Create a collection of nested arrays recursively in Laravel 5.x

collect_recursive.php

<?php

function collect_recursive($value)
{
    if (is_array($value)) {
        $c = collect($value);
    }
    
    $collection = $c->map(function ($item, $key) {
        if (is_array($item)) {
            return collect_recursive($item);
        }
    });
    
    return $collection;
};