private function getInlineValue($header, $part, $delimiter = ";")
    {
        foreach (array_map('trim', explode($delimiter, $header)) as $string) {
            if (stripos($string, $part . '=') === 0) {
                return trim(explode('=', $string, 2)[1]);
            }
        }
        return false;
    }
private function getInlineValue($header, $part, $delimiter = ";")
    {
        foreach (array_map('trim', explode($delimiter, $header)) as $string) {
            if (stripos($string, $part . '=') === 0) {
                return trim(explode('=', $string, 2)[1]);
            }
        }
        return false;
    }
private function getInlineValue ( $ header , $ part , $ delimiter = ";" ) { foreach ( array_map ( 'trim' , explode ( $ delimiter , $ header ) ) as $ string ) { if ( stripos ( $ string , $ part . '=' ) === 0 ) { return trim ( explode ( '=' , $ string , 2 ) [ 1 ] ) ; } } return false ; }
Get inline header variable value

@param string $header
@param string $part
@param string $delimiter
@return string|false
Get inline header variable value