Ds\Set::isEmpty
(PECL ds >= 1.0.0)
Ds\Set::isEmpty — 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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