Php/docs/com.constants
Predefined Constants
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 | Notes |
|---|---|---|---|
CLSCTX_INPROC_SERVER
(int) |
1 | The code that creates and manages objects of this class is
a DLL that runs in the same process as the caller of the function specifying the class context. |
|
CLSCTX_INPROC_HANDLER
(int) |
2 | The code that manages objects of this class is an in-process
handler. This is a DLL that runs in the client process and implements client-side structures of this class when instances of the class are accessed remotely. |
|
CLSCTX_LOCAL_SERVER
(int) |
4 | The EXE code that creates and manages objects of this class runs on
same machine but is loaded in a separate process space. |
|
CLSCTX_REMOTE_SERVER
(int) |
16 | A remote context. The code that creates and manages objects of this
class is run on a different computer. |
|
CLSCTX_SERVER
(int) |
21 | Indicates server code, whether in-process, local, or remote. This
definition ORs |
|
CLSCTX_ALL
(int) |
23 | Indicates all class contexts. This definition ORs
|
|
VT_NULL
(int) |
1 | NULL pointer reference. | |
VT_EMPTY
(int) |
0 | A property with a type indicator of VT_EMPTY has
no data associated with it; that is, the size of the value is zero. |
|
VT_INT
(int) |
22 | 4-byte signed integer value (equivalent to
|
|
VT_I1
(int) |
16 | 1-byte signed integer. | |
VT_I2
(int) |
2 | Two bytes representing a 2-byte signed integer value. | |
VT_I4
(int) |
3 | 4-byte signed integer value. | |
VT_I8
(int) |
20 | 8-byte signed integer value. | Available as of PHP 7.0.0 (x64 only). |
VT_UINT
(int) |
23 | 4-byte unsigned integer (equivalent to
|
|
VT_UI1
(int) |
17 | 1-byte unsigned integer. | |
VT_UI2
(int) |
18 | 2-byte unsigned integer. | |
VT_UI4
(int) |
19 | 4-byte unsigned integer. | |
VT_UI8
(int) |
21 | 8-byte unsigned integer. | Available as of PHP 7.0.0 (x64 only). |
VT_R4
(int) |
4 | 32-bit IEEE floating point value. | |
VT_R8
(int) |
5 | 64-bit IEEE floating point value. | |
VT_BOOL
(int) |
11 | Boolean value. | |
VT_ERROR
(int) |
10 | Error code; containing the status code associated with the
error. |
|
VT_CY
(int) |
6 | 8-byte two's complement integer (scaled by 10,000). | |
VT_DATE
(int) |
7 | A 64-bit floating point number representing the number of days
(not seconds) since December 31, 1899. For example,
|
|
VT_BSTR
(int) |
8 | Pointer to a null-terminated Unicode string. | |
VT_DECIMAL
(int) |
14 | A decimal structure. | |
VT_UNKNOWN
(int) |
13 | A pointer to an object that implements the IUnknown interface. | |
VT_DISPATCH
(int) |
9 | A pointer to a pointer to an object was specified. | |
VT_VARIANT
(int) |
12 | A type indicator followed by the corresponding value.
|
|
VT_ARRAY
(int) |
8192 | If the type indicator is combined with
|
|
VT_BYREF
(int) |
16384 | If the type indicator is combined with VT_BYREF
by an OR operator, the value is a reference. Reference types are interpreted as a reference to data, similar to the reference type in C++. |
|
CP_ACP
(int) |
0 | Default to ANSI code page. | |
CP_MACCP
(int) |
2 | Macintosh code page. | |
CP_OEMCP
(int) |
1 | Default to OEM code page. | |
CP_UTF7
(int) |
65000 | Unicode (UTF-7). | |
CP_UTF8
(int) |
65001 | Unicode (UTF-8). | |
CP_SYMBOL
(int) |
42 | SYMBOL translations.
|
|
CP_THREAD_ACP
(int) |
3 | Current thread's ANSI code page | |
VARCMP_LT
(int) |
0 | The left bstr is less than right
|
|
VARCMP_EQ
(int) |
1 | The two parameters are equal. | |
VARCMP_GT
(int) |
2 | The left bstr is greater than right
|
|
VARCMP_NULL
(int) |
3 | Either expression is NULL. | |
NORM_IGNORECASE
(int) |
1 | Ignore case sensitivity. | |
NORM_IGNORENONSPACE
(int) |
2 | Ignore nonspacing characters. | |
NORM_IGNORESYMBOLS
(int) |
4 | Ignore symbols. | |
NORM_IGNOREWIDTH
(int) |
131072 | Ignore string width. | |
NORM_IGNOREKANATYPE
(int) |
65536 | Ignore Kana type. | |
NORM_IGNOREKASHIDA
(int) |
262144 | Ignore Arabic kashida characters. | Availability is dependent upon under lying library. |
DISP_E_DIVBYZERO
(int) |
-2147352558 | A return error that indicates a divide by zero error. | As of PHP 7.0.0, the value is 2147614738 on x64.
|
DISP_E_OVERFLOW
(int) |
-2147352566 | An error that indicates that a value could not be coerced to
its expected representation. |
As of PHP 7.0.0, the value is 2147614730 on x64.
|
DISP_E_BADINDEX
(int) |
-2147352565 | An error that indicates that an array index does not exist. | As of PHP 7.0.0, the value is 2147614731 on x64.
|
MK_E_UNAVAILABLE
(int) |
-2147221021 | iMoniker COM status code, return on errors where the function call
failed due to unavailability. |
As of PHP 7.0.0, the value is 2147746275 on x64.
|
