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<?php
declare(strict_types=1);
namespace Stadly\PasswordPolice\Formatter;
use Stadly\PasswordPolice\CharTree;
use Stadly\PasswordPolice\CodeMap\UpperCaseMap;
use Stadly\PasswordPolice\Formatter;
final class UpperCaseConverter implements Formatter
{
use Chaining;
/**
* @var Coder Upper case coder.
*/
private $upperCaseCoder;
* @var CharTree[] Memoization of formatted character trees.
private static $memoization = [];
public function __construct()
$this->upperCaseCoder = new Coder(new UpperCaseMap());
}
* @param CharTree $charTree Character tree to format.
* @return CharTree Upper case converted variant of the character tree.
protected function applyCurrent(CharTree $charTree): CharTree
// When PHP 7.1 is no longer supported, change to using spl_object_id.
$hash = spl_object_hash($charTree);
if (!isset(self::$memoization[$hash])) {
self::$memoization[$hash] = $this->upperCaseCoder->apply($charTree);
return self::$memoization[$hash];
Stadly /
PasswordPolice
