function drupal_render_children in Drupal 7

Same name and namespace in other branches

1. 8 core/includes/common.inc \drupal_render_children()

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 element_children().

Return value

string The rendered HTML of all children of the element.

See also

drupal_render()

31 calls to drupal_render_children()

template_preprocess_block_admin_display_form in modules/block/block.admin.inc

Processes variables for block-admin-display-form.tpl.php.

template_preprocess_poll_vote in modules/poll/poll.module

Themes the voting form for a poll.

theme_aggregator_categorize_items in modules/aggregator/aggregator.pages.inc

Returns HTML for the aggregator page list form for assigning categories.

theme_color_scheme_form in modules/color/color.module

Returns HTML for a theme's color form.

theme_confirm_form in modules/system/system.module

Returns HTML for a confirmation form.

... See full list

File

includes/common.inc, line 6212

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 $output;
}