Overrides Drupal\Core\SystemListing::process().
Overrides SystemListing::process
protected function process(array $files, array $files_to_add) {
// Duplicate files found in later search directories take precedence over
// earlier ones, so we want them to overwrite keys in our resulting
// $files array.
// The exception to this is if the later file is from a module or theme not
// compatible with Drupal core. This may occur during upgrades of Drupal
// core when new modules exist in core while older contrib modules with the
// same name exist in a directory such as /modules.
foreach (array_intersect_key($files_to_add, $files) as $file_key => $file) {
// If it has no info file, then we just behave liberally and accept the
// new resource on the list for merging.
if (file_exists($info_file = dirname($file->uri) . '/' . $file->name . '.info')) {
// Get the .info file for the module or theme this file belongs to.
$info = drupal_parse_info_file($info_file);
// If the module or theme is incompatible with Drupal core, remove it
// from the array for the current search directory, so it is not
// overwritten when merged with the $files array.
if (isset($info['core']) && $info['core'] != DRUPAL_CORE_COMPATIBILITY) {
unset($files_to_add[$file_key]);
}
}
}
return $files_to_add;
}