我的錯誤信息mysqli_query()預計參數1是mysqli的,在
空給出警告:mysqli_query()預計參數1是mysqli的,空在/ home/orikina /的public_html/peacce給出 /上線的PHP/peacce.sys.php 30
警告:mysqli_num_rows()預計參數1被mysqli_result, 空在/home/orikina/public_html/peacce/php/peacce.sys.php給定上 線31
我的代碼:
$usernameCheck = mysqli_query($myCon, "SELECT * FROM `users` WHERE `username` = 'username'");
if (mysqli_num_rows($usernameCheck) > 0)
{
mysqli_query($myCon, "INSERT INTO users (username, password, email)
VALUES ('$username', '$passwordReal', '$email')")
or die();
$usernameCheck = mysqli_query($myCon, "SELECT * FROM users WHERE `username` = 'username'");
if (mysqli_num_rows($usernameCheck) > 0)
{
header("location: ../register.php?data=registerSuccess");
}
else
{
header("location: ../register.php?data=registerError&&refine=3");
}
}
你在哪裏初始化'$ myCon'? – immulatin
只是發佈代碼和錯誤消息不是一個很好的問題。你嘗試過自己調試嗎?你嘗試過搜索嗎? –
@RocketHazmat是的,我有45分鐘的截止日期,我需要幫助。我真的不知道該問什麼,因爲我不知道我想要什麼。 –