我正在尝试执行我的 mysql 查询的 php,而对于我的生活,我无法弄清楚。我尝试将变量 $money_earned 用单引号括起来,但无济于事。它是一个浮子。$userdata 变量是一个字符串。运行代码时出现此错误:
Parse error: syntax error, unexpected T_STRING
这是我的mysql查询:
$query = "UPDATE `authentication` SET `money` = money + $money_earned WHERE `username` = '$userdata'";
mysql_query($query);
在这里,我将发布完整的代码,希望这将使这个问题更容易解决:
<?php
mysql_connect("blahblahblah");
mysql_select_db(blah) or die("Unable to select database");
$userdata = $_SESSION['userz'];
$secret_key = "TOPSECRET";
$user = $_GET['snuid'];
$money_earned = $_GET['currency'];
$id = $_GET['id'];
$secret = $_GET['verifier'];
$secret_check = md5($id.":".$user.":".$money_earned.":".$secret_key);
if($secret == $secret_check) {
$query = "UPDATE `authentication` SET `money` = money + $money_earned WHERE `username` = '$userdata'";
mysql_query($query);
} else {
}