src/Backends/FontAwesomeBackend.php
public function getClassName($identifier, $args = [])
    {
        if (isset($this->classes[$identifier])) {
            return $args ? vsprintf($this->classes[$identifier], $args) : $this->classes[$identifier];
        }
    }
public function getClassName($identifier, $args = [])
    {
        if (isset($this->classes[$identifier])) {
            return $args ? vsprintf($this->classes[$identifier], $args) : $this->classes[$identifier];
        }
    }
Answers the class name for the specified identifier.

@param string $identifier
@param array $args

@return string