public function addHeader($header, $value, $overwrite = null)
    {
        $lc_header = Horde_String::lower($header);

        if (is_null($overwrite) &&
            in_array($lc_header, $this->_headers->singleFields(true))) {
            $overwrite = true;
        }

        if ($overwrite) {
            $this->_headers->removeHeader($header);
        }

        if ($lc_header === 'bcc') {
            $this->_bcc = $value;
        } else {
            $this->_headers->addHeader($header, $value);
        }
    }
public function addHeader($header, $value, $overwrite = null)
    {
        $lc_header = Horde_String::lower($header);

        if (is_null($overwrite) &&
            in_array($lc_header, $this->_headers->singleFields(true))) {
            $overwrite = true;
        }

        if ($overwrite) {
            $this->_headers->removeHeader($header);
        }

        if ($lc_header === 'bcc') {
            $this->_bcc = $value;
        } else {
            $this->_headers->addHeader($header, $value);
        }
    }
public function addHeader ( $ header , $ value , $ overwrite = null ) { $ lc_header = Horde_String :: lower ( $ header ) ; if ( is_null ( $ overwrite ) && in_array ( $ lc_header , $ this -> _headers -> singleFields ( true ) ) ) { $ overwrite = true ; } if ( $ overwrite ) { $ this -> _headers -> removeHeader ( $ header ) ; } if ( $ lc_header === 'bcc' ) { $ this -> _bcc = $ value ; } else { $ this -> _headers -> addHeader ( $ header , $ value ) ; } }
Adds a message header.

@param string $header      The header name.
@param string $value       The header value.
@param boolean $overwrite  If true, an existing header of the same name
is being overwritten; if false, multiple
headers are added; if null, the correct
behaviour is automatically chosen depending
on the header name.

@throws Horde_Mime_Exception
Adds a message header .