(PECL ds >= 1.0.0)
Ds\Stack::__construct — Creates a new instance
Creates a new instance, using either a traversable object or an array for the initial values.
values
A traversable object or an array to use for the initial values.
Example #1 Ds\Stack::__construct() example
<?php $stack = new \Ds\Stack(); print_r($stack); $stack = new \Ds\Stack([1, 2, 3]); print_r($stack); ?>
The above example will output something similar to:
Ds\Stack Object
(
)
Ds\Stack Object
(
[0] => 3
[1] => 2
[2] => 1
)
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https://www.php.net/manual/en/ds-stack.construct.php