Peter,
thank you ... I'm not a php programmer, maybe this explains my question ;-)
Cheers,
Maik
Am 05.06.2012 10:24, schrieb Peter Schneider:
> Hi Connor,
>
> the error says it already ;)
> "Cannot use object of type stdClass as array"
>
> The $params[0] at your PHP server should be accessed via the 'member-operator'
> of PHP ('->'), not the array operator ('[]').
>
> So instead of
> $retval[] = "Client said: " . $params[0]["left"][0];
> you should do something like
> $retval[] = "Client said: " . $params[0]->left[0];
> ...when your JSON (RPC-)Data from the frontend was like this
> {"left":["top","XYZ"]}
>
> A bit more detailed:
> <code>
> /**
> * Echoes the request
> *
> * @param {array} params
> * An array containing the parameters to this method
> *
> * @param {JsonRpcError} error
> * An object of class JsonRpcError.
> *
> * @return
> * Success: The object containing the result of the method;
> * Failure: null
> */
> function method_echo($params, $error)
> {
> // ...error check removed for clarity...
>
> $req = $params[0]; // {stdClass}
>
> $leftVal = $req->left; // 2-element {array}
>
> $first = $leftVal[0]; // {String}
> $second= $leftVal[1]; // {String}
>
> return $req; // Let's return the complete request parameter set!
> }
> </code>
>
>
>
> General rule:
> JSON | PHP
> --------------+---------
> ["foo","bar"] | $x[0] === "foo"; $x[1] === "bar";
> {key:"val"} | $foo->key === "val"
>
>
> Cheers,
> Peter
>
>
>
> On 6/1/2012 4:57 PM Connor wrote:
>> Hi,
>> I have a problem with passing javascript objects to my PHP RPC Server as a
>> parameter.
>> Does anybody know whats wrong here ?
>>
>> thanks in advance,
>> Connor.
>>
>> With the PHP RPC Server I've adjusted the echo method to:
>>
>> function method_echo($params, $error)
>>
>> {
>>
>> if (count($params) != 1)
>>
>> {
>>
>> $error->SetError(JsonRpcError_ParameterMismatch,
>>
>> "Expected 1 parameter; got " . count($params));
>>
>> return $error;
>>
>> }
>>
>>
>>
>> $retval[] = "Test";
>>
>> $retval[] = "Client said: " . $params[0]["left"][0];
>>
>> return $retval;
>>
>> }
>>
>>
>> and passed the parameter by the qooxdoo application like
>>
>> try {
>>
>> var result = rpc.callSync("echo", {"left":["top","XYZ"]});
>>
>> alert("Result of sync call: " + result);
>>
>> } catch (exc) {
>>
>> alert("Exception during sync call: " + exc);
>>
>> }
>>
>>
>> This causes an error message in php:
>>
>> /*
>> ( ! ) Fatal error: Cannot use object of type stdClass as array in
>> C:\XAMPP\xampp\htdocs\rpc\qooxdoo\services\class\tmlproxy\tml.php on line
>> /59/
>> Call Stack
>> # Time Memory Function Location
>> 1 0.0007 336568 {main}( ) ..\index.php*:*0
>> 2 0.0091 772536 JsonRpcServer::run( ) ..\index.php*:*34
>> 3 0.0121 780008 JsonRpcServer->start( )
>> ..\JsonRpcServer.php*:*141
>> 4 0.0121 780848 AbstractServer->start( )
>> ..\JsonRpcServer.php*:*165
>> 5 0.0409 1044480 JsonRpcServer->callServiceMethod( )
>> ..\AbstractServer.php*:*599
>> 6 0.0410 1044480 AbstractServer->callServiceMethod( )
>> ..\JsonRpcServer.php*:*347
>> 7 0.0410 1045944 class_tml->method_echo( )
>> ..\AbstractServer.php*:*941
>>
>> */{ error: { "origin":1, "code":-1, "message":"Fatal PHP Error. See response
>> content for error description "}}
>>
>> The Post seems to be correct:
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> POST index.php?nocache=1338562470553
>>
>> 200 OK
>>
>> localhost:8080
>>
>> 3.1 KB
>>
>> ::1:8080
>>
>>
>> 51ms
>> ParameterHeaderPostAntwortHTML
>> JSON
>>
>>
>>
>>
>>
>> id
>> 9
>>
>>
>> method
>> "echo"
>>
>>
>> params
>> [Object { left=[2]}]
>>
>>
>> service
>> "tmlproxy.tml"
>>
>> Quelle
>> |{"service":"tmlproxy.tml","method":"echo","id":9,"params":[{"left":["top","XYZ"]}]}|
>>
>>
>>
>> 1 Anfrage
>>
>>
>>
>> 3.1 KB
>>
>> 51ms
>
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> Stand 410 ****
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