Php/docs/ds-deque.isempty

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Ds\Deque::isEmpty

(PECL ds >= 1.0.0)

Ds\Deque::isEmptyReturns whether the deque is empty


Description

public Ds\Deque::isEmpty ( ) : bool

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)