drupal_render_children(&$element, $children_keys = NULL)
Renders children of an element and concatenates them.
Parameters
array $element: The structured array whose children shall be rendered.
array $children_keys: (optional) If the keys of the element's children are already known, they can be passed in to save another run of \Drupal\Core\Render\Element::children().
Return value
string|\Drupal\Component\Render\MarkupInterface The rendered HTML of all children of the element.
Deprecated
in Drupal 8.0.x and will be removed before 9.0.0. Avoid early rendering when possible or loop through the elements and render them as they are available.
See also
File
- core/includes/common.inc, line 892
- Common functions that many Drupal modules will need to reference.
Code
function drupal_render_children(&$element, $children_keys = NULL) { if ($children_keys === NULL) { $children_keys = Element::children($element); } $output = ''; foreach ($children_keys as $key) { if (!empty($element[$key])) { $output .= drupal_render($element[$key]); } } return Markup::create($output); }
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