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POjQuery.post not receiving errors from php script
 

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  1. POjQuery.post not receiving errors from php script
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    <p>I know this has been asked before and I have looked at every post I could find that deals with this. I still cannot get the jQuery.post function to correctly receive the error from a php script. Here are both. <br>PHP:</p> <pre><code>&lt;?php ##CONFIGURATION # LIST EMAIL ADDRESS $toemail = "email here"; # SUBJECT (Subscribe/Remove) $subject = "Someone has contacted International Designs"; # RESULT PAGE $location = "../thank-you.php"; ## FORM VALUES ## $myname = $_REQUEST['myname']; $myemail = $_REQUEST['myemail']; $mymessage = $_REQUEST['mymessage']; if ( empty($myname) || empty($myemail) || empty($mymessage) ) { exit('{"error":"That value was invalid!"}') } else { # SENDER $email = $myname . " &lt;" . $myemail . "&gt;"; # MAIL BODY $body .= "Name: " . $myname . " \n\n"; $body .= "Email: " . $myemail . " \n\n"; $body .= "Message: " . $mymessage . " \n\n"; # add more fields here if required ## SEND MESSGAE ## mail( $toemail, $subject, $body, "From: $email" ) or die ("Mail could not be sent."); } ?&gt; </code></pre> <p>JS:</p> <pre><code>if (verify(myname, myemail, mymessage, human, hash, patt)) { $.post(myform.attr('action'), myform.serialize(), function() { $('#email-success').fadeIn(); myform[0].reset(); setTimeout("$('#email-success').fadeOut();", 5000); }, 'json') .fail(function() { alert('An error has occurred. Please try again later.') }); } </code></pre> <p>I have tried about 5 different methods already, none of which have worked. When I put 'json' as the datatype in the .post function the .fail <em>always</em> fires, no matter what's in the php script. If I leave datatype out, then .fail <em>never</em> fires under any circumstance. I have a feeling the problem is with the php commands and datatype. Any help is appreciated.</p>
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    1. COHave you checked what is the actual response of the php script? Use some tool like firebug for example.
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    2. COThanks for the tip Eggplant about Firebug. It does give insight. Help me understand, pls. If I completely remove the data string from the .post function, what kind of data is .post expecting to return from the php script? Another thing, when I try to set the header to code 400, firebug is telling me that I cannot change the header. That might be because I am not leaving the page when I submit the form, but am using the post function in jquery instead and showing divs to communicate with the user.
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    3. COStarting from the easiest: make sure you set the headers **before** any other output in the php script, this will fix the `headers can't be modified` issue. The .post handler is expecting the PHP script to return some data in the `dataType` you specify, in this case some JSON. If nothing is returned, it should not be an issue, a 200 status is returned and it's enough. But again, check with firebux what is happening under the hood. You might return a conventinoal confirmation JSON like `{"response":"ok"}` if you like.
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