Goto:
4C Home
|
4C Docs
|
4C External Libraries Home
|
FCJSon Home
|
FCJSon Function List
ArrayGetString()
ArrayGetString()
Purpose:
-
FCJSon::ArrayGetString() gets an alpha value from an array object.
Usage:
-
-
aval = FCJSon::ArrayGetString(<jsonident>,<arrayidx> [, <key> ]);
Arguments:
-
integer <jsonident> - A valid json array ident.
-
integer <arrayidx> - The 0 based index into the json array.
alpha <key> - Optional.
Use <key> if the object at <arrayidx> is a json object of <key>:<value>
pairs and it contains an alpha identified by <key>.
If the object in the array at idx arrayidx is an alpha value, then
you should not specify <key> when calling FCCom::ArrayGetString()
Returns:
-
alpha <aval> - A 4c alpha value.
If this value is equal to "" it may indicate an error and the application
should call sys.get_extfn("FCJSon","LastError") to determine if it is an error
or a valid value.
-1 - Error
Where Used:
-
FCJSon::ArrayGetString() can be called from anywhere.
Example:
-
Example
Description:
-
FCJSon::ArrayGetString() gets an alpha value from an array object or from
an json object in an array.
When getting the value directly from the array, no <key> should be specified.
When getting the value from a json object embedded in the array, you must
specify the <key> parameter to FCJSon::ArrayGetString().
Bugs/Features/Comments:
-
See Also:
-
FCJSon Function List
Back to Top