Ds\Map::hasValue

(PECL ds >= 1.0.0)

Ds\Map::hasValue — Determines whether the map contains a given value

public Ds\Map::hasValue(mixed $value): bool

Determines whether the map contains a given value.

Returns true if the value could found, false otherwise.

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

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

var_dump($map->hasValue(1)); // true
var_dump($map->hasValue(4)); // false
?>

The above example will output something similar to:

bool(true)
bool(false)

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