/**
* test array merge recursive
*
* @param array $data
*
* @dataProvider arrayDataProvider
* @requires arrayDataProvider
*/
public function testArrayMergeRecursive($data)
{
static $iteration = 1;
$merged = ArrayHelper::arrayMergeRecursive($data[0], $data[1], $data[2]);
$name = 'expectedArrayRecursive' . $iteration;
$expected = $this->{$name}();
$this->assertEquals($expected, $merged);
$iteration++;
}
/**
* return original data for key, before it was changed or whole original collection
* that method don't handle return data preparation
*
* @param null|string $key
* @return mixed
*/
public function getOriginalCollection($key = null)
{
$this->_prepareData($key);
$data = $this->_removeNewKeys($this->_COLLECTION);
$collection = [];
$index = 0;
for ($i = 0; $i < $this->_originalCollectionSize; $i++) {
if (in_array($i, $this->_removedKeys)) {
$collection[$i] = null;
$index++;
} else {
$collection[$i] = $data[$i - $index];
}
}
$mergedData = ArrayHelper::arrayMerge($collection, $this->_originalCollection);
if (!$key) {
return $mergedData;
}
if (array_key_exists($key, $mergedData)) {
return $mergedData[$key];
}
return null;
}