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<?php

/**

 * @file

 * Stub file for bootstrap_button().

 */

/**

 * Returns HTML for a button form element.

 *

 * @param array $variables

 *   An associative array containing:

 *   - element: An associative array containing the properties of the element.

 *     Properties used: #attributes, #button_type, #name, #value.

 *

 * @return string

 *   The constructed HTML.

 *

 * @see theme_button()

 *

 * @ingroup theme_functions

 */

function bootstrap_button($variables) {

  $element = $variables['element'];

  // Allow button text to be appear hidden.

  // @see https://www.drupal.org/node/2327437

  $text = !empty($element['#hide_text']) ? '<span class="element-invisible">' . $element['#value'] . '</span>' : $element['#value'];

  // Add icons before or after the value.

  // @see https://www.drupal.org/node/2219965

  if (!empty($element['#icon'])) {

    if ($element['#icon_position'] === 'before') {

      $text = $element['#icon'] . ' ' . $text;

    }

    elseif ($element['#icon_position'] === 'after') {

      $text .= ' ' . $element['#icon'];

    }

  }

  // This line break adds inherent margin between multiple buttons.

  return '<button' . drupal_attributes($element['#attributes']) . '>' . _bootstrap_filter_xss($text) . "</button>\n";

}