Ds\Set::isEmpty

    (PECL ds >= 1.0.0)

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

    Description

    publicDs\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)
    To Top