public function setSubject($subject)
{
$subject = (string) $subject;
if (!HeaderWrap::canBeEncoded($subject)) {
throw new Exception\InvalidArgumentException('Subject value must be composed of printable US-ASCII or UTF-8 characters.');
}
$this->subject = $subject;
$this->encoding = null;
return $this;
}
/**
* Set header value
*
* @param string $fieldValue
* @return GenericHeader
* @throws Exception\InvalidArgumentException;
*/
public function setFieldValue($fieldValue)
{
$fieldValue = (string) $fieldValue;
if (!HeaderWrap::canBeEncoded($fieldValue)) {
throw new Exception\InvalidArgumentException('Header value must be composed of printable US-ASCII characters and valid folding sequences.');
}
$this->fieldValue = $fieldValue;
$this->encoding = null;
return $this;
}
/**
* Add a parameter pair
*
* @param string $name
* @param string $value
* @return ContentType
* @throws Exception\InvalidArgumentException for parameter names that do not follow RFC 2822
* @throws Exception\InvalidArgumentException for parameter values that do not follow RFC 2822
*/
public function addParameter($name, $value)
{
$name = strtolower($name);
$value = (string) $value;
if (!HeaderValue::isValid($name)) {
throw new Exception\InvalidArgumentException('Invalid content-type parameter name detected');
}
if (!HeaderWrap::canBeEncoded($value)) {
throw new Exception\InvalidArgumentException('Parameter value must be composed of printable US-ASCII or UTF-8 characters.');
}
$this->parameters[$name] = $value;
return $this;
}
