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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\Component\Render\MarkupTrait. | |
| */ | |
| namespace Drupal\Component\Render; | |
| use Drupal\Component\Utility\Unicode; | |
| /** | |
| * Implements MarkupInterface and Countable for rendered objects. | |
| * | |
| * @see \Drupal\Component\Render\MarkupInterface | |
| */ | |
| trait MarkupTrait { | |
| /** | |
| * The safe string. | |
| * | |
| * @var string | |
| */ | |
| protected $string; | |
| /** | |
| * Creates a Markup object if necessary. | |
| * | |
| * If $string is equal to a blank string then it is not necessary to create a | |
| * Markup object. If $string is an object that implements MarkupInterface it | |
| * is returned unchanged. | |
| * | |
| * @param mixed $string | |
| * The string to mark as safe. This value will be cast to a string. | |
| * | |
| * @return string|\Drupal\Component\Render\MarkupInterface | |
| * A safe string. | |
| */ | |
| public static function create($string) { | |
| if ($string instanceof MarkupInterface) { | |
| return $string; | |
| } | |
| $string = (string) $string; | |
| if ($string === '') { | |
| return ''; | |
| } | |
| $safe_string = new static(); | |
| $safe_string->string = $string; | |
| return $safe_string; | |
| } | |
| /** | |
| * Returns the string version of the Markup object. | |
| * | |
| * @return string | |
| * The safe string content. | |
| */ | |
| public function __toString() { | |
| return $this->string; | |
| } | |
| /** | |
| * Returns the string length. | |
| * | |
| * @return int | |
| * The length of the string. | |
| */ | |
| public function count() { | |
| return Unicode::strlen($this->string); | |
| } | |
| /** | |
| * Returns a representation of the object for use in JSON serialization. | |
| * | |
| * @return string | |
| * The safe string content. | |
| */ | |
| public function jsonSerialize() { | |
| return $this->__toString(); | |
| } | |
| } |