WS\Utils\Collections\Functions\Group\Aggregator\First

Complexity

Total Complexity

3

Size/Duplication

Total Lines	17
Duplicated Lines	0 %

Test Coverage

Coverage

85.71%

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__invoke()	0	7	2
A	__construct()	0	3	1

<?php

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

use WS\Utils\Collections\Functions\ObjectFunctions;

class First
{

    private $sourceKey;

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

    public function __invoke(iterable $collection)
    {
        foreach ($collection as $element) {
            return ObjectFunctions::getPropertyValue($element, $this->sourceKey);
        }

        return null;
    }
}