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function theme_container in Drupal 7

Returns HTML to wrap child elements in a container.

Used for grouped form items. Can also be used as a theme wrapper for any renderable element, to surround it with a <div> and add attributes such as classes or an HTML ID.

See the Form API reference for more information on the #theme_wrappers render array property.

Parameters

$variables: An associative array containing:

  • element: An associative array containing the properties of the element. Properties used: #id, #attributes, #children.

Related topics

Default theme implementations
Functions and templates for the user interface to be implemented by themes.
Form generation
Functions to enable the processing and display of HTML forms.

File

includes/form.inc, line 3414
Functions for form and batch generation and processing.

Code

function theme_container($variables) {
  $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'];
    }

    // Add the 'form-wrapper' class.
    $element['#attributes']['class'][] = 'form-wrapper';
  }
  return '<div' . drupal_attributes($element['#attributes']) . '>' . $element['#children'] . '</div>';
}