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Latest Version [8.00202205221] Last Updated [May-22-2022]

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PHP Manual [Ds\Stack

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PHP Manual || Stack

(PECL ds >= 1.0.0)

Ds\Stack::isEmptyReturns whether the stack is empty

Description

public Ds\Stack::isEmpty ( void ) : bool

Returns whether the stack is empty.

Parameters

This function has no parameters.

Return Values

Returns TRUE if the stack is empty, FALSE otherwise.

Examples

Example #1 Ds\Stack::isEmpty() example

<?php
$a 
= new \Ds\Stack([123]);
$b = new \Ds\Stack();

var_dump($a->isEmpty());
var_dump($b->isEmpty());
?>

The above example will output something similar to:

bool(false)
bool(true)


PHP Manual || Stack