template_preprocess_container(&$variables)
Prepares variables for container templates.
Default template: container.html.twig.
Parameters
array $variables: An associative array containing:
- element: An associative array containing the properties of the element. Properties used: #id, #attributes, #children.
File
- core/includes/theme.inc, line 1132
- The theme system, which controls the output of Drupal.
Code
function template_preprocess_container(&$variables) {
$variables['has_parent'] = FALSE;
$element = $variables['element'];
// Ensure #attributes is set.
$element += array('#attributes' => array());
// Special handling for form elements.
if (isset($element['#array_parents'])) {
// Assign an html ID.
if (!isset($element['#attributes']['id'])) {
$element['#attributes']['id'] = $element['#id'];
}
$variables['has_parent'] = TRUE;
}
$variables['children'] = $element['#children'];
$variables['attributes'] = $element['#attributes'];
}
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