public function VariablesController::getVariableValue in Acquia Connector 3.x

Same name and namespace in other branches

1. 8.2 src/Controller/VariablesController.php \Drupal\acquia_connector\Controller\VariablesController::getVariableValue()
2. 8 src/Controller/VariablesController.php \Drupal\acquia_connector\Controller\VariablesController::getVariableValue()

Get a variable value by the variable name.

Parameters

string $var: Variable name.

Return value

mixed Variable value.

Throws

\UnexpectedValueException

1 call to VariablesController::getVariableValue()

VariablesController::getVariablesData in src/Controller/VariablesController.php

Get all system variables.

File

src/Controller/VariablesController.php, line 68

Class

VariablesController

Class MappingController.

Namespace

Drupal\acquia_connector\Controller

Code

public function getVariableValue($var) {

  // We have no mapping for the variable.
  if (empty($this->mapping[$var])) {
    throw new \UnexpectedValueException($var);
  }

  // Variable type (for state, setting and container parameter only).
  // Holds Config name for the configuration object variables.
  $var_type = $this->mapping[$var][0];

  // Variable machine name (for state, settings and container parameter only).
  $var_name = !empty($this->mapping[$var][1]) ? $this->mapping[$var][1] : NULL;

  // Variable is Drupal state.
  if ($var_type == 'state') {
    return \Drupal::state()
      ->get($var_name);
  }

  // Variable is Drupal setting.
  if ($var_type == 'settings') {
    return Settings::get($var_name);
  }

  // Variable is Container Parameter.
  if ($var_type == 'container_parameter') {
    if (\Drupal::hasContainer()) {
      try {
        return \Drupal::getContainer()
          ->getParameter($var_name);
      } catch (ParameterNotFoundException $e) {

        // Parameter not found.
      }
    }
    throw new \UnexpectedValueException($var);
  }

  // Variable is data from Configuration object (D7 Variable).
  // We can not detect this variable type so we're processing it in last turn.
  $key_exists = NULL;
  $config = self::getAllConfigs();
  $value = NestedArray::getValue($config, $this->mapping[$var], $key_exists);
  if ($key_exists) {
    return $value;
  }
  throw new \UnexpectedValueException($var);
}