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<?php
/**
* @see https://github.com/laminas/laminas-http for the canonical source repository
* @copyright https://github.com/laminas/laminas-http/blob/master/COPYRIGHT.md
* @license https://github.com/laminas/laminas-http/blob/master/LICENSE.md New BSD License
*/
namespace Laminas\Http\Header;
/**
* @throws Exception\InvalidArgumentException
* @see http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.31
*/
class MaxForwards implements HeaderInterface
{
/**
* @var string
*/
protected $value;
public static function fromString($headerLine)
{
list($name, $value) = GenericHeader::splitHeaderLine($headerLine);
// check to ensure proper header type for this factory
if (strtolower($name) !== 'max-forwards') {
throw new Exception\InvalidArgumentException(sprintf(
'Invalid header line for Max-Forwards string: "%s"',
$name
));
}
// @todo implementation details
return new static($value);
}
public function __construct($value = null)
{
if ($value !== null) {
HeaderValue::assertValid($value);
$this->value = $value;
}
}
public function getFieldName()
{
return 'Max-Forwards';
}
public function getFieldValue()
{
return (string) $this->value;
}
public function toString()
{
return 'Max-Forwards: ' . $this->getFieldValue();
}
}