function GDToolkit::getSupportedExtensions

Returns a list of image file extensions supported by the toolkit.

Return value

array An array of supported image file extensions (e.g. png/jpeg/gif).

Overrides ImageToolkitInterface::getSupportedExtensions

File

core/modules/system/src/Plugin/ImageToolkit/GDToolkit.php, line 568

Class

GDToolkit

Defines the GD2 toolkit for image manipulation within Drupal.

Namespace

Code

public static function getSupportedExtensions() {
  $extensions = [];
  foreach (static::supportedTypes() as $image_type) {
    // @todo Automatically fetch possible extensions for each mime type.
    // @see https://www.drupal.org/node/2311679
    $extension = mb_strtolower(image_type_to_extension($image_type, FALSE));
    $extensions[] = $extension;
    // Add some known similar extensions.
    if ($extension === 'jpeg') {
      $extensions[] = 'jpg';
      $extensions[] = 'jpe';
    }
  }
  return $extensions;
}