public function ThemeRegistry::offsetExists

1.20.x theme.inc public ThemeRegistry::offsetExists($offset)

Implements ArrayAccess::offsetExists().

Overrides BackdropCacheArray::offsetExists

File

includes/theme.inc, line 432: The theme system, which controls the output of Backdrop.

Class

ThemeRegistry: Builds the run-time theme registry.

Code

public function offsetExists($offset) {
  // Since the theme registry allows for theme hooks to be requested that
  // are not registered, just check the existence of the key in the registry.
  // Use array_key_exists() here since a NULL value indicates that the theme
  // hook exists but has not yet been requested.
  return array_key_exists($offset, $this->storage);
}