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)
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https://www.php.net/manual/en/ds-set.isempty.php