Ds\Deque::isEmpty
(PECL ds >= 1.0.0)
Ds\Deque::isEmpty — Returns whether the deque is empty
Description
Returns whether the deque is empty.
Parameters
This function has no parameters.
Return Values
Returns true if the deque is empty, false otherwise.
Examples
Example #1 Ds\Deque::isEmpty() example
<?php
$a = new \Ds\Deque([1, 2, 3]);
$b = new \Ds\Deque();
var_dump($a->isEmpty());
var_dump($b->isEmpty());
?>
The above example will output something similar to:
bool(false) bool(true)

