function GDToolkit::getHeight

Returns the height of the image.

Return value

int|null The height of the image, or NULL if the image is invalid.

Overrides ImageToolkitInterface::getHeight

File

core/modules/system/src/Plugin/ImageToolkit/GDToolkit.php, line 445

Class

GDToolkit

Defines the GD2 toolkit for image manipulation within Drupal.

Namespace

Code

public function getHeight() {
  if ($this->preLoadInfo) {
    return $this->preLoadInfo[1];
  }
  elseif ($res = $this->getImage()) {
    return imagesy($res);
  }
  else {
    return NULL;
  }
}