RetroSearch Browse

Home - News ( United States | United Kingdom | Italy | Germany ) - Football scores

Showing content from https://arduinojson.org/v5/api/jsonarray/measurelength/ below:

JsonArray::measureLength() | ArduinoJson 5

Description

Computes the length of the minified JSON document that JsonArray::printTo() produces, excluding the null-terminator.

This function is handy to fill the Content-Length header.

Signature

size_t measureLength() const

Return value

The number of characters that JsonArray::printTo() produces, excluding the null-terminator.

Example

// Send headers
client.println("Content-Type: application/json");
client.print("Content-Length: ");
client.println(root.measureLength());

// Terminate headers
client.println();

// Send body
root.printTo(client);