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<?php
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();
}
}