$ .post和AJAX不能在服务器上运行，但在localhost中工作正常

Question

I just moved my website on server and got socked by the result, $.post() and AJAX is not working on server.

$.post() is always returning blank data. You can check in below one sample of $.post() in this case, when im alert(info) it shows Array() :

$(document).ready(function () {
    $("#faq").submit(function () {
        var data = $(this).serializeArray();
        $.post("worker.php", data, function (info) {
            $(".faq_status").fadeOut();
            $(".faq_body").prepend(info);
        });
        return false;
    });
});

The same thing is happening with all the $.post() & AJAX code. I don't know what to do.

Here is my worker.php progress:

$question = addslashes(htmlentities($_POST['user_question']));
$uip = $_SERVER['REMOTE_ADDR'];

if ($question == "") {
    echo "<p class='alert alert-danger faq_status'>Problem in posting your query. Please resubmit it.</p>";
    exit;
}

$day = date('d');
$month = date('m');
$year = date('Y');

$sql = "SELECT no FROM user_faq WHERE user_ip = '$uip' AND EXTRACT(MONTH FROM asked_time) = $month AND EXTRACT(DAY FROM asked_time) = $day AND EXTRACT(YEAR FROM asked_time) = $year";

$record = $conn->query($sql);

if ($record->rowCount() >= 2) {
    echo "<p class='alert alert-danger faq_status'>Problem in posting your query. please resubmit it.</p>";
} else {
    $sql = "INSERT INTO `user_faq`(`no`, `question`, `user_ip`,`asked_date`) VALUES (NULL,:que,:ip,Now())";

    $query = $conn->prepare($sql);
    $query->bindValue(":que", $question, PDO::PARAM_STR);
    $query->bindValue(":ip", $uip, PDO::PARAM_STR);

    try {
        $query->execute();
        echo "<p class='alert alert-success faq_status'>We have receive your question, answer will be posted here soon!</p>";
    } catch (Exception $e) {
        echo "<p class='alert alert-danger faq_status'>Problem in posting your query. please resubmit it.</p>";
    }
}

Answer 1

Your post is working and returning this response on submit.

<p class='alert alert-danger faq_status'>Problem in posting your query. please resubmit it.</p>

Add Firebug extension to Firefox to easily debug your javascript.

Answer 2

It is possible that some configuration or error reporting on your localhost supresses or ignores warnings which doesn't on your server. The most effective way would be :

1.Check for any javascript errors in your console related to your code.

2.Echo something in your code at possible lines and debug to find where your script breaks.

3.If you find the breakpoint, turn ON error reporting and check if there are any warnings/errors