# class http\Exception extends Exception
The http extension's Exception.
+
+## Constants:
+
+* E_UNKNOWN
+* E_RUNTIME
+* E_INVALID_PARAM
+* E_HEADER
+* E_MALFORMED_HEADERS
+* E_MESSAGE
+* E_MESSAGE_TYPE
+* E_MESSAGE_BODY
+* E_ENCODING
+* E_CLIENT
+* E_CLIENT_POOL
+* E_CLIENT_DATASHARE
+* E_SOCKET
+* E_RESPONSE
+* E_URL
+* E_QUERYSTRING
+* E_COOKIE
+
+## Properties:
+
+None.