(PECL ds >= 1.0.0)
Ds\Deque::merge — Returns the result of adding all given values to the deque
public Ds\Deque::merge ( mixed $values ) : Ds\Deque
Returns the result of adding all given values to the deque.
values
A traversable object or an array.
The result of adding all given values to the deque, 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\Deque::merge() example
<?php $deque = new \Ds\Deque([1, 2, 3]); var_dump($deque->merge([4, 5, 6])); var_dump($deque); ?>
The above example will output something similar to:
object(Ds\Deque)#2 (6) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
[3]=>
int(4)
[4]=>
int(5)
[5]=>
int(6)
}
object(Ds\Deque)#1 (3) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
}
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https://www.php.net/manual/en/ds-deque.merge.php