function _layout_clean_custom_css

Utility function to clean CSS for Layout UI.

Parameters

string $classes: CSS classes, as entered into the Layout user interface.

Return value

string: String of sanitized classes separated by spaces.

File

core/modules/layout/layout.module, line 2744

The Layout module creates pages and wraps existing pages in layouts.

Code

function _layout_clean_custom_css($classes = array()) {
  if (!empty($classes)) {
    $new_classes = explode(' ', $classes);
    foreach ($new_classes as $class) {
      $clean_classes[] = backdrop_clean_css_identifier($class, array());
    }

    $clean_classes = array_filter($clean_classes);
    return implode(' ', $clean_classes);
  }

  return '';
}