我环顾四周找不到可以帮助我的答案，也看不到任何明显的问题。我一直收到这个错误：
解析错误：语法错误，C:... 中意外的“echo”（T_ECHO）在第 12 行
<?php
include 'dbh.php';
$uid = $_POST['uid'];
$pwd = $_POST['pwd'];
$sql = "SELECT * FROM user WHERE uid='$uid' AND pwd='$pwd'";
$result = mysqli_query($conn, $sql);
if (!$row = mysqli_fetch_assoc($result) {
echo "Your username or password is incorrect!";
} else {
echo "You are logged in!";
}
任何帮助表示赞赏！
您的if()语句中缺少括号：
<?php
include 'dbh.php';
$uid = $_POST['uid'];
$pwd = $_POST['pwd'];
$sql = "SELECT * FROM user WHERE uid='$uid' AND pwd='$pwd'";
$result = mysqli_query($conn, $sql);
if (!$row = mysqli_fetch_assoc($result)) {
echo "Your username or password is incorrect!";
} else {
echo "You are logged in!";
}
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我来说两句