normalizeAssociativeArray() public static method

public static normalizeAssociativeArray ( array $settings ) : mixed[]
$settings array
return mixed[]
 /**
  * @return string[] path(string) => namespace
  */
 private function getRootNamespaces()
 {
     if ($this->normalizedRootNamespaces === null) {
         $this->normalizedRootNamespaces = SniffSettingsHelper::normalizeAssociativeArray($this->rootNamespaces);
     }
     return $this->normalizedRootNamespaces;
 }