PHP - Manual: Ds\Set::merge
2024-11-15
(PECL ds >= 1.0.3)
Ds\Set::merge — Returns the result of adding all given values to the set
Returns the result of adding all given values to the set.
values
A traversable object or an array.
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.
示例 #1 Ds\Set::merge() example
<?php
$set = new \Ds\Set([1, 2, 3]);
var_dump($set->merge([3, 4, 5]));
var_dump($set);
?>
以上例程的输出类似于:
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) }