BaoPham\DynamoDb\EmptyAttributeFilter

Complexity

Total Complexity

12

Size/Duplication

Total Lines	26
Duplicated Lines	0 %

Test Coverage

Coverage

92.31%

Importance

Changes	2
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	2	1
B	filter()	0	16	11

<?php

namespace BaoPham\DynamoDb;

class EmptyAttributeFilter
{
    public function __construct()
    {
        //
    }

    /**
     * Set empty values to NULL since DynamoDB does not like empty values.
     */
    public function filter(&$store)
    {
        foreach ($store as $key => &$value) {
            $value = is_string($value) ? trim($value) : $value;
            $empty = $value === null || (is_array($value) && empty($value));

            $empty = $empty || (is_scalar($value) && $value !== false && (string) $value === '');

            if ($empty) {
                $store[$key] = null;
            } else {
                if (is_object($value)) {
                    $value = (array) $value;
                }
                if (is_array($value)) {
                    $this->filter($value);
                }
            }
        }
    }
}