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POjQuery Fails To Read JSON Response From PHP Script
 

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    <p>In my form, I want to do something with two fields:</p> <p>"website_domain" and "website_ip_address"</p> <p>I'm trying to use jQuery/JSON to call a PHP script, pass the website_domain to it, and receive JSON including the IP address of that website. </p> <h2>Problem/Symptoms Description:</h2> <p>It's partially working: On blur, it GETs the url of the PHP script. I can see that much in firebug. I get a 200 OK. Output from the PHP script is valid JSON according to JSONLint:</p> <p>{"field":"website_ip_address","value":"74.125.225.70"}</p> <p>But in Firebug, I don't have a JSON tab. I only have Params and Headers tabs. Not even a Response tab.</p> <p>Needless to say, the website_ip_address field is also not being populated with the data I should be getting from the PHP script's JSON output.</p> <h2>My PHP Script:</h2> <p>It may be important to note that for now, this PHP script on a different domain from my application. Maybe my whole problem is cross-domain?</p> <pre><code>&lt;?php $domain = $_GET["domain_name"]; $ip = gethostbyname($domain); // echo $ip; $json = array( 'field' =&gt; 'website_ip_address', 'value' =&gt; $ip, ); header('Content-Type: text/plain'); echo json_encode($json ); ?&gt; </code></pre> <h2>My jQuery/JSON script:</h2> <p>Note this is written inside a Ruby On Rails application view.</p> <pre><code>:javascript $("#website_domain").bind("blur", function(e){ $.getJSON("http://exampledomain.com/temp_getIP.php?domain_name=" +$("#website_domain").val(), function(data){ $('#website_ip_address').val(data); }); }); </code></pre> <p>I really hope this isn't just a syntax error on my part. I've been writing/rewriting this for 2 days, based on answers I've found on StackOverflow, to no avail. I'm just missing something here.</p>
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