(PECL ds >= 1.0.0)
Ds\Map::merge — Returns the result of adding all given associations.
Returns the result of associating all keys of a given traversable object or array with their corresponding values, combined with the current instance.
Note:
Values of the current instance will be overwritten by those provided where keys are equal.
valuesA traversable object or an array.
The result of associating all keys of a given traversable object or array with their corresponding values, combined with the current instance.
Note:
The current instance won't be affected.
Example #1 Ds\Map::merge() example
<?php
$map = new \Ds\Map(["a" => 1, "b" => 2, "c" => 3]);
print_r($map->merge(["a" => 10, "e" => 50]));
?>
以上例程的输出类似于：
Ds\Map Object
(
[0] => Ds\Pair Object
(
[key] => a
[value] => 10
)
[1] => Ds\Pair Object
(
[key] => b
[value] => 2
)
[2] => Ds\Pair Object
(
[key] => c
[value] => 3
)
[3] => Ds\Pair Object
(
[key] => e
[value] => 50
)
)