Ds\Map::isEmpty

Ds\Map::isEmpty

(PECL ds >= 1.0.0)

Ds\Map::isEmptyReturns whether the map is empty

Description

public bool Ds\Map::isEmpty ( void )

Returns whether the map is empty.

Parameters

This function has no parameters.

Return Values

Returns TRUE if the map is empty, FALSE otherwise.

Examples

Example #1 Ds\Map::isEmpty() example

<?php
$a = new \Ds\Map(["a" => 1, "b" => 2, "c" => 3]);
$b = new \Ds\Map();

var_dump($a->isEmpty());
var_dump($b->isEmpty());
?>

The above example will output something similar to:

bool(false)
bool(true)

© 1997–2017 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/ds-map.isempty.php

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