vipnytt\RobotsTxtParser\Handler\PhpAddOnTrait

Complexity

Total Complexity

20

Size/Duplication

Total Lines	77
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	0

Importance

Changes	1
Bugs	1	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
B	arrayDiffAssocRecursive()	0	16	8
B	arrayFilterRecursive()	0	12	5
B	arrayMergeRecursiveEx()	0	21	7

<?php
/**
 * vipnytt/RobotsTxtParser
 *
 * @link https://github.com/VIPnytt/RobotsTxtParser
 * @license https://github.com/VIPnytt/RobotsTxtParser/blob/master/LICENSE The MIT License (MIT)
 */

namespace vipnytt\RobotsTxtParser\Handler;

/**
 * Class PhpAddOnTrait
 *
 * @package vipnytt\RobotsTxtParser\Handler
 */
trait PhpAddOnTrait
{
    /**
     * array_diff_assoc_recursive
     * @link http://php.net/manual/en/function.array-diff-assoc.php#111675
     *
     * @param array $array1
     * @param array $array2
     * @return array
     */
    private function arrayDiffAssocRecursive(&$array1, &$array2)
    {
        $difference = [];
        foreach ($array1 as $key => $value) {
            if (is_array($value)) {
                if (!isset($array2[$key]) || !is_array($array2[$key])) {
                    $difference[$key] = $value;
                } elseif (!empty($new_diff = $this->arrayDiffAssocRecursive($value, $array2[$key]))) {
                    $difference[$key] = $new_diff;
                }
            } elseif (!array_key_exists($key, $array2) || $array2[$key] !== $value) {
                $difference[$key] = $value;
            }
        }
        return $difference;
    }

    /**
     * array_filter_recursive
     * @link http://php.net/manual/en/function.array-filter.php#87581
     *
     * @param array $array
     * @return array
     */
    private function arrayFilterRecursive(&$array)
    {
        foreach ($array as $key => $item) {
            is_array($item) && $array[$key] = $this->arrayFilterRecursive($item);
            if ($array[$key] === null ||
                $array[$key] === []
            ) {
                unset($array[$key]);
            }
        }
        return $array;
    }

    /**
     * array_merge_recursive_ex
     * @link http://stackoverflow.com/a/25712428/4396537
     *
     * @param array $array1
     * @param array $array2
     * @return array
     */
    private function arrayMergeRecursiveEx(array $array1, array &$array2)
    {
        $merged = $array1;
        foreach ($array2 as $key => &$value) {
            if (is_array($value) &&
                isset($merged[$key]) &&
                is_array($merged[$key])
            ) {
                $merged[$key] = $this->arrayMergeRecursiveEx($merged[$key], $value);
            } else {
                if (is_numeric($key)) {
                    if (!in_array($value, $merged)) {
                        $merged[] = $value;
                    }
                } else {
                    $merged[$key] = $value;
                }
            }
        }
        return $merged;
    }
}