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.
| Constant | Value | Description |
|---|---|---|
| CLSCTX_INPROC_SERVER (integer) | 1 | |
| CLSCTX_INPROC_HANDLER (integer) | 2 | |
| CLSCTX_LOCAL_SERVER (integer) | 4 | |
| CLSCTX_REMOTE_SERVER (integer) | 16 | |
| CLSCTX_SERVER (integer) | 21 | |
| CLSCTX_ALL (integer) | 23 | |
| VT_NULL (integer) | 1 | |
| VT_EMPTY (integer) | 0 | |
| VT_UI1 (integer) | 17 | |
| VT_I2 (integer) | 2 | |
| VT_I4 (integer) | 3 | |
| VT_R4 (integer) | 4 | |
| VT_R8 (integer) | 5 | |
| VT_BOOL (integer) | 11 | |
| VT_ERROR (integer) | 10 | |
| VT_CY (integer) | 6 | |
| VT_DATE (integer) | 7 | |
| VT_BSTR (integer) | 8 | |
| VT_DECIMAL (integer) | 14 | |
| VT_UNKNOWN (integer) | 13 | |
| VT_DISPATCH (integer) | 9 | |
| VT_VARIANT (integer) | 12 | |
| VT_I1 (integer) | 16 | |
| VT_UI2 (integer) | 18 | |
| VT_UI4 (integer) | 19 | |
| VT_INT (integer) | 22 | |
| VT_UINT (integer) | 23 | |
| VT_ARRAY (integer) | 8192 | |
| VT_BYREF (integer) | 16384 | |
| CP_ACP (integer) | 0 | |
| CP_MACCP (integer) | 2 | |
| CP_OEMCP (integer) | 1 | |
| CP_UTF7 (integer) | 65000 | |
| CP_UTF8 (integer) | 65001 | |
| CP_SYMBOL (integer) | 42 | |
| CP_THREAD_ACP (integer) | 3 | |
| VARCMP_LT (integer) | 0 | |
| VARCMP_EQ (integer) | 1 | |
| VARCMP_GT (integer) | 2 | |
| VARCMP_NULL (integer) | 3 | |
| NORM_IGNORECASE (integer) | 1 | |
| NORM_IGNORENONSPACE (integer) | 2 | |
| NORM_IGNORESYMBOLS (integer) | 4 | |
| NORM_IGNOREWIDTH (integer) | 131072 | |
| NORM_IGNOREKANATYPE (integer) | 65536 | |
| NORM_IGNOREKASHIDA (integer) | 262144 | Availability is dependent upon under lying library. |
| DISP_E_DIVBYZERO (integer) | -2147352558 | |
| DISP_E_OVERFLOW (integer) | -2147352566 | |
| MK_E_UNAVAILABLE (integer) | -2147221021 |