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Informations about the package map
Map
Map allows you to use an array-like object which allows keys to be of any type as opposed to the default integer or string types.
Installation
Install with:
Usage
To use Map you only need to create an instance of it and start using it as if it was an regular array:
You can use any type you want as key. If you want, you can even mix them:
API
The following functions are available in the Map class.
has:
Checks whether a key exists or not:
get:
Returns the value associated with the given key:
Optionally, a fallback value can be returned if the given key does not exist:
set:
Assigns the given value to the given key:
keys:
Returns the array of keys for that instance:
values:
Returns the array of values for that instance:
map:
Similar to array_map but it returns another Map instance instead. The callable function may have the key as a
second argument:
Interfaces
The Map class implements the following interfaces:
