public function Config::get in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Config/Config.php \Drupal\Core\Config\Config::get()
2. 10 core/lib/Drupal/Core/Config/Config.php \Drupal\Core\Config\Config::get()

Gets data from this configuration object.

Parameters

string $key: A string that maps to a key within the configuration data. For instance in the following configuration array:

array(
  'foo' => array(
    'bar' => 'baz',
  ),
);

A key of 'foo.bar' would return the string 'baz'. However, a key of 'foo' would return array('bar' => 'baz'). If no key is specified, then the entire data array is returned.

Return value

mixed The data that was requested.

Overrides ConfigBase::get

File

core/lib/Drupal/Core/Config/Config.php, line 84

Class

Config

Defines the default configuration object.

Namespace

Drupal\Core\Config

Code

public function get($key = '') {
  if (!isset($this->overriddenData)) {
    $this
      ->setOverriddenData();
  }
  if (empty($key)) {
    return $this->overriddenData;
  }
  else {
    $parts = explode('.', $key);
    if (count($parts) == 1) {
      return isset($this->overriddenData[$key]) ? $this->overriddenData[$key] : NULL;
    }
    else {
      $value = NestedArray::getValue($this->overriddenData, $parts, $key_exists);
      return $key_exists ? $value : NULL;
    }
  }
}