Ds\Map::hasKey
(PECL ds >= 1.0.0)
Ds\Map::hasKey — Determines whether the map contains a given key
Description
Determines whether the map contains a given key.
Liste de paramètres
-
key -
The key to look for.
Valeurs de retour
Returns true if the key could found, false otherwise.
Exemples
Exemple #1 Ds\Map::hasKey() example
<?php
$map = new \Ds\Map(["a" => 1, "b" => 2, "c" => 3]);
var_dump($map->hasKey("a")); // true
var_dump($map->hasKey("e")); // false
?>Résultat de l'exemple ci-dessus est similaire à :
bool(true) bool(false)
add a note
User Contributed Notes
There are no user contributed notes for this page.
