class BlockRenderAlterContent
Implements a trusted preRender callback.
Hierarchy
- class \Drupal\block_test\BlockRenderAlterContent implements \Drupal\Core\Render\Element\RenderCallbackInterface
Expanded class hierarchy of BlockRenderAlterContent
File
-
core/
modules/ block/ tests/ modules/ block_test/ src/ BlockRenderAlterContent.php, line 10
Namespace
Drupal\block_testView source
class BlockRenderAlterContent implements RenderCallbackInterface {
/**
* #pre_render callback for a block to alter its content.
*/
public static function preRender(array $build) {
$build['#prefix'] = 'Hiya!<br>';
return $build;
}
}Members
| Title Sort descending | Modifiers | Object type | Summary |
|---|---|---|---|
| BlockRenderAlterContent::preRender | public static | function | #pre_render callback for a block to alter its content. |
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