function BlockRenderAlterContent::preRender
#pre_render callback for a block to alter its content.
File
-
core/
modules/ block/ tests/ modules/ block_test/ src/ BlockRenderAlterContent.php, line 15
Class
- BlockRenderAlterContent
- Implements a trusted preRender callback.
Namespace
Drupal\block_testCode
public static function preRender(array $build) {
$build['#prefix'] = 'Hiya!<br>';
return $build;
}
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