Functional Collection

Small functional multi-purpose collection

Insall

composer require troublete/collection

Usage

<?php
use function TryPhp\collection;
$collection = collection([1, 2, 3]);

// or

use TryPhp\FuntionalCollection;
$collection = new FunctionalCollection([1, 2, 3]);

API

of(...$values)

Setup new collection with provided values. immutable

map(callable $mapFunc)

Method which will be applied to each element in the value set of the collection. mutable

filter(callable $predicate)

Method which will create a collection copy and filter values by function (returning false filters value out). immutable

generator(): \Generator

Returns Generator over value set.

extract(): array

Will return value set.

extend(callable $func)

Method will call the provided Closure and inject set values. Returned values will be put into immutable FunctionalCollection and returned. immutable

concat(FunctionaCollection $collection)

Method will combine to value sets of two collection and return a new one with set values. immutable

chain(callable $map)

Method which will apply $map to every element in the value collection and will reduce the result and add it to the overall value set and create a immutable new collection with it. immutable

reduce(callable $func = null)

Method to reduce the value set (value by value) according to the result of calling $func and return the created accumulated value. If $func is null the raw value is used and added to the accumulator.

License

GPL-2.0 © 2018 Willi Eßer