Ds\Set::isEmpty

(PECL ds >= 1.0.0)

Ds\Set::isEmpty — Returns whether the set is empty

Description

public Ds\Set::isEmpty(): bool

Returns whether the set is empty.

Parameters

This function has no parameters.

Return Values

Returns true if the set is empty, false otherwise.

Examples

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

<?php
$a = new \Ds\Set([1, 2, 3]);
$b = new \Ds\Set();

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

The above example will output something similar to:

bool(false)
bool(true)