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.
FBSQL_ASSOC 
    (integer)
   FBSQL_NUM 
    (integer)
   FBSQL_BOTH 
    (integer)
   FBSQL_LOCK_DEFERRED 
    (integer)
   FBSQL_LOCK_OPTIMISTIC 
    (integer)
   FBSQL_LOCK_PESSIMISTIC 
    (integer)
   FBSQL_ISO_READ_UNCOMMITTED 
    (integer)
   FBSQL_ISO_READ_COMMITTED 
    (integer)
   FBSQL_ISO_REPEATABLE_READ 
    (integer)
   FBSQL_ISO_SERIALIZABLE 
    (integer)
   FBSQL_ISO_VERSIONED 
    (integer)
   FBSQL_UNKNOWN 
    (integer)
   FBSQL_STOPPED 
    (integer)
   FBSQL_STARTING 
    (integer)
   FBSQL_RUNNING 
    (integer)
   FBSQL_STOPPING 
    (integer)
   FBSQL_NOEXEC 
    (integer)
   FBSQL_LOB_DIRECT 
    (integer)
   FBSQL_LOB_HANDLE 
    (integer)