Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Template/Attribute.php \Drupal\Core\Template\Attribute::removeClass()
2. 8.9.x core/lib/Drupal/Core/Template/Attribute.php \Drupal\Core\Template\Attribute::removeClass()
3. 11.x core/lib/Drupal/Core/Template/Attribute.php \Drupal\Core\Template\Attribute::removeClass()

Removes argument values from array of existing CSS classes.

Parameters

string|array ...: CSS classes to remove from the class attribute array.

Return value

$this

File

core/lib/Drupal/Core/Template/Attribute.php, line 266

Class

Attribute

Collects, sanitizes, and renders HTML attributes.

Namespace

Drupal\Core\Template

Code

public function removeClass() {
  // With no class attribute, there is no need to remove.
  if (isset($this->storage['class']) && $this->storage['class'] instanceof AttributeArray) {
    $args = func_get_args();
    $classes = [];
    foreach ($args as $arg) {
      // Merge the values passed in from the classes array.
      // The argument is cast to an array to support comma separated single
      // values or one or more array arguments.
      $classes[] = (array) $arg;
    }
    $classes = array_merge(...$classes);
    // Remove the values passed in from the value array. Use array_values() to
    // ensure that the array index remains sequential.
    $classes = array_values(array_diff($this->storage['class']
      ->value(), $classes));
    $this->storage['class']
      ->exchangeArray($classes);
  }
  return $this;
}

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