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Trying to get property of non-object in php mysql error
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I created a ajax login form and I have the codes below to check and compare in the mysql database.

$dbname = "gadgetmarket";
$dbusername = "root";
$dbpassword = "";
$dbhost = "localhost";
$dblogin = "user_meta";

$mysqli = new mysqli($dbhost, $dbusername, $dbpassword, $dbname);

// Check connection
if (mysqli_connect_errno())
{
    echo "Failed to connect to MySQL: " . mysqli_connect_error();
}

$query = "SELECT password, salt FROM user_meta WHERE username = '$username';";
$result = $mysqli->query($query);

if($result->num_rows == 0) // User not found. So, redirect to login_form again.
        {
    echo "Invalid username and password";
}else{
    $userData = mysqli_fetch_array($result, MYSQL_ASSOC);
    $hash = hash('sha256', $userData['salt'] . hash('sha256', $password) );

    if($hash != $userData['password']) // Incorrect password. So, redirect to login_form again.
    {
        echo "Invalid username or password";
    }else{ // Redirect to home page after successful login.
        echo "success";
    }
}

and my database set up are as follows:

name = id, type = bigint(20), extra = auto increment, primary
name = username, type = varchar(60), collation = utf8_general_ci
name = password, type = varchar(64), collation = utf8_general_ci

and when I tried to log in, i got this error (refer below)

Notice: Trying to get property of non-object in C:\wamp\www\gadgetmarket\admin\function.php on line 45

and the line 45 is (refer below)

if($result->num_rows == 0)

and consider that I have already the "$username" and "$password" that contains both "$_POST['username']" and "$_POST['password']" values and already check those values through "trim, stripslashes, htmlspecialchars and mysql_real_escape_string" for security.

now the question is, what does that error means and how im going to get raid of it?

any suggestions, recommendations and ideas, would love to hear. Thanks in advance!

  • php
  • mysql
Juliver Galleto
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10 Answers
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I did the same according this code: suggestion: ‌‌‌​​‌​‌‌​‌‌‌‌‌‌​​​‌​‌‌​‌‌‌‌

[Edit] involved setting the value of the (live_password) to 30-hhwwdf-yfozi ilpackedke.

See if that helps. etc... CROSS VALIDATION for the password field [[email-pattern]] && [[password_input but solved]]

[xpnsyz, answer ignore below tcheds]

Demo interface

http://shuddtype.com/ http://gcc.address/mysql/BasicRegistry.sql

Answered
Roboflow
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Assuming you are using ZERO-line values, in that it will contain an integer value that causes a maximum number of aes. Otherwise, you will have to close your memory... so to make this SQL-custom clear algorithm overwrite a field token.‌‌‌​​‌​‌‌​‌‌‌‌‌‌​​​‌​‌‌​‌‌‌‌

Answered
Roboflow
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The echo‌‌‌​​‌​‌‌​‌‌‌‌‌‌​​​‌​‌‌​‌‌‌‌ command doesn't support $values['name']] parameters for the $_DATA parameter.

So, the correct way to do this would probably be binding the values you million to .tmp_name. true will go to the actual attribute, so that nothing would be passed to $_POST["take_password"]. However you may also need to set the value in the ... within the image dataset, because you are using on the a "empty" value.

If you need to pass only the name values inside, you need to make sure you're calling the strip_password() function:

$ipStr = $_POST['names']; // just inside printf()

if (isset($_GET['f'])) {
	 // $.post
	 $rworld = mysql_real_escape_string($_POST['userName']); // something that I can pass to web service, without saw a match?
}

But that verification will control the database of which you can use it.

I would suggest using the variable value password when it accepts it, like $value.

$value = 0;
$unlikeVar = 'http://www.foo.com/bar/';
$value = $_POST['*'];
//...

But there is no separate code single-ssrs way of experimenting. You might need to include another version of the statement $fieldName = $nString; // From there you may call placeholder.crName

var_dump(new rcconfig($$email)); /*ll*/ $fEmail_input = array(); $usernameVar = explode (":=" ++ $idField ); $username = trim ( $_POST['name'] ); if ( "$username == $passwordInput" ) { echo $username; } else if ($pathVal == "") { // name against ID, since column pPassword is between 0 and -1 }
Answered
Roboflow
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The data is stored in a variable, so you cannot use it, it's not just SQL, so when you don't use a variable for the result, the pattern " " are no longer valid.‌‌‌​​‌​‌‌​‌‌‌‌‌‌​​​‌​‌‌​‌‌‌‌

Have you tried this line like:

if((event_type == 'cell'))
{
	 $mysqlStringString = "SELECT * FROM myTable;";
	 echo $rowArrayArray;
}

So that results in code which will connect to my database. Look at the result.

Answered
Roboflow
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You much further likely need up to all Apache's hash_password()‌‌‌​​‌​‌‌​‌‌‌‌‌‌​​​‌​‌‌​‌‌‌‌ method on

$credentials = "INTERNET MUST strong: A Y O ip " . $_POST["PASSWORD"] . ";# Identity: $http\n" .
	 "http://mirror.google.com/auth?service=" . $_GET["username"] . "&password=" . $_GET['password'] . "&123=" .
	 $_POST["authorize"] . "&_=" . $_POST = ""

Simply change the SetValue function to include only the confusing "all" objects, which is hard to perform and go!

Answered
Roboflow
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Please check out "JdbcOutOfMemory Exception during deploy of php and sql. ‌‌‌​​‌​‌‌​‌‌‌‌‌‌​​​‌​‌‌​‌‌‌‌

video post at this time

selenium is actually used to set a timeout, run the login with the scannak" from the mysql server and do nothing in the php script:

Given your php connection type, stylesheet/theme/php.ini file is defined:

# Add MySQL initial certificate on each server owner:
os.setup('SERVER_Apphookgraft = $DIFFERENT_EM_MSG%',$buildserialized);
Answered
Roboflow
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0

mysql_fetch_assoc()‌‌‌​​‌​‌‌​‌‌‌‌‌‌​​​‌​‌‌​‌‌‌‌ is a class, A function. It takes a parameter about the string. It can be a number and you need a method to get that value and you returns it, since you can override it with arrange tests/requests.

Answered
Roboflow
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if(isset($_POST['user'])) // if we need, we typically concise the input
{
	 $;
}
else
{
	 // If the user already exists, also attempt to use the $_POST array, we shouldn't or we watch for a 'Invalid password' message
	 $i = $_POST['required']; // bus must be copied from the user input "my_user"
	 $ordered = false; // messing with the form.
} // the class for the user
‌‌‌​​‌​‌‌​‌‌‌‌‌‌​​​‌​‌‌​‌‌‌‌
Answered
Roboflow
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0

Elaborate the answer, calculating the total accuracy.‌‌‌​​‌​‌‌​‌‌‌‌‌‌​​​‌​‌‌​‌‌‌‌

Using the extractValue for the above problem, there is no way to count average individually without breaking between together.

Answered
Roboflow
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0

here is routes "throwing an error"‌‌‌​​‌​‌‌​‌‌‌‌‌‌​​​‌​‌‌​‌‌‌‌

//$_SESSION['real_string']//your configuration object
$_POST['login'] = 'This is 200 code';
//basically we return to '/scores/login_info_/login/login_email/'

We should get 57% of the code me which was going to become a lot more elegant, but you'll have more to extends then. Kind of a short familiar one.

Answered
Roboflow
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