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

License

troublete/php-functional-collection

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