The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.
APC_ITER_ALL
     (integer)
    APC_ITER_ATIME
     (integer)
    APC_ITER_CTIME
     (integer)
    APC_ITER_DEVICE
     (integer)
    APC_ITER_DTIME
     (integer)
    APC_ITER_FILENAME
     (integer)
    APC_ITER_INODE
     (integer)
    APC_ITER_KEY
     (integer)
    APC_ITER_MD5
     (integer)
    APC_ITER_MEM_SIZE
     (integer)
    APC_ITER_MTIME
     (integer)
    APC_ITER_NONE
     (integer)
    APC_ITER_NUM_HITS
     (integer)
    APC_ITER_REFCOUNT
     (integer)
    APC_ITER_TTL
     (integer)
    APC_ITER_TYPE
     (integer)
    APC_ITER_VALUE
     (integer)
    APC_LIST_ACTIVE
     (integer)
    APC_LIST_DELETED
     (integer)