final public function setMinLevel($minLevel)
    {
        if (isset($this->levels[$minLevel])) {
            $this->minLevel = $this->levels[$minLevel];
        }
        
        return $this;
    }
final public function setMinLevel($minLevel)
    {
        if (isset($this->levels[$minLevel])) {
            $this->minLevel = $this->levels[$minLevel];
        }
        
        return $this;
    }
final public function setMinLevel ( $ minLevel ) { if ( isset ( $ this -> levels [ $ minLevel ] ) ) { $ this -> minLevel = $ this -> levels [ $ minLevel ] ; } return $ this ; }
If set then only messages with level equal or greater then minLevel will be logged.

@param string $minLevel
@return $this fluent interface
If set then only messages with level equal or greater then minLevel will be logged .