Submit data to PHP, and get the result

Question

I would like to submit some data. Weather this be using a form, or onClick execute some AJAX, I'm not sure.

For example, I have this input

<input id='inpamount' type="text" name="amount" value="2.00" onkeyup="pad();validatemin();product()">

Now say if I wanted to send this data to a PHP file, using post ( i could just add a form). But then, without reloading the page (I can do this), how could I fetch a response (using AJAX).

Essentially I would like a user to be able to press a button, then to submit the inputs to a php file, and then get the output and assign it to a variable (I know how to do this, I just want to be able to get the data.

The php execute takes a few centiseconds because it comunicates with SQL. (If this matters).

I have considered using invisible forms but it didn't seem to work

If anyone could point me in the right direction, that would be great.

A simple google search would get you this- jonsuh.com/blog/jquery-ajax-call-to-php-script-with-json-return — Swastik Padhi
– Swastik Padhi, Commented Jun 27, 2015 at 23:21

eol · Accepted Answer · 2015-06-27 23:22:31Z

1

Something like this?

$(document).ready(function(e) {

       $('#inpamount').click(function() {

            var data = 'myValue=' + $(this).val();

            $.ajax({
                url: "yourscript.php",
                type: "POST",
                data: data,
                cache: false,
                success: function(scriptOutput) {
                   //handle the result
                    }
                }
            });
            return false;
        });
    });

answered Jun 27, 2015 at 23:22

eol

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2 Comments

Semger Over a year ago

Looks good man! What about session data, say if I send the request, in the php, can I refer to session data of the user who submitted it?

eol Over a year ago

Not sure if i understood you correctly, but in the script which handles your ajax request (yourscript.php in the example) you can call session_start() which as allows you to access the correspondig session data.

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