/**
* Detects changes in the given list of files and emits signals if necessary.
*
* @param array $pathAndFilenames A list of full path and filenames of files to check
* @return array An array of changed files (key = path and filenmae) and their status (value)
*/
protected function detectChangedFiles(array $pathAndFilenames)
{
$changedFiles = array();
foreach ($pathAndFilenames as $pathAndFilename) {
$status = $this->changeDetectionStrategy->getFileStatus($pathAndFilename);
if ($status !== ChangeDetectionStrategyInterface::STATUS_UNCHANGED) {
$changedFiles[$pathAndFilename] = $status;
}
}
return $changedFiles;
}
