Ds\Collection::isEmpty
(PECL ds >= 1.0.0)
Ds\Collection::isEmpty — Returns whether the collection is empty
Description
abstract public Ds\Collection::isEmpty(): bool
Returns whether the collection is empty.
Parameters
This function has no parameters.
Return Values
Returns true if the collection is empty, false otherwise.
Examples
Example #1 Ds\Collection::isEmpty() example
<?php
$a = new \Ds\Vector([1, 2, 3]);
$b = new \Ds\Vector();
var_dump($a->isEmpty());
var_dump($b->isEmpty());
?>
The above example will output something similar to:
bool(false) bool(true)
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