public Attribute::addClass()
Adds classes or merges them on to array of existing CSS classes.
Parameters
string|array ...: CSS classes to add to the class attribute array.
Return value
$this
File
- core/lib/Drupal/Core/Template/Attribute.php, line 170
Class
- Attribute
- Collects, sanitizes, and renders HTML attributes.
Namespace
Drupal\Core\Template
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | public function addClass() { $args = func_get_args(); if ($args) { $classes = array(); foreach ($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. $classes = array_merge($classes, (array) $arg); } // Merge if there are values, just add them otherwise. if (isset($this->storage['class']) && $this->storage['class'] instanceof AttributeArray) { // Merge the values passed in from the class value array. $classes = array_merge($this->storage['class']->value(), $classes); $this->storage['class']->exchangeArray($classes); } else { $this->offsetSet('class', $classes); } } return $this;} |
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