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<?php
/**
* Created by gerk on 20.11.17 17:34
*/
namespace PeekAndPoke\Component\Psi\Psi\Map;
use PeekAndPoke\Component\Psi\UnaryFunction;
*
* @author Karsten J. Gerber <[email protected]>
class ToString implements UnaryFunction
{
/** @var string */
private $default;
* @param string $default
public function __construct($default = '')
$this->default = (string) $default;
}
* @param mixed $input
* @return string
public function __invoke($input)
if (is_scalar($input)) {
return (string) $input;
if (is_object($input) && method_exists($input, '__toString')) {
return $this->default;
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