src/MLog.php
public function w($text, $context = array())
    {
        $this->log->warn($text, $context);
        $this->emit(self::SIGNAL_WARNING_ENTERED);
    }
public function w($text, $context = array())
    {
        $this->log->warn($text, $context);
        $this->emit(self::SIGNAL_WARNING_ENTERED);
    }
public function w ( $ text , $ context = array ( ) ) { $ this -> log -> warn ( $ text , $ context ) ; $ this -> emit ( self :: SIGNAL_WARNING_ENTERED ) ; }
Add a warning message.

@param $text
@param array $context
Add a warning message .