&reftitle.constants; &extension.constants;

`APC_ITER_ALL` (`int`)

`APC_ITER_ATIME` (`int`)

`APC_ITER_CTIME` (`int`)

`APC_ITER_DEVICE` (`int`)

`APC_ITER_DTIME` (`int`)

`APC_ITER_FILENAME` (`int`)

`APC_ITER_INODE` (`int`)

`APC_ITER_KEY` (`int`)

`APC_ITER_MD5` (`int`)

`APC_ITER_MEM_SIZE` (`int`)

`APC_ITER_MTIME` (`int`)

`APC_ITER_NONE` (`int`)

`APC_ITER_NUM_HITS` (`int`)

`APC_ITER_REFCOUNT` (`int`)

`APC_ITER_TTL` (`int`)

`APC_ITER_TYPE` (`int`)

`APC_ITER_VALUE` (`int`)

`APC_LIST_ACTIVE` (`int`)

`APC_LIST_DELETED` (`int`)