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<?php
namespace PasswordGenerator\Model;
class CharacterSet
{
private $characters;
/**
* CharacterSet constructor.
*
* @param string $characters
*/
public function __construct($characters)
$this->characters = $characters;
}
* Get Character set
* @return string
public function getCharacters()
return $this->characters;
public function __toString()
if (!is_string($this->characters)) {
return '';