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<?php
declare(strict_types=1);
namespace MisterIcy\ExcelWriter\Properties\Traits;
use MisterIcy\ExcelWriter\Properties\AbstractProperty;
/**
* Callable Trait defines a shared trait for all classes that should have callable functions.
*
* For the time being, this is only used by {@see AbstractProperty} to define properties
* that execute a function, before rendering their result
* @author Alexandros Koutroulis <[email protected]>
* @license MIT
* @package MisterIcy\ExcelWriter\Properties\Traits
*/
trait CallableTrait
{
/** @var callable|null */
protected $callable = null;
protected function handleCallable($object)
if (is_null($this->callable)) {
throw new \Error("Undefined Callable");
}
return call_user_func($this->callable, $object);
* @return callable|null
public function getCallable()
return $this->callable;
* @param callable $callable
* @return self
public function setCallable(callable $callable) : self
$this->callable = $callable;
return $this;
MisterIcy /
excel-writer
