public function setText($content, $charset = 'utf-8') {
        $this->text = $content;
        $this->textCharset = $charset;
        return $this;
    }
public function setText($content, $charset = 'utf-8') {
        $this->text = $content;
        $this->textCharset = $charset;
        return $this;
    }
public function setText ( $ content , $ charset = 'utf-8' ) { $ this -> text = $ content ; $ this -> textCharset = $ charset ; return $ this ; }
Set text content
@param string $content
@return \Email
Set text content