Notes related to Laravel collections

help.php

<?php

    # 1
    $rows = collect(['Administration', 'Samples', 'Test 1', 'Test 2',]);

    # running filter on the collection, if true is returned from the callback then the element will remain the in collection.
    $rows = $rows->filter(function($item){
        // dump($item);
        # creating a collection, then checking with contains($item['name']) if the collection contains the item, using a ! at the start to not include the items which are in the checked collection.
        return !collect(['Administration', 'Samples',])->contains($item['name']);
    });

    dd($rows);


    # 2
    # use map to add a new field to the collection
    $rows = User::select(['id', 'title', 'created_at'])->get()->map(function($user){
        $user->registered = $user->created_at->diffForHumans();
        return $user;
    });

    dd($rows);