jquery return from post

i have jQuery script:

var order = 'user=lolalola';
$.post("ajax.php",{action:"run"}, order, function(data){
     alert("Data Loaded: " + data);
     $("#dd_message").html(data);
});

and php scitp:

<开发者_StackOverflow中文版;?php
echo 'php file';
print_r($_POST);
?>

Why jquery no run php script? Return full php code:

<?php
    echo 'php file';
    print_r($_POST);
    ?>

---

What is order param? Callback should go as third parameter: look at documentation. Unless order is the name of function defined elsewhere.

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you have an extra parameter there. You should be getting a JS error on the browser. try this:

var order = 'user=lolalola';
$.post("ajax.php",{action:"run", user:"lolalola"}, function(data){
     alert("Data Loaded: " + data);
     $("#dd_message").html(data);
});

---

All the POST fields should be in 1 parameter.

var order = 'user=lolalola';
$.post("ajax.php",'action=run&'+order, function(data){
     alert("Data Loaded: " + data);
     $("#dd_message").html(data);
});