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    <p>You can research into each of these individual components:</p> <p>1) App make a HTTP POST request to web service with a callback delegate method (ASIHttpRequest or AFNetworking)</p> <p>2) Server receives request, parses it, then constructs a JSON response and return it back to the app automagically (use a web framework)</p> <p>3) In your app's delegate callback method, you will parse the JSON data as a NSDictionary. You extract the JSON key-values using [yourDictionary valueForKey:@"name"];, [yourDictionary valueForKey:@"age"], [yourDictionary valueForKey:@"gender"], [yourDictionary valueForKey:@"email"] etc.</p> <p>Then your app can either show the parsed data on the screen or do other things with it.</p> <h2>EDIT</h2> <p>Since you're using PHP as the web service language, I recommend using Symfony 2 web framework.</p> <p>You'll write something like</p> <pre><code>// get request $inputName = $_REQUEST['name']; // ORM $em = $this-&gt;getDoctrine()-&gt;getManager(); // find email based on name $member = $em-&gt;getRepository('MyWebAppWebServiceBundle:Member')-&gt;findOneByName($inputName); ... // construct JSON array $json = array( 'id' =&gt; $member-&gt;getId(), 'name' =&gt; $member-&gt;getName(), 'email' =&gt; $member-&gt;getEmail() ); // send the response back to the user as JSON data $response = new Response(json_encode($json)); $response-&gt;headers-&gt;set('Content-Type', 'application/json'); return $response; </code></pre> <p>Alternatively, if you want scalable applications, you can use Node.js (server side Javascript)</p>
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    1. POhow to send message from a php web service to a specified ios device
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    1. COThank you for your response. I have done step 1, and 3. In step 2, I use "sendResponse(200, json_encode($result));" to response to client, but i wonder if it reponse to the exact the client that sent request to
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    2. COThanks for your code. You use $response = new Response(json_encode($json)); $response->headers->set('Content-Type', 'application/json'); return $response; But I cann't see where in the code, you specify the address of the recipent?
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    3. COWhy don't you try sending a request on your simulator and see if you get a response from your phone? I don't think a request will randomly send to someone else unless you told it to.
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