Php/docs/ds-set.union
From Get docs
Ds\Set::union
(PECL ds >= 1.0.0)
Ds\Set::union — Creates a new set using values from the current instance and another set
Description
Creates a new set that contains the values of the current instance as well as the
values of another set
.
A ∪ B = {x: x ∈ A ∨ x ∈ B}
Parameters
set
- The other set, to combine with the current instance.
Return Values
A new set containing all the values of the current instance as well as another set
.
Examples
Example #1 Ds\Set::union() example
<?php$a = new \Ds\Set([1, 2, 3]);$b = new \Ds\Set([3, 4, 5]);var_dump($a->union($b));?>
The above example will output something similar to:
object(Ds\Set)#3 (5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) }