function MimeTypeGuesser::guessMimeType

File

core/lib/Drupal/Core/File/MimeType/MimeTypeGuesser.php, line 55

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 NULL;
}