Club Drupal

<?php

/**

 * @file

 * button.func.php

 */

/**

 * Overrides theme_button().

 */

function bootstrap_button($variables) {

  $element = $variables['element'];

  $label = $element['#value'];

  element_set_attributes($element, array('id', 'name', 'value', 'type'));

  // If a button type class isn't present then add in default.

  $button_classes = array(

    'btn-default',

    'btn-primary',

    'btn-success',

    'btn-info',

    'btn-warning',

    'btn-danger',

    'btn-link',

  );

  $class_intersection = array_intersect($button_classes, $element['#attributes']['class']);

  if (empty($class_intersection)) {

    $element['#attributes']['class'][] = 'btn-default';

  }

  // Add in the button type class.

  $element['#attributes']['class'][] = 'form-' . $element['#button_type'];

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

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

}