Ds\Map::hasValue
(PECL ds >= 1.0.0)
Ds\Map::hasValue — Determines whether the map contains a given value
Description
public Ds\Map::hasValue ( mixed $value ) : bool
Determines whether the map contains a given value.
Parameters
-
value -
The value to look for.
Return Values
Returns true if the value could found, false otherwise.
Examples
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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https://www.php.net/manual/en/ds-map.hasvalue.php