Ds\Set::merge

(PECL ds >= 1.0.3)

Ds\Set::merge — Returns the result of adding all given values to the set

説明

public function Ds\Set::merge(mixed $values): Ds\Set

Returns the result of adding all given values to the set.

パラメータ

values: A traversable object or an array.

戻り値

The result of adding all given values to the set, effectively the same as adding the values to a copy, then returning that copy.

注意:
The current instance won't be affected.

例

例1 Ds\Set::merge() example

<?php
$set = new \Ds\Set([1, 2, 3]);

var_dump($set->merge([3, 4, 5]));
var_dump($set);
?>

上の例の出力は、たとえば以下のようになります。

object(Ds\Set)#2 (6) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  int(3)
  [3]=>
  int(4)
  [4]=>
  int(5)
}
object(Ds\Set)#1 (3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  int(3)
}

関連キーワード:

values adding given merge copy dump reduce mixed traversable effectively returning current instance affected example