WS\Utils\Collections\Functions\Group\Aggregator\Last

Complexity

Total Complexity

3

Size/Duplication

Total Lines	16
Duplicated Lines	0 %

Test Coverage

Coverage

85.71%

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	3	1
A	__invoke()	0	6	2

<?php

namespace WS\Utils\Collections\Functions\Group\Aggregator;

use WS\Utils\Collections\Collection;
use WS\Utils\Collections\Functions\ObjectFunctions;

class Last
{

    private $fieldName;

    public function __construct(string $fieldName)
    {
        $this->fieldName = $fieldName;
    }

    public function __invoke(Collection $collection)
    {
        if (!$last = $collection->stream()->findLast()) {
            return null;
        }
        return ObjectFunctions::getPropertyValue($last, $this->fieldName);
    }
}