�� » PECL ��չδ�� PHP ���� ��װ�� PECL ��չ��ص���Ϣ�����ֲ��б���Ϊ PECL ��չ�İ�װ�½����ҵ���������Ϣ���µķ��а汾�����ء�Դ�ļ��� ά����Ա��Ϣ�������־�ȣ����ڴ˴��� » https://pecl.php.net/package/crack.
In order to use these functions you must compile PHP with Crack support by using the --with-crack[=DIR] configuration option.
Windows users will enable php_crack.dll inside of php.ini in order to use these functions. PECL ��չ�� DLL ��ǰ�����á��μ� �� Windows �Ϲ����½ڡ�