if (!isset($contentType)) {
$extension = strtolower(substr($file->getPath(), strrpos($file->getPath(), '.') + 1));
- if (array_key_exists($extension, $this->mimeTypes)) {
+ if (\array_key_exists($extension, $this->mimeTypes)) {
$this->setContentType($this->mimeTypes[$extension]);
}
}