International PHP Conference Berlin 2025

Ds\Map::isEmpty

(PECL ds >= 1.0.0)

Ds\Map::isEmptyReturns whether the map is empty

Description

public Ds\Map::isEmpty(): bool

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)
add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top