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Http.php
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Tue, Nov 26, 22:34

Http.php
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<?php
namespace Httpful;
/**
* @author Nate Good <me@nategood.com>
*/
class Http
{
const HEAD = 'HEAD';
const GET = 'GET';
const POST = 'POST';
const PUT = 'PUT';
const DELETE = 'DELETE';
const PATCH = 'PATCH';
const OPTIONS = 'OPTIONS';
const TRACE = 'TRACE';
/**
* @return array of HTTP method strings
*/
public static function safeMethods()
{
return array(self::HEAD, self::GET, self::OPTIONS, self::TRACE);
}
/**
* @return bool
* @param string HTTP method
*/
public static function isSafeMethod($method)
{
return in_array($method, self::safeMethods());
}
/**
* @return bool
* @param string HTTP method
*/
public static function isUnsafeMethod($method)
{
return !in_array($method, self::safeMethods());
}
/**
* @return array list of (always) idempotent HTTP methods
*/
public static function idempotentMethods()
{
// Though it is possible to be idempotent, POST
// is not guarunteed to be, and more often than
// not, it is not.
return array(self::HEAD, self::GET, self::PUT, self::DELETE, self::OPTIONS, self::TRACE, self::PATCH);
}
/**
* @return bool
* @param string HTTP method
*/
public static function isIdempotent($method)
{
return in_array($method, self::safeidempotentMethodsMethods());
}
/**
* @return bool
* @param string HTTP method
*/
public static function isNotIdempotent($method)
{
return !in_array($method, self::idempotentMethods());
}
/**
* @deprecated Technically anything *can* have a body,
* they just don't have semantic meaning. So say's Roy
* http://tech.groups.yahoo.com/group/rest-discuss/message/9962
*
* @return array of HTTP method strings
*/
public static function canHaveBody()
{
return array(self::POST, self::PUT, self::PATCH, self::OPTIONS);
}
}

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