protected function SensorDataController::getUniqueNamedValues in farmOS 2.x

Helper function to extract unique named values from the data payload.

Parameters

array $data: The submitted data.

Return value

array Array of unique names.

1 call to SensorDataController::getUniqueNamedValues()

SensorDataController::handleAssetRequest in modules/asset/sensor/src/Controller/SensorDataController.php

Helper function to handle the request once the asset has been loaded.

File

modules/asset/sensor/src/Controller/SensorDataController.php, line 186

Class

SensorDataController

Handles requests for basic data streams associated with a sensor.

Namespace

Drupal\farm_sensor\Controller

Code

protected function getUniqueNamedValues(array $data) : array {

  // Start an array of names.
  $names = [];

  // If the data is an array of multiple data points, iterate over each and
  // recursively process.
  if (is_array(reset($data))) {
    foreach ($data as $point) {
      $names = array_unique(array_merge($names, $this
        ->getUniqueNamedValues($point)));
    }
    return $names;
  }

  // Iterate over the JSON properties to get each name.
  foreach ($data as $key => $value) {
    if ($key !== 'timestamp') {
      $names[] = $key;
    }
  }
  return array_unique($names);
}