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