MyChat Scripts Engine: JSONArrayGetString, get a string from a JSON array

Function to obtain a specified text element from a JSON array by index. The array index begins from 0.

Syntax

function JSONArrayGetString(sJSON: string; iIdx: integer; var sValue: string): integer;

Parameters and return values

Parameter	Type	Value
sJSON	string	JSON object as a text string;
iIdx	integer	index of the required array element;
var sValue	string	the contents of the array element.

Function result

-1	JSON parsing error;
-2	invalid index or type of the array element;
0	function done successfully.

Example

const
JSON = '["Hello, darkness, my old friend.",' +
'"I''ve come to talk with you again",' +
'"Because a vision softly creeping,",' +
'"Left its seeds while I was sleeping."]';
var
iCount, i: integer;
s: string;
begin
iCount := JSONArrayLength(JSON);

if iCount > 0 then
for i := 0 to iCount - 1 do
if JSONArrayGetString(JSON, i, s) = 0 then
mLogScript(s, '');
end.

Script work result

[11:04:26] (Log "JSONArrayGetString"): Hello, darkness, my old friend.

[11:04:26] (Log "JSONArrayGetString"): I've come to talk with you again

[11:04:26] (Log "JSONArrayGetString"): Because a vision softly creeping,

[11:04:26] (Log "JSONArrayGetString"): Left its seeds while I was sleeping.

[11:04:26] (Run "JSONArrayGetString"): Script operation time: 6 ms

[11:04:26] (Run "JSONArrayGetString"): Script done successfully.

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