Ds\Pair::isEmpty
(No version information available, might only be in Git)
Ds\Pair::isEmpty — Returns whether the pair is empty
Description
public Ds\Pair::isEmpty ( ) : bool
Returns whether the pair is empty.
Parameters
This function has no parameters.
Return Values
Returns true if the pair is empty, false otherwise.
Examples
Example #1 Ds\Pair::isEmpty() example
<?php
$a = new \Ds\Pair("a", 1);
$b = new \Ds\Pair();
var_dump($a->isEmpty());
var_dump($b->isEmpty());
?> The above example will output something similar to:
bool(false) bool(true)
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/ds-pair.isempty.php