public function setCharset($charset)
    {
        $this->charset = $charset;

        if ($this->headers->has('Content-Type')) {
            $contentType = $this->headers->get('Content-Type');
            if (stripos($contentType, 'text/') === 0) {
                $matches = [];
                if (preg_match('/(?P<contenttype>.*); ?charset[^;]+(?P<extra>;.*)?/iu', $contentType, $matches)) {
                    $contentType = $matches['contenttype'];
                }
                $contentType .= '; charset=' . $this->charset . (isset($matches['extra']) ? $matches['extra'] : '');
                $this->setHeader('Content-Type', $contentType, true);
            }
        }
        return $this;
    }
public function setCharset($charset)
    {
        $this->charset = $charset;

        if ($this->headers->has('Content-Type')) {
            $contentType = $this->headers->get('Content-Type');
            if (stripos($contentType, 'text/') === 0) {
                $matches = [];
                if (preg_match('/(?P<contenttype>.*); ?charset[^;]+(?P<extra>;.*)?/iu', $contentType, $matches)) {
                    $contentType = $matches['contenttype'];
                }
                $contentType .= '; charset=' . $this->charset . (isset($matches['extra']) ? $matches['extra'] : '');
                $this->setHeader('Content-Type', $contentType, true);
            }
        }
        return $this;
    }
public function setCharset ( $ charset ) { $ this -> charset = $ charset ; if ( $ this -> headers -> has ( 'Content-Type' ) ) { $ contentType = $ this -> headers -> get ( 'Content-Type' ) ; if ( stripos ( $ contentType , 'text/' ) === 0 ) { $ matches = [ ] ; if ( preg_match ( '/(?P<contenttype>.*); ?charset[^;]+(?P<extra>;.*)?/iu' , $ contentType , $ matches ) ) { $ contentType = $ matches [ 'contenttype' ] ; } $ contentType .= '; charset=' . $ this -> charset . ( isset ( $ matches [ 'extra' ] ) ? $ matches [ 'extra' ] : '' ) ; $ this -> setHeader ( 'Content-Type' , $ contentType , true ) ; } } return $ this ; }
Sets the character set for this message.

If the content type of this message is a text/* media type, the character
set in the respective Content-Type header will be updated by this method.

@param string $charset A valid IANA character set identifier
@return self This message, for method chaining
@see http://www.iana.org/assignments/character-sets
@deprecated Since Flow 5.1, just set the full Content-Type header
Sets the character set for this message .