Php/docs/ds-map.haskey
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Ds\Map::hasKey
(PECL ds >= 1.0.0)
Ds\Map::hasKey — Determines whether the map contains a given key
Description
public Ds\Map::hasKey
( mixed $key
) : bool
Determines whether the map contains a given key.
Parameters
key- The key to look for.
Return Values
Returns TRUE if the key could found, FALSE otherwise.
Examples
Example #1 Ds\Map::hasKey() example
<?php$map = new \Ds\Map(["a" => 1, "b" => 2, "c" => 3]);var_dump($map->hasKey("a")); // truevar_dump($map->hasKey("e")); // false?>
The above example will output something similar to:
bool(true) bool(false)
