$result = Arrays::concat(array(array(1, 2), array(3, 4)));
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 )
public static function concat(array $arrays) { if (empty($arrays)) { return array(); } return call_user_func_array('array_merge', $arrays); }
public function getParameters() { return Arrays::concat(Arrays::map($this->conditions, function (WhereClause $where) { return $where->getParameters(); })); }