Pass javascript variable to .php file [duplicate]

Question

I have two file one charts.js and the other getdata.php. The charts.js file has a variable campaignId (this is an number) which I need to pass to my getdata.php file where I want to put campaignId in a MySQL query. The issue is that the value is not getting passed to the php file. how do I resolve this issue. Thanks

I am running all my code locally. Using MAMP. All my code files are in one folder and the path is given to MAMP.

In the charts.js file this is what I am writing.

function  category(camp_id){   
        camp = camp_id;   
        $.ajax({   
        type: "POST",   
        url: "http://localhost:8888/getdata8.php",   
        data: camp,   
        error:function() {   
                alert("sorry")   
        },   
       success: function(result) {   
           alert(result);   
       }   
    });   
}

In my PhP I am doing:

$id= $_POST['camp'];

Blender · Accepted Answer · 2013-04-30 20:35:30Z

1

Pass an object to data:

data: {
    camp: camp_id
}

answered Apr 30, 2013 at 20:35

Blender

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4 Comments

cryp Over a year ago

Thanks but still doesn't work. What all could be the issue ?

Blender Over a year ago

@AshishAgrawal: What does $_POST look like?

cryp Over a year ago

could it be the success function. Is there anything that needs to be added in it ?

cryp Over a year ago

$_POST: give me nothing. Not even null

Midnightly Coder · Accepted Answer · 2013-04-30 20:37:01Z

1

You may not be declaring/setting camp correctly, it should be something like the below:

var camp = "camp=" + camp_id;

answered Apr 30, 2013 at 20:37

Midnightly Coder

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1 Comment

cryp Over a year ago

even that doesnt work. So this php script takes in a value and the result is passed a json object to highcharts. this charts.js file is used in making those charts. When I add my code (the one above) my charts dont get rendered at all.

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