Zicht\Itertools\lib\Traits\FilterTrait

Complexity

Total Complexity

2

Size/Duplication

Total Lines	24
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	filter()	0	14	2

<?php
/**
 * @copyright Zicht Online <http://zicht.nl>
 */

namespace Zicht\Itertools\lib\Traits;

use Zicht\Itertools\conversions;
use Zicht\Itertools\lib\FilterIterator;

trait FilterTrait
{
    /**
     * Make an iterator that returns values from this iterable where the
     * $strategy determines that the values are not empty.
     *
     * @param null|string|\Closure $strategy Optional, when not specified !empty will be used
     * @return FilterIterator
     */
    public function filter($strategy = null)
    {
        if ($this instanceof \Iterator) {
            $strategy = conversions\mixed_to_value_getter($strategy);

The function Zicht\Itertools\conversions\mixed_to_value_getter() has been deprecated with message: Use \Zicht\Itertools\util\Conversions::mixedToClosure, will be removed in version 3.0

            $isValid = function ($value, $key) use ($strategy) {
                $tempVarPhp54 = $strategy($value, $key);
                return !empty($tempVarPhp54);
            };

            return new FilterIterator($isValid, $this);
        }

        return null;
    }
}