function MimeTypeGuesser::guessMimeType

File

core/lib/Drupal/Core/File/MimeType/MimeTypeGuesser.php, line 54

Class

MimeTypeGuesser

Defines a MIME type guesser that also supports stream wrapper paths.

Namespace

Code

public function guessMimeType(string $path) : ?string {
  if ($wrapper = $this->streamWrapperManager
    ->getViaUri($path)) {
    // Get the real path from the stream wrapper, if available. Files stored
    // in remote file systems will not have one.
    $real_path = $wrapper->realpath();
    if ($real_path !== FALSE) {
      $path = $real_path;
    }
  }
  if ($this->sortedGuessers === NULL) {
    // Sort is not triggered yet.
    $this->sortedGuessers = $this->sortGuessers();
  }
  foreach ($this->sortedGuessers as $guesser) {
    $mime_type = $guesser->guessMimeType($path);
    if ($mime_type !== NULL) {
      return $mime_type;
    }
  }
  return 'application/octet-stream';
}