public function SystemMainBlock::build in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/system/src/Plugin/Block/SystemMainBlock.php \Drupal\system\Plugin\Block\SystemMainBlock::build()
2. 10 core/modules/system/src/Plugin/Block/SystemMainBlock.php \Drupal\system\Plugin\Block\SystemMainBlock::build()

Builds and returns the renderable array for this block plugin.

If a block should not be rendered because it has no content, then this method must also ensure to return no content: it must then only return an empty array, or an empty array with #cache set (with cacheability metadata indicating the circumstances for it being empty).

Return value

array A renderable array representing the content of the block.

Overrides BlockPluginInterface::build

See also

\Drupal\block\BlockViewBuilder

File

core/modules/system/src/Plugin/Block/SystemMainBlock.php, line 38

Class

SystemMainBlock

Provides a 'Main page content' block.

Namespace

Drupal\system\Plugin\Block

Code

public function build() {
  return $this->mainContent;
}