ACF Library

GetJsonArrayS

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Description: ACF function: get an array from a JSON object into an regular array.

FileMaker Prototype:

Set Variable [$res; ACF_Run("GetJsonArrayS"; JSON_j;  string_tag)]

Category: UTILITY

Function source:

// Fun ction: GetJsonArrayS
// Description: Extracts a JSON array into a regular array of strings.
// Parameters:
//   - j: A JSON object that contains the target array.
//   - tag: The key (string) associated with the JSON array to retrieve.
// Returns:
//   - An array of strings containing the values from the specified JSON array.

function GetJsonArrayS(JSON j, string tag)
    array string res; // Initialize the result array
    int i, x;

    // Get the size of the JSON array associated with the given tag
    x = sizeof(j[tag]);

    // Iterate through the JSON array and retrieve each value as a string
    for (i = 1, x)
        // Format the JSON key to access array elements (e.g., "tag[1]", "tag[2]")
        res[] = j[format("%s[%d]", tag, i)];
    end for

    // Return the populated array of strings
    return res;
end

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