClause(GroupByClause $clause, $fields)
{
$fields = Arrays::fuse($fields);
foreach ($clause->getFields() as $field) {
unset($fields[$field->getField()]);
}
return empty($fields);
}
public function testArrayFuse()
{
$this->assertEquals([], Arrays::fuse([]));
$this->assertEquals(['x' => 'x'], Arrays::fuse(['x']));
}
/**
* Simplifies a common use of `array_combine()`. Specifically, this:
*
* COUNTEREXAMPLE:
* if ($list) {
* $result = array_combine($list, $list);
* } else {
* // Prior to PHP 5.4, array_combine() failed if given empty arrays.
* $result = array();
* }
*
* ...is equivalent to this:
*
* $result = array_fuse($list);
*
* @param $list array List of scalars.
*
* @return array Dictionary with inputs mapped to themselves.
* @group util
*
* @deprecated
*/
function array_fuse(array $list)
{
return \Packaged\Helpers\Arrays::fuse($list);
}
