(PECL ds >= 1.0.3)
Ds\Set::merge — Returns the result of adding all given values to the set
public Ds\Set::merge ( mixed $values ) : Ds\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.
Note:
The current instance won't be affected.
Example #1 Ds\Set::merge() example
<?php $set = new \Ds\Set([1, 2, 3]); var_dump($set->merge([3, 4, 5])); var_dump($set); ?>
The above example will output something similar to:
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)
}
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https://www.php.net/manual/en/ds-set.merge.php