Magic method: checks if a property value is set.

Parameters

string $name: The name of the property. Check whether the render key $element['#' . $name] is set where element is the render array this object was created from. This value is also accessible as $this->name.

Return value

bool Whether it is set or not.

File

core/lib/Drupal/Core/Render/Element/RenderElementBase.php, line 640

Class

RenderElementBase

Provides a base class for render element plugins.

Namespace

Drupal\Core\Render\Element

Code

public function __isset(string $name) : bool {
  return isset($this->storage['#' . $name]);
}

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