成功执行ajax POST操作后，数据库中无任何反应

Question

I've checked for duplicates and none of them are strictly related to this problem.

I have the following javascript code

var value = $.ajax({
    type: "POST",
    url: "bank.php",
    data: {sum:money},
    cache: false,
    async: true
    }).done(function() {
    console.log( "success" );
  }).fail(function() {
    console.log( "error" );
  });

and php in bank.php

if(isset($_POST['sum']))
      {
        $money = mysql_real_escape_string($_POST['sum']);
        $query = "UPDATE banks SET currency = 1 WHERE amount = '.$money.'";
        $result = mysql_query($query);
        if (!$result) {
        die('Invalid query: ' . mysql_error());
        }
        }

I receive in the browser console "success" for the ajax operation but nothing happens in the database. Take note that "currency" is a tinyint(1) and amount is an int(10) [I'm using sql tables as you might have guessed]. What am I doing wrong? (bank.php also includes the header to link to my database, so that's not the problem because I tested others queries there).

I believe the code isn't going through the if(isset($_POST['sum'])) validation but don't understand why. Any suggestions?

Answer 1

Try this :

$query = "UPDATE banks SET currency = 1 WHERE amount = ".$money.";

Hope this help u.